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Malnutrition Scenario among School Children in Eastern-India-an Epidemiological Study
ISSN: 2161-1165
Epidemiology: Open Access

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  • Research Article   
  • Epidemiology (Sunnyvale) 2016, Vol 6(2): 228
  • DOI: 10.4172/2161-1165.1000228

Malnutrition Scenario among School Children in Eastern-India-an Epidemiological Study

Debottam Pal1, Suman Kanungo1, Baishali Bal1, Kalyan Bhowmik1, Tanmay Mahapatra1 and Kamalesh Sarkar1,2*
1National Institute of Cholera and Enteric Diseases, Kolkata, India
2National Nutrition Monitoring Bureau, West Bengal Unit, Kolkata, India
*Corresponding Author: Kamalesh Sarkar, Scientist F, National Institute of Cholera & Enteric Diseases and Officer-in-Charge, National Nutrition Monitoring Bureau, West Bengal Unit, P-33, CIT Road, Scheme - XM, Beliaghata, India, Tel: +91-33-23631222, Email:

Received: 19-Feb-2016 / Accepted Date: 03-Mar-2016 / Published Date: 10-Mar-2016 DOI: 10.4172/2161-1165.1000228


Background: Twenty years after the implementation (1995) of the mid-day-meal program to improve nutritional status and academic efficiency among school-children, under-nutrition remained a major concern in India. Efforts to quantify the problem and identify its determinants were handful, especially in the eastern part of the country. Thus the purpose of this study was to determine the burden and predictors of under-nutrition among primary and upper-primary school-children in eastern India.

Methods: Using stratified cluster random sampling with proportional recruitment, a multistage cross-sectional study was conducted involving all twenty educational districts of West Bengal, a highly populous state in eastern India. During 2014-15, using structured questionnaire, standard anthropometry and laboratory testing a representative sample of 24,108 primary and upper-primary students from the whole state of West Bengal were interviewed and assessed. Descriptive and regression analyses were conducted using SAS-9.4.

Results: Among 24,108 recruited students aged between six and thirteen years, prevalence of under-nutrition was alarmingly high (about twenty-three percent). Furthermore, over half of the students (fifty-four percent) were at-risk of developing malnutrition. On the other hand, only seventeen percent students had ideal nutritional status. Odds of being malnourished were higher among male students (compared to females), those belonging to younger age (studying in primary compared to upper-primary classes), Muslim religion (with reference to Hindus), and under-privileged caste (in comparison with general caste) as well as those residing in rural areas (as opposed to urban). Parental education was negatively associated with the likelihood of under-nutrition. Those who had more than three siblings, unemployed father and students whose mother died were more likely to be under-nourished.

Conclusions: Prevalence of under-nutrition was high among school-children in the study area. School-based interventions targeting high-risk, under-privileged children, especially in rural areas with lower parental education and poor level of sanitary practices seemed to be urgently required.

Keywords: Adolescent nutrition; Child nutrition, Malnutrition; Nutritional epidemiology; Indian children; Determinants of malnutrition


Brain development of a child starts in mother’s womb and continues throughout infancy and up to the age of 2 year, whereas its growth continues beyond that period. Appropriate intake of macro and micronutrients during intra-uterine life as well as first few years following birth are crucial for brain and other organ development [1]. Undernutrition during this period can slow down the physical and mental development of the child and consequences are usually lifelong [2,3].

Poor socio-economic conditions in developing and underdeveloped countries often result in under-nutrition since intrauterine life till early childhood and attempts must be made to ensure their appropriate nutrition during school-age. Under-nutrition and infections like diarrhoea, respiratory infections, malaria, TB etc. are inter-dependent and parts of a vicious cycle [4-6].

On the other hand, chronic infections make children undernourished [5,7]. Prolonged under-nutrition has detrimental effects on all organ-systems including gut, reducing its capacity to maintain homeostasis during under-nutrition and may result into life threatening conditions [8-11].

Dietary requirement of essential nutrients varies with age, gender, physiological status and physical activity [12]. Globally, millions of school-going children suffer from under-nutrition [13]. In India, National Family Health Survey-3 (NFHS-3) estimated that in 2006, 24% under-5 years-aged children were severely malnourished (<3 standard deviation of the reference value suggested by the Indian Academy of Paediatrics) according to the height-for-age scale and 16% according to the weight-for-age values.

