Table 1

Baseline demographics and antenatal/delivery data of the birth cohort

Variable	Number	Percentage	Variable	Number	Percentage
Demographic details (n=561)			ANC/delivery details (n=497)
Religion			Median (IQR) days gestation period*	278 (269–286)
Hindu	304	54.19
Muslim	233	41.53	Gravida
Christian	24	4.28	Primiparous	196	39.44
			2	154	31
Type of family			>2	147	29.56
Joint	111	19.79
Extended	112	19.96	History of abortion	67	13.48
Nuclear	338	60.25	History of stillbirth	18	3.62
Number of household members			Median (IQR) ANC visit†	7 (6–9)
≤5	295	52.58
>5	266	47.42	Maternal haemoglobin‡
			<10 g%	66	29.60
Ownership of house			10–12 g%	128	57.40
Own house	354	63.10	>12 g%	29	13
Rented/lease/government	207	36.90
			Maternal hypertension (>120/80)§	44	17.53
Primary mode of cooking
Firewood	225	40.11	Vaccination for TT¶	244	96.06
Kerosene	124	22.10
Gas stove/other	212	37.79	Mode of delivery
			Normal	387	77.87
Socioeconomic status			Instrumental	20	4.02
Low	338	60	Cesarean	90	18.11
Middle	197	35.12
High	26	4.63	Place of birth
			Hospital	487	98
Maternal factors of study children (n=497)			Home	10	2
Mean (SD) maternal age in years	24 (3.6)		Birth weight in kg**
			<2.5	84	17.14
Maternal education			≥2.5	406	82.86
Illiterate	184	37
Primary/middle	167	33.60	BMI of mother††
High/higher secondary	129	26	≤18.5 (underweight)	60	15.46
College	17	3.40	18.6– 24.99 (normal)	184	47.42
			25–29.99 (overweight)	107	27.58
Mean (SD) height of mother (cm)‡‡	153.03 (6.4)		≥30 (Obese)	37	9.54
Consanguineous marriage§§	47	20.60	Median (IQR) duration of exclusive breast feeding in months	4.09 (2.36–5.24)