Table 3.

Associations between independent variables and BMI and Hb concentration^*

Variable	BMI (kg/m2)		Hb concentration (g/L)
	β (95% CI)	P value	β (95% CI)	P value
Age (years)	0.07 (0.02, 0.13)	0.01	0.01 (−0.27, 0.28)	0.96
Parity	−0.03 (−0.27, 0.22)	0.83	−0.51 (−1.77, 0.75)	0.43
Household size	−0.09 (−0.23, 0.05)	0.20	−0.18 (−0.89, 0.54)	0.63
Gestation (weeks)	0.04 (−0.05, 0.14)	0.38	−0.46 (−0.96, 0.04)	0.07
Water source (Ref: non-improved)†	−0.12 (−0.85, 0.62)	0.75	1.28 (−2.47, 5.03)	0.50
Taking IFA	−0.40 (−0.99, 0.19)	0.19	−0.18 (−3.21, 2.84)	0.91
Toilet type (Ref: non-improved)‡	0.57 (0.10, 1.04)	0.02	2.94 (0.53, 5.35)	0.02

BMI = body mass index; CI = confidence interval; Hb = hemoglobin; IFA = iron and folic acid.

^*Total N = 544. Categorical reference variables: non-improved (untreated) water source, not taking IFA, and non-improved sanitation facility. Continuous variables: parity and household size.

^†Improved: treated water supply; non-improved: untreated water supply.

^‡Improved: closed pit latrine; non-improved: open defecation.