Free and compulsory education till the age of 14 year is constitutional right, and institutional commitment in India. Despite these measures, about 40% children drop out during their primary schooling [14].

Low enrolment and higher school dropout rates are attributed to poor socio-economic conditions, thus engaging in child labour; migration of family, helping the family in domestic work and lack of educational motivation compounded by poor nutritional status [14,15]. The scenario worsens further due to superimposition of under-nutrition, anemia and infections among these educationally depleted children. Unfortunately, a sizable portion of Indian children suffer from low food intake induced under-nutrition potentially resulting from poverty, ignorance etc. [16,17].

Preventable infections are also common in India. All these factors undoubtedly hamper their attendance and scholastic performance in school. Nutritional support through school meal program during primary education serves the dual purpose of partial correction of nutritional inadequacies along with reduction in school drop-out rate.

Government-sponsored Cooked Mid-Day Meal Program was rolled-out in 1995 to address the issues of universal coverage of primary education through increased enrolment, improving school attendance, retention and promoting health and nutrition among school children.Affecting 16% population, under-nutrition among primary school children is one of the major public health concerns currently in India.

Studies addressing under-nutrition were mostly restricted to under-5 populations [18-22], whereas very few studies addressed school-going children to assess the magnitude of the problem, role of the mid-day meal programs and factors attributable for undernutrition [23-27]. Hence, a cross-sectional study was conducted among children receiving school meal program (6-13 yrs.) in West Bengal, a highly populous state in eastern India, to understand the malnutrition scenario with special reference to under-nutrition.

Participants and Methods

Research design

A district-wise school-based cross-sectional survey was conducted in each of the 20 educational districts of West Bengal state, using a structured questionnaire. Primary and upper-primary school children (6-13 years) were interviewed followed by anthropometric measurement and hemoglobin estimation to determine the prevalence of under-nutrition and identify its predictors.


A multistage cluster sampling technique was employed for this study. In the first stage of sampling, required number of blocks was selected in each district. In the second stage, within each block, one primary and one upper primary schools were randomly selected from the block-wise exhaustive list of schools.

Owing to the possibility that socio-demographic variations were likely to be less among the students in each school compared to the between school variation, it was decided to do clustering at the school level. Thus using schools as the clusters, individual students were then recruited from each selected school through stratified random sampling from age and gender strata-wise list of students in each selected school.

As number of schools in the school-districts was planned in a manner so that each school could cater almost equal number of students, we decided to keep the number of selected students to be fixed for each district. The sample size for each district was calculated based on the formula n = (Z) 2p (1-p)/ε2. The appropriate parameter values for the expected proportion of malnourished children (p) was not available from the study area hence it was assumed to be 0.4 based on the national level [16] estimate along with a desired precision (ε) of 4% or 0.04 and α of 0.05.

An empirical design effect of 2 was considered to adjust for the possibility of variance inflation due to higher inter-cluster (school) and lower intra-cluster variation. Thus 1152 (rounded off to 1200) subjects were required to be evaluated for each district.

Considering average availability of 40 children at each of the primary and upper primary schools, a total of 30 schools (1200/40), [15] primary (grade I to IV: 6-9 years) and 15 upper primary (grade V to VIII: 10-13 years)] were to be selected randomly in each district.

In districts having more than 15 blocks, 15 blocks were selected randomly and in district with 15 blocks all blocks were selected followed by selection of one primary and one upper-primary schools from each selected block. In districts with lesser number of blocks, one school of each type were selected from each block and additional schools were selected from bigger blocks using proportional sampling till selection of 15 primary and 15 upper-primary schools were complete.

Five boys and five girls were randomly selected next in each school from all boys and girls respectively in each grade (I to IV: 6-9 years in primary and V to VIII: 10-13 years in upper primary) thus making it 40 selected students/selected schools.

To have proportionate distribution intact, these schools were selected in a manner (65% rural and 35% urban schools approximately wherever possible) so that the resultant sample was likely to culminate into an appropriate representation of the school-children of West Bengal. Altogether 24,108 students were thus recruited from 20 districts according to this sampling design and strategy.

