Table 3.

Non-adjusted and adjusted risk ratios (95% confidence intervals) for mortality for BCG and diphtheria, tetanus, and pertussis vaccines analysed by vaccination status before age 2 years and vaccination status at first visit

	Vaccination status at age <2 years		Vaccination status at first visit
Variable	Deaths/person months at risk	Risk ratio (95% CI) for mortality	Deaths/person months at risk	Risk ratio (95% CI) for mortality
Non-adjusted:
Unvaccinated	958/72 938	1.00	281/28 128	1.00
BCG	64/14 238	0.37 (0.29 to 0.48)	29/6262	0.46 (0.31 to 0.68)
Diphtheria, tetanus, and pertussis	11/3411	0.24 (0.13 to 0.43)	2/1015	0.20 (0.05 to 0.79)
BCG and diphtheria, tetanus, and pertussis	207/44 515	0.33 (0.28 to 0.38)	33/7385	0.44 (0.31 to 0.64)
Adjusted*:
Unvaccinated	953/72 410	1.00	280/27 987	1.00
BCG	63/14 224	0.37 (0.29 to 0.48)	28/6254	0.50 (0.34 to 0.75)
Diphtheria, tetanus, and pertussis	10/3407	0.23 (0.12 to 0.43)	2/1015	0.24 (0.06 to 0.96)
BCG and diphtheria, tetanus, and pertussis	206/44 440	0.34 (0.29 to 0.40)	33/7357	0.50 (0.35 to 0.73)

^*Adjusted for area, dispensary in village, frequent use of health services by family, diarrhoea during first year, and birth season.