Exposure variable |
Cases
N= 338
No. (%) |
Controls
N=676
No. (%) |
Total
N=1014 |
Residency
Rural
Urban |
218 (64.5)
120 (35.5) |
427 (63.2)
249 (36.8) |
645 (63.61)
369 (36.39) |
Maternal age
<20 yrs
20-30yrs
31-40yrs
>40yrs |
41 (12.1)
204 (60.4)
86 (25.4)
7 (2.1) |
122 (18)
411 (60.8)
134 (19.8)
9 (1.3) |
163 (16.07)
615 (60.65)
220 (21.7)
16 (1.58) |
Parity
Primiparous
Multiparus |
99 (29)
239 (70.7) |
270 (39.9)
406 (60.1) |
369 (36.39)
645 (63.61) |
GA
Preterm
Term
Post term |
5 (1.5)
319 (94.4)
14 (4.1) |
16 (2.4)
649 (96)
11 (1.6) |
21 (2.07)
968 (95.46)
25 (2.47) |
Sex
Female
Male |
138 (40.8)
200 (59.2) |
313 (46.3)
363 (53.7) |
451 (44.48)
568 (55.52) |