Ethics Statement

The study protocol was reviewed and approved (No.: A-1/2014-IEC Dated 17.05.14) by the Institutional Ethics Committee of the National Institute of Cholera and Enteric Diseases (NICED), Kolkata.

Data collection

Children along with their teachers and guardians were interviewed after collecting their informed consent, using a field-tested, internally validated, semi-structured questionnaire, prepared by an expert group for collection of socio-demographic (including current grade, sex, type of house, caste, religion, family size, major occupation of father and mother, etc.) and other relevant information related to undernutrition.

All relevant information was collected by teams of trained field workers consisting of nutritionist/social workers/field workers and field attendants. Anthropometric measurements such as height and weight were conducted (following Indian Academy of Paediatrics guideline) using anthropometric rods and digital weighing machines with high accuracy.

Instruments were standardized before data collection and once in a week during the study, using standard operating procedures (as per the guidelines of National Nutrition Monitoring Bureau, Indian Council of Medical Research).

Survey form completeness was checked on the same day of fieldwork and sent back to National Institute of Cholera and Enteric Diseases (NICED) periodically once a week for entry.

Bio-chemical investigations included blood test for hemoglobin measurement. Hemo-Cue Hemoglobin Analyser (HemoCue Hb 301) was used to determine haemoglobin level in the blood sample collected.

A subsample (grade I and V) of participating subjects were assessed for haemoglobin through pricking of the fingertips using sterile needles [28].

Entire field work was carried out between October -2014 and December 2014.

Nutritional assessment outcomes

Nutritional Assessment was done using guidelines of Indian Academy of Paediatrics (IAP) with their reference values for Height and Weight of 5-18 year Indian Boys and Girls [29].

Under-nutrition was considered as having either weight or height or both less than third percentiles in respect to his or her age and sex as guided by IAP.

Exclusive stunting was considered as having only less than 3rd percentile for height for age and sex similarly exclusive under-weight as less than 3rd percentile for weight for age and sex only.

Anemia is considered as having blood Hemoglobin (Hb) level of less than 11gm%. In view of cost-constraint, hemoglobin estimation was restricted and conducted only for students of grade-I (as representative of primary students) and grade-V standard students (as representative of upper-primary students) of all districts.

Because of high altitude, value of <13gm% was considered as Anemia and <11gm% as moderate anemia for students residing at Darjeeling district (a district with hilly terrains). Children at high risk of malnutrition were identified as those having either height or weight or both measure between 3rd to <10th percentile.

Low risk was considered for children having either height or weight or both measures between 10th to 25th percentiles. Ideal nutritional status was considered for children with both height and weight between 25th to 75th percentiles as per IAP reference population.

Statistical methods

Descriptive analyses of the collected data were conducted to determine the distribution (magnitude of problem is expressed in percentages) of the socio-demographic factors, anthropometric parameters, hygienic practices, clinical history and burden of undernutrition as well as distribution of the factors across the nutritional strata.

To determine the association of these factors with under-nutrition, binary log it models were fitted to the data.

Model fit statistics were checked using Hosmer and Lemeshow goodness of fit test.

Variables considered in the final logit model were the common predictors found in literature search from previous studies done in India.

All variables considered in the final model were found to be significant predictors of under-nutrition in bivariate analysis. No transformations of the variables were done. Analysis of data was done using SASv9.4, Cary, NC: SAS Institute Inc.


Malnutrition among students

Prevalence of under-nutrition in our study sample was 22.8% (95%CI=22.3-23.4) combining primary (grade I to IV) and upperprimary (grade V to VIII) students as shown in Table 1. Over-nutrition (over-weight & obesity) was observed to be 3% among the studied subjects (grade I to VIII) and mostly prevalent in Kolkata.

