Table 3. The effect of missing OPV at birth on disease-specific mortality up to 12 months of age.

	All	No OPV versus OPV Adjusted MRR (95% CI)
		Boys	Girls
Malaria (35 deaths)	0.70 (0.28–1.73)	0.27 (0.03–2.06)	1.05 (0.38–2.91)
Diarrhoea (34 deaths)	1.21 (0.53–2.79)	0.53 (0.12–2.37)	2.12 (0.77–5.85)
Respiratory infection (26 deaths)	0.64 (0.21–1.89)	N/A (0/503 vs. 10/1697)	1.23 (0.38–3.91)
Septicaemia (26 deaths)	1.15 (0.45–2.94)	0.99 (0.27–3.61)	1.35 (0.36–5.11)

^*adjusted for season, suburb, maternal education, place of enrolment, lowest quartile arm circumference.

Note: MRR = mortality rate ratio.