Table 5.

Risk ratios (95% confidence intervals) for mortality for second dose of diphtheria, tetanus, and pertussis vaccine among children vaccinated with BCG

	Non-adjusted		Adjusted*
Timing of diphtheria, tetanus, and pertussis vaccine after BCG	Deaths/person months at risk	Risk ratio (95% CI) for mortality	Deaths/person months at risk	Risk ratio (95% CI) for mortality
First dose	149/31 109	1.00	148/31 104	1.00
Second dose	58/13 266	0.80 (0.58 to 1.12)	58/13 266	0.91 (0.64 to 1.28)

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