Under-nutrition and types Primary Upper-Primary Overall
n Percentage (95%CI) n Percentage (95%CI) n Percentage (95%CI)
Under-nutrition 3134 26.1% (25.3, 26.9) 2368 19.6% (18.9, 20.3) 5502 22.8% (22.3, 23.4)
Exclusive Stunting1 828 6.9% (6.4, 7.3) 685 5.7% (5.3, 6.1) 1513 6.3% (6.0, 6.6)
Exclusive Under-weight2 775 6.4% (6.0, 6.9) 560 4.6% (4.3, 5.0) 1335 5.5% (5.2, 5.8)
Both stunting and under-weight 1531 12.8% (12.1, 13.3) 1123 9.3% (8.8, 9.8) 2654 11% (10.6, 11.4)

Table 1: Under-weight and stunting in Primary [N=12020] and Upper-Primary Students [N=12091]. 1 Children <3rd percentile for height only (excluding those who were <3rd percentile for weight also. 2 Children <3rd percentile for weight only excluding those who were less than 3rd percentile for height also.

Among primary students the burden was 26.1% (25.3-26.9) and among upper-primary students it was 19.6% (18.9-20.3).

Anthropometrically, exclusive under-weight was present among 5.5% (5.2-5.8) subjects, exclusive stunting among 6.3% (6.0-6.6) and both were present in 11% (10.6-11.4).

Among primary students 6.4% (6.0-6.9) were exclusively under-weight, 6.9% (6.4-7.3) were exclusively stunted and 12.7% (12.1-13.3) had both.

Among upper-primary students 4.6% (4.3, 5.0) were found to be exclusively under-weight, 5.7% (5.3-6.1) had exclusively stunting and 9.3% (8.8-9.8) had both (Table 1).

Grade-wise prevalence of under-nutrition varied between 17.7% to 31.7% with highest and lowest burden being observed among student of grade VIII and II respectively (Figure 1).


Figure 1: Grade-wise prevalence of malnutrition and its trend in primary and upper-primary school children (6-13 years) in West Bengal.

Figure 2 shows district-wise prevalence of under-nutrition and at high risk children among primary students that ranged from 10% to 38% for under-nutrition and 18% to 35% for at high risk.


Figure 2: District-wise prevalence of under-nutrition (bottom) & At High Risk (top) in primary section (N=12020).

Figure 3 shows district-wise prevalence of anemia among the studied subjects indicating 3 districts had an alarmingly high prevalence of anemia of >40% in primary students.


Figure 3: District-wise prevalence of anemia in primary (N=12020) & upper-primary students (N=12091).

Demographic characteristics of the individuals

Demographic characteristics of the study subjects are presented in Table 2.

Variables Categories Overall [N (Column %)]  Under-nutrition [N (Row %)]
Yes No P-Value
Place of residence
  Rural 16593 (68.8) 4184 (25.2) 12409 (74.8) <0.0001
Urban 7515 (31.2) 1318 (17.5) 6197 (82.5)
Type of School
  Primary 12018 (49.9) 3134 (26.08) 8884 (73.92) <0.0001
Upper Primary 12090 (50.1) 2368 (19.59) 9722 (80.41)
  Male 12050 (50.0) 2965 (24.6) 9085 (75.4) <0.0001
Female 12058 (50.0) 2537 (21.0) 9521 (79.0)
    Hindu 16216 (67.3) 3461 (21.0) 12755 (78.7)   <0.0001
Muslim 7387 (30.6) 1942 (26.3) 5445 (73.7)
Other 505 (2.1) 99 (19.6) 406 (80.4)
    Scheduled Tribe 1827 (7.6) 495 (27.1) 1332 (72.9) 0.166
Scheduled Caste 6544 (27.1) 1563 (23.9) 4981 (76.1)
Other Backward castes 2693 (11.2) 597 (22.2) 2096 (77.8)
General 10301 (42.7) 2003 (19.4) 8298 (80.6)
    None 2345 (9.7) 284 (12.1) 2061 (87.9) <0.0001
Having 1 or 2 siblings 16615 (68.9) 3792 (22.8) 12823 (77.2)
Having ≥3 siblings 5148 (21.4) 1426 (27.7) 3722 (72.3)
Fathers occupation
    Unemployed 143 (0.6) 43 (30.1) 100 (69.9) 0.3769
Unskilled 13650 (56.6) 3551 (26.1) 10099 (73.9)
Self-employed 5949 (24.7) 1196 (20.1) 4753 (79.9)
Skilled 3407 (14.1) 498 (14.6) 2909 (85.4)
Fathers literacy
    Illiterate 2328 (9.7) 676 (29.0) 1652 (71.0) 0.0001
Primary or Secondary Education 11414 (47.3) 2470 (21.6) 8944 (78.4)
Graduation and above 868 (3.6) 63 (7.3) 805 (92.7)
Mothers presence
  Alive 23864 (99.0) 5432 (22.8) 18432 (77.2) 0.0282
Not alive 244 (1.0) 70 (28.7) 174 (71.3)
Mothers literacy
    Illiterate 3543 (14.7) 961 (27.1) 2582 (72.9) <0.0001
Primary or Secondary Education 11125 (46.1) 2291 (20.6) 8834 (79.4)
Graduation and above 450 (1.9) 20 (4.4) 430 (95.6)
Hand washing habit before taking food
    Always 11223 (46.6) 2019 (18.0) 9204 (82.0) <0.0001
Sometimes 3706 (15.4) 785 (21.2) 2921 (78.8)
Never 9179 (38.1) 2698 (29.4) 6481 (70.6)
Use of Latrine
    Open Air 6217 (25.8) 1968 (31.7) 4249 (68.3) <0.0001
Dug Well 6805 (28.2) 1633 (24.0) 5172 (76.0)
Sanitary Latrine 10992 (45.6) 1874 (17.1) 9118 (82.9)
Other Places 94 (0.4) 27 (28.7) 67 (71.3)
History of passing of worms (past 6 months)
  Yes 7716 (32.0) 2061 (26.7) 5655 (73.3) <0.0001
No 16392 (68.0) 3441 (21.0) 12951 (79.0)
Episode of Diarrhea (Past year)
  Yes 10936 (45.4) 2670 (24.4) 8266 (75.6) <0.0001
No 13172 (54.6) 2832 (21.5) 10340 (78.5)
Received Iron and Folic Acid tablets in School (past 6 months)
  Yes 8343 (34.6) 1686 (20.2) 6657 (79.8) <0.0001
No 157 (65.4) 3816 (24.2) 11949 (75.8)

