Table 3. Infant feeding options as a risk factor for infant mortality by maternal HIV status.

Feeding option and time	Deceased infants of HIV-positive mothers	Odds ratio (95% CI)	Deceased infants of HIV-negative mothers	Odds ratio (95% CI)
6 weeks
Exclusive, n (%)	23 (9.1)	Referent	4 (1.9)	Referent
Mixed, n (%)	9 (12.0)	1.3 (0.6–2.9)	6 (3.9)	2.1 (0.6–7.3)
Not breastfed at all, n (%)	3 (10.7)	1.2 (0.4–3.9)	2 (15.4)	8.1 (1.5–44.3)
4 months
Exclusive, n (%)	6 (4.9)	Referent	1 (3.0)	Referent
Mixed, n (%)	6 (4.5)	0.9 (0.3–2.9)	7 (3.6)	1.2 (0.2–9.6)
Not breastfed at all, n (%)	5 (12.8)	2.6 (0.8–8.6)	1 (16.7)	5.5 (0.3–87.9)