Table 3. Relative risk (RR) of DTP, MV and DTP, MV-only or other/no vaccines as most recent vaccination by 9, 10 and 11 months of age by cohort.
| DTP %(n) | DTP after MV or DTP and MV together %(n) | MV-only%(n) | Othera or no vaccines %(n) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1992–3 | 2002–3 | RR (95%CI)* | 1992–3 | 2002–3 | RR (95%CI)* | 1992–3 | 2002–3 | RR (95%CI)* | 1992–3 | 2002–3 | |
| 9 months | 53% (1120) | 45% (1175) | 0.84 (0.80–0.89) | 18% (387) | 19% (502) | 1.04 (0.92–1.17) | 19% (404) | 29% (755) | 1.50 (1.35–1.67) | 8% (196) | 7% (190) |
| 1992–3 n = 2107 | |||||||||||
| 2002–3 n = 2622 | |||||||||||
| 10 months | 42% (864) | 33% (840) | 0.79 (0.73–0.85) | 25% (514) | 25% (633) | 1