Table 2: Distribution of the participating school students and their under-nutrition status across the strata of socio-demographic factors in West Bengal, India (N=24108). *Column percentages for the individual categories (in overall distribution) may not sum up to 100% (Total frequency) due to non-response.

Sixty-nine percent of the studied subjects were residents of rural West Bengal.

Sixty-seven percent of the respondents belonged to Hindu families and 30% were Muslims by religion.

Caste-wise, 27% subjects belonged to Scheduled caste (SC), 7% to Scheduled Tribe (ST) and 11% were from other Under-privileged class (OBC).

Family characteristics

About 10% of the participating children had no sibling while 21% had 3 or more.

About 57% of the fathers were unskilled workers, while less than 1% were unemployed at the time of survey.

About 10% fathers and 15% mothers were illiterate, while only 4% and 2% of the fathers & mothers were graduate or above respectively.

Among participants, 1% had lost their mother, 38% never washed their hand before eating, 25% reported that they defecate in open air, 32% had history of passing worms during last six months, 45% suffered from diarrheal episodes during last year.

Determinants of under-nutrition

Considerably high proportion of students was found to be at high risk of being under-nourished. Grade-specific prevalence of students at high risk of being under-nourished varied between 24.1% (grade VIII) and 29.8% (grade III). It was observed an overall prevalence of anemia of 23.7% among students of grade I and V combined. The prevalence of under- nutrition across socio-demographic strata is shown in Table 2. Rural students were more malnourished than their urban counterpart (25% vs. 17.5%). Alarming level of under-nutrition prevalence (=40%) was observed among rural primary students of three Under-privileged school-districts: Darjeeling (plain), Purulia and Jalpaiguri.

Boys had relatively higher prevalence of under-nutrition (25%) compared to the girls. The proportion of malnourishment was also found higher among Muslims (26%) and under-privileged castes (27%, 24% and 22% respectively among ST, SC and OBC) as well as among subjects having three or more siblings (27%), unemployed father (30%), illiterate mother (27%) or father (29%) and those who had lost their mother (29%).

