Table 3.

Prenatal social support effect on infant weight status from birth to age 18 months.

	Age	n	Full sample n (%)	Low social support n (%)	High social support n (%)	OR†	95% CI	aOR‡	95% CI
% Overweight*	Birth	262	32 (12%)	13 (25%)	19 (9%)	0.30	0.14, 0.65	0.35	0.15, 0.80
	6 months	216	15 (7%)	4 (10%)	11 (6%)	0.64	0.19, 2.12	0.60	0.16, 2.14
	12 months	188	23 (12%)	9 (27%)	14 (9%)	0.26	0.10, 0.68	0.28	0.10, 0.74
	18 months	160	28 (18%)	11 (34%)	17 (13%)	0.29	0.12, 0.71	0.35	0.14, 0.89

^*Overweight defined as ≥4kg at birth (i.e., macrosomia) and as weight-for-length z-score ≥2 at subsequent ages, according to World Health Organization reference standards.

^†Odds ratios estimated by logistic regression.

^‡Adjusted odds ratios estimated by multiple logistic regression adjusted for maternal age, birth country, food insecurity, and pre-pregnancy weight status.