Deaths and person years according to vaccination group, using vaccination status as time fixed or time varying variable, Guinea-Bissau, 1990-6

Vaccination status as time fixed variable
Vaccination dates as time varying variables

Deaths
Person years at risk
Mortality per 1000 person years
Deaths
Person years at risk
Mortality per 1000 person years

Vaccination status

No BCG+DTP one dose
2
9.0
222
2
16.3
123

No BCG+DTP two doses
0
4.5
0
0
3.5
0

No BCG+DTP three doses
0
1.4
0
0
4.2
0

BCG+no DTP
33
537.6
61
33
334.4
99

BCG+DTP one dose
59
595.5
99
60
679.5
88

BCG+DTP two doses
21
266.6
79
20
443.4
45

BCG+DTP three doses
12
119.6
100
15
425.0
35

Vaccinated
127
1534.2
83
130
1906.3
68

Unvaccinated
95
875.1
109
92
503.0
183

All
222
2409.3
92
222
2409.3
92

Mortality ratio (95% CI)

Unvaccinated v vaccinated

1.35 (0.97 to 1.89)

2.96 (2.15 to 4.08)

BCG v BCG unvaccinated

0.55 (0.36 to 0.85)

0.62 (0.41 to 0.92)

One dose DTP v DTP unvaccinated

1.84 (1.10 to 3.10)

0.68 (0.44 to 1.04)

Two doses DTP v DTP unvaccinated
1.38 (0.73 to 2.61)^*
0.26 (0.15 to 0.47)

Three doses DTP v DTP unvaccinated

0.16 (0.08 to 0.32)