Table 3 shows the results of the bivariate analysis and multiple logistic regression model. While the bivariate analyses presented the odds ratios [OR (corresponding 95%CI)] for each independent predictor, the multiple logistic regression model was prepared to determine adjusted odds ratios [AOR (corresponding 95%CI)] by incorporating multiple predictors in a more complex model. The multiple logistic regression model fitted well having a p-value of 0.3985. The analysis revealed that boys had 25% higher odds of being malnourished than girls [AOR=1.25(1.17-1.33)]. Students from Muslim families had 25% higher odds [AOR=1.25(1.16-1.35)] of being malnourished compared to students from Hindu families. Children who had 3 or more siblings [AOR=1.85(1.59-2.14)] or those who had 1or 2 siblings [AOR=1.64(1.43-1.87)] when compared to those with no sibling, had 85% and 64% higher odds of becoming malnourished respectively. Those living in rural areas had 14% [AOR=1.14(1.06-1.23)] higher odds of being malnourished compared to those residing in urban conglomeration.

Co-variates Categories  Under-nourished vs Not under-nourished
OR(95%CI) P value Adjusted OR(95%CI)1 P value
Gender (Ref: Girls) Boys 1.23(1.15-1.30) <0.0001 1.25(1.17-1.33) <0.0001
Education (Ref: Upper-primary) Primary 1.45(1.36-1.54) <0.0001 1.20(1.10-1.31) <0.0001
Religion (Ref: Hindu) Muslim 1.31(1.23-1.40) <0.0001 1.25(1.16-1.35) <0.0001
Caste (Ref: General) Under-privileged caste (including ST, SC, OBC) 1.31(1.23-1.40) <0.0001 1.25(1.16-1.35) <0.0001
Place of residence (Ref: Urban) Rural 1.59(1.47-1.70) <0.0001 1.14(1.06-1.23) 0.0007
Siblings (Ref No Sibling) Having 1 or 2 siblings 2.15(1.88-2.44) <0.0001 1.64(1.43-1.87) <0.0001
Having 3 or more siblings 2.78(2.42-3.19) <0.0001 1.85(1.59-2.14) <0.0001
Mothers presence (Ref: Alive) Not Alive 1.37(1.03-1.80) 0.0288 1.40(1.04-1.88) 0.0245
Mothers literacy (Ref: Illiterate) Primary or Secondary Education 0.70(0.64-0.76) <0.0001 0.98(0.88-1.08) 0.669
Graduate and above 0.13(0.08-0.20) <0.0001 0.39(0.25-0.63) 0.0001
Fathers literacy (Ref: Illiterate) Primary or Secondary Education 0.68(0.61-0.75) <0.0001 0.87(0.78-0.98) 0.0163
Fathers Employment (Ref: Skilled or higher) Graduate and above 0.19(0.15-0.25) <0.0001 0.52(0.39-0.70) <0.0001
Unemployed 2.51(1.73-3.64) <0.0001 1.68(1.14-2.46) 0.0081
Unskilled 2.05(1.85-2.28) <0.0001 1.42(1.27-1.58) <0.0001
Self-employed 1.47(1.31-1.65) <0.0001 1.25(1.11-1.40) 0.0003
Episode of Diarrhea during past year (Ref: None) Yes 1.18(1.11-1.25) <0.0001 1.05(0.98-1.12) 0.1184
Episode of worm with stool during past year (Ref: None) Yes 1.37(1.28-1.46) <0.0001 1.23(1.15-1.32) <0.0001
Iron tablets from School (Ref: Received) Not Received 1.26(1.18-1.35) <0.0001 1.05(0.96-1.15) 0.3255
Use of latrine (Ref: Sanitary) Dug Well 1.54(1.42-1.65) <0.0001 1.49(1.36-1.62) <0.0001
Open Air Defecations 2.25(2.09-2.42) <0.0001 1.36(0.86-2.15) 0.1851
Other Places 1.96(1.25-3.07) 0.0033 1.22(1.12-1.31) <0.0001
Hand cleaning habit after defecation (Ref: Always)  Never 1.90(1.77-2.03) <0.0001 1.35(1.25-1.45) <0.0001
Sometimes 1.23(1.11-1.34) <0.0001 1.13(1.03-1.24) 0.0123

Table 3: Association of socio-demographic variables with under-nutrition among school children in West Bengal, India (N=24108).1Adjusted for other variables in the table. Bold faced figures indicate statistically significant results assuming α=0.05

With father being graduate (with reference to illiterate fathers), odds of being malnourished decreased by 48% [AOR=0.52(0.39-0.70)]. Children whose father was unemployed had 68% higher odds of being malnourished compared to children whose father was skilled worker [AOR=1.68(1.14-2.46)].

