Table 4.

Prospective association of exclusive breast-feeding with subsequent risk of first episode of growth faltering among children during 0–6 months of life, Dar es Salaam, Tanzania

		Univariate			Multivariate
Outcome	Events	RR	95 % CI	P	RR	95 % CI	P
Z-score (<–22 v. ≥–22)
WAZ (underweight)*	80	1·28	0·77, 2·14	0·34	1·29	0·75, 2·21	0·36
HAZ (stunted)‡	103	1·28	0·79, 2·07	0·32	1·34	0·82, 2·20	0·25
WHZ (wasted)‡	32	0·88	0·36, 2·11	0·77	0·77	0·31, 1·92	0·58
Z-score (<–23 v. ≥–23)
WAZ (underweight)§	22	0·64	0·23, 1·80	0·40	0·54	0·17, 1·66	0·28
HAZ (stunted)∥	30	1·43	0·60, 3·39	0·41	1·27	0·50, 3·22	0·61
WAZ (wasted)¶	7	–		–	–		–

RR, rate ratio; WAZ, weight-for-age Z-score; HAZ, height-for-age Z-score; WHZ, weight-for-height Z-score; MUAC, mid upper-arm circumference.

^*Adjusted for child gender and HIV status; and maternal age, viral load, MUAC and social support.

^†Adjusted for child gender, birth height and HIV status; and maternal age, partner education, number of living children and type of delivery.

^‡Adjusted for child birth height; and maternal social support, CD4 count, Hb, MUAC, BMI and type of delivery.

^§Adjusted for child HIV status; and maternal partner education and CD4 count.

^∥Adjusted for child gender, birth weight and HIV status; and maternal social support and partner education.

^¶Adjusted for child HIV status; and maternal social support, clinical depression score and type of delivery.