Table 1.

Baseline Household Characteristics of the 373 Children Who Completed 3 Years of Follow-up and the 79 Who Did Not.^*

Characteristic	3 Yr of Follow-up (N = 373)		<3 Yr of Follow-up (N = 79)	P Value
		number
Religion				0.18
Hindu	176		30
Muslim	180		47
Christian	17		2
Type of family†				0.25
Joint	73		21
Extended	107		17
Nuclear	193		41
No. of household members				0.52
≤5	250		50
>5	123		29
Socioeconomic status‡				0.46
Class I	229		52
Class II	144		27
Bidi worker in household				0.46
Yes	173		33
No	200		46
Animals owned by household				0.11
Yes	53		6
No	320		73
Birth weight				0.76
Missing	8		3
<2.5 kg	43		8
≥2.5 kg	322		68
Sex of child				0.50
Male	186		41
Female	187		38
No. of siblings				0.38
0	118		21
≥1	255		58
Maternal age				0.97
≤23 yr	188		40
>23 yr	185		39
Maternal education				0.06
None	106		33
Primary, middle, or high school	199		33
College	68		13
Mode of delivery				0.50
Normal vaginal	339		75
Instrument-aided	9		1
Cesarean	25		3
Place of birth				0.39
Hospital or health center	365		76
Home	8		3

^*Water sources are not listed because all drinking water in the area is from the same main overhead tank with intermittent supply either to street standpipes or domestic taps.

^†Joint families include the study child, siblings, parents, aunts or uncles and their families, and grandparents. Extended families include the study child, siblings, parents, and grandparents.

^‡For socioeconomic status, class I is defined as lower lower class, and class II is defined as upper lower class, according to a modified Kuppuswamy scale, which takes into account educational level, occupation, and possessions.¹⁷