Mother’s literacy had a strong impact on nutritional status of children. Participants whose mother was graduate had 61% lower odds of being malnourished as compared to students whose mother was illiterate [AOR=0.39(0.25-0.63)]. Students whose mothers were not alive had 1.40 times [AOR=1.40(1.04-1.88)] odds of being malnourished compared to those who had their mothers alive. Analysis revealed that participants who practiced open air defecation had 1.49 times [AOR=1.49(1.36-1.62)] odds of undernourishment when compared to those using sanitary latrine. Those who did not clean their hands with soap had 35% higher odds of being malnourished [AOR=1.35(1.25-1.45)].


Numerous studies were conducted in India to understand the problem of under-nutrition among under-five children but similar studies were rarely undertaken among school going children. This study estimated the burden of undernutrition among school-going children with a prevalence of 23%. Analysis revealed that younger (primary) school-students were more vulnerable to be under-nourished as opposed to the relatively older ones (upper-primary students) while rural students were more vulnerable than their urban counterparts.

We also observed that grade-wise, under-nutrition was most prevalent among second standard students following which a declining trend was observed. In West Bengal state, Coochbehar, Burdwan, Murshidabad, Maldah, Darjeeling (plain), Jalpaiguri and Purulia were the districts with high (>30%) prevalence of under-nutrition among primary students. The situation was found to be worse in the rural areas. Similarly, anemia was highly prevalent (more than 30%) among students of South 24 Parganas, Dakshin Dinajpur, Darjeeling (Plain) and Maldah districts, with an overall state-level prevalence of 23%.

In addition to the under-nourishment, district-level prevalence of students at high risk of developing under-nutrition varied between 18-35%. On the other hand, prevalence of ideal nutritional status (within 25th to 75th percentile of IAP reference level) was observed only among 17% primary and 24% upper-primary students of West Bengal. Thus overall a chronic state of famine was documented particularly among rural school children in almost all districts of this state as large number of children were at various stages of undernutrition, which appeared to be a reflection of India’s ranking (55th) on the Global Hunger Index [30]. This necessitated clubbing the at-risk segment together with malnourished segment while developing an appropriate intervention for improving under-nutrition scenario among school-children of West Bengal.

Corroborating with prior evidences elsewhere [22,27] as well as in West Bengal [21], inferential analyses revealed that boys (reference=girls), relatively young (primary) students (reference=upper-primary),those belonging to Muslim religion (reference=Hindu) or under-privileged (including ST, SC, OBC) caste (reference=Hindu) and students living in rural areas were more likely to be under-nourished [21,22,27].

Additionally, alike others this study also found that having more siblings, mother’s death, father’s unemployment were found to be associated with higher odds of suffering from under-nutrition [21,22,27], while better education of the father and mother were found to be preventive factors. Prior research in Andhra Pradesh [20] and Ludhiana [22] in India did also reveal that father’s unemployment and other predictors of poor economic condition of the household were correlated negatively with the probability of under-nutrition among children. Protective influence of parental literacy on under-nutrition was also evidenced previously among children of this state [21].

Poor sanitation, lack of hygienic practices and recent history of worm infestation were also found to be associated with higher likelihood of developing under-nutrition among school-children. Similar observation was previously reported by other studies conducted among school-children in this state [21,24].

There were some major limitations in our study. Alike any other observational study the associations observed in this study should not be interpreted as causality and owing to the potential for nongeneralizability due to non-response, though very miniscule, any effort to extrapolate the results of the study beyond the study sample, should be done with utmost caution. Similar to any other cross-sectional study, current study suffered from temporal ambiguity, as both malnutrition and their predictors were assessed at the same time, hence we could only measure the correlations but interpretations supporting direct causal association were not possible.

