Variable Birth Weight P value Significant p value
(comparison groups)
Child Birth interval (years) <2500 2.575  ±  2.375   0.0375  
≥ 2500 3.144  ±  2.361      
Gestational Age(WA) <2500 34.781  ±  4.660   <0.0001  
≥ 2500 38.876  ±  2.610   <0.0001  
fundal height(cm) <2500 29.616  ±  3.977   <0.0001  
≥ 2500 31.903  ±  3.086      
Parity Primiparous 3307.615  ±  51.887 44.26% <0.0001 S P: Primiparous &       pauciparous
pauciparous 3447.728  ±  53.629 54.25% 0.013
Multiparous 3577.778  ±  02.924 1.48% 0.2301
    Pathology Anemia 3395.735  ±  76.220 54.24 0.074
AHT 3307.692  ±  08.864 36.76 0.1734 NS P: AHT& Diabetes  
Diabetes 3688.571  ±  57.880 9 0.008   S
Number of Fetus Unique 3405.143  ±  43.654 98.29 <0.001
  Multiple 2487.09  ±  620.614 1.7    
pre-pregnancy BMI >16.5 3179.684 ± 467.668 1.18 0.3705  
16.5-18.5 3297.368  ±  43.228 8.27 0.1113  
18.5-25 3381.426  ±  46.659 62.5 0.0474 P: (>16.5) &  (30-  35)
25-30 3436.657  ±  31.906 22.45 0.0154  S  
30-35 3521.605  ±  04.201 5.05 0.106  
35-40 3200.000  ±  03.563 0.49    
Weight gains kg <10 Kg 3357.59  ±  573.01 82.75 <0.001 S P: ( <10 Kg) &
(10-14 Kg)
10-14 Kg 3553.48  ±  517.61 13.48 0.0251
>14 Kg 3514.70  ±  507.63 4.26 0.6207
Weight gain Less than recommended 3351.522  ±  67.868 70.94 0.0011 S   P: Less than    Recommended
& Recommended
Recommended 3472.330  ±  43.426 20.64 0.0051
More than recommended 3502.381   ±  8.131 8.41 0.6181
LBW antecedent Yes 3297.802 ±542.623 18.99 0.0013  
No 3509.794 ± 568.880 81.00    
month prenatal care <2500 3.556 ± 1.509   0.0333  
≥ 2500 2.389  ± .525      
mother's educational status Illiterate 3475.556 ± 554.948 3.73 0.129  
Primary 3296.583 ± 596.77 16.25 0.028  S P: Primary  &    Middle
Middle 3394.309 ± 564.811 43.24 0.216  
Secondary 3428.215 ± 516.413 22.2 0.512  
University 3391.566 ± 554.062 14.56    
socioeconomic status Low 3295.031 ± 585.792 18.64 0.012 S  
Average 3409.230 ± 553.792 70.72 0.7785 P: Low &    Average
High 3396.721 ± 564.022 10.62 0.0504 NS  
S: significant
NS: not significant
P-value < 0.05 was taken as statistically significant.
Table 2: Distribution of birth weight according to maternal characteristics, pregnancy and maternal history.