Owing to this cross-sectional design we also could not measure or compare current versus past burden of under-nutrition among schoolchildren. In the cross-sectional design it was also not possible for us to determine the time of occurrence of anemia and its predisposing factors among participating school-children. We could not conduct detailed analyses using anaemia as an outcome owing to the fact that logistic and budgetary constraints did not allow us to measure haemoglobin level of all the subjects. The self-reported nature of the collected information in this study had the potential for information bias and possibilities of residual confounding due to unmeasured confounders were always a possibility.

Nutritional assessment studies needed longitudinal data to infer on causality of the determinants with considerable validity, but considering funding and budgetary constraints, this current study had to be restricted to this cross-sectional design, which was capable of generating at least some evidences. Owing to multistage sampling technique, this sample was considered to be a representative sample of school going children in West Bengal. Despite the aforementioned limitations we believe that based on its large, representative sampling, robust methodology and detailed analyses, this study could provide important evidences regarding the patterns and predictors of undernutrition among school-children of West Bengal.

From the findings of this study, it appeared that an appropriate community-based nutritional intervention is urgently needed in India, especially in the poor-resourced sectors, with the aim of improving community-level childhood nutritional status targeting the foodinsecure population. Corroborating with the findings of the NFHS-3, current study also indicated that parental literacy to be most important and modifiable predictors of under-nutrition among school-children. It is thus the onus on the pillars of the democracy in India to ensure ‘Right to education’ for every child in this country to empower the future generation with appropriate education and ideal nutrition.

Govt. of India need rise to the occasion with a national policy on growth and monitoring of adolescents and school children as there’s none at present. To achieve the goal, a comprehensive program with appropriate policy implication is needed to be complemented with a robust program management. Routine monitoring and analysis in a multi-institutional collaborative approach will help to identify and tackle the enormity of the existing problem. While longitudinal observation appeared to be the need of the hour for studying undernutrition among school-children, to develop a healthy India, these programs need to address gaps identified by this study especially among the young, under-privileged, rural resident, boys, who lost their mothers, had illiterate and unemployed parents, more siblings, suffered from diarrheal infections and worm infestation along with poor hygienic and sanitary practices.


The study explored the district-wise malnutrition scenario among primary and upper primary students in West Bengal. It is a matter of great concern that only less than one-fourth students had appropriate or ideal nutritional status and rest were in various stages of food deprivation. Strengthening of existing school meal program is needed, with emphasis on malnourished and high risk children especially in rural areas with lower parental education and poor sanitary practices. Nutritional surveillance involving above students seems to be beneficial.


This work was supported by Department of School Education, Government of West Bengal, India [KS. 114-ES (CMDMP) Misc 04/12 dated 19-2-2014].

The investigators are thankful to Chief Secretary, Govt. of West Bengal, Secretary, Dept. of School Education, and Project Director, Cooked Mid-Day Meal Program, Govt. of West Bengal, for providing financial and other logistic support. Investigators are also grateful to the spontaneous and sincere participation of the teachers and students and other officials.

Conflict of Interests

None declared.


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Citation: Pal D, Kanungo S, Bal B, Bhowmik K, Mahapatra T, et al. (2016) Malnutrition Scenario among School Children in Eastern-India-an Epidemiological Study. Epidemiology (Sunnyvale) 6:228. Doi: 10.4172/2161-1165.1000228

Copyright: © 2016 Sarkar K, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Review summary

  1. Sully Dickman
    Posted on Oct 03 2016 at 4:52 pm
    This is an interesting and well-designed study, especially with regard to sampling methods. The study has been well conducted and supported by a robust statistical design aimed at verifying the role of multiple variables and predisposing factors. The conclusive picture gives Local Institutions the figures needed to set up policies to improve the nutritional status of primary and upper primary students, thus leading to a healthier adult population, with obvious positive consequences for the socio-economical and educational level of the entire population.

Review summary

  1. Sully Dickman
    Posted on Oct 03 2016 at 4:52 pm
    This is an interesting and well-designed study, especially with regard to sampling methods. The study has been well conducted and supported by a robust statistical design aimed at verifying the role of multiple variables and predisposing factors. The conclusive picture gives Local Institutions the figures needed to set up policies to improve the nutritional status of primary and upper primary students, thus leading to a healthier adult population, with obvious positive consequences for the socio-economical and educational level of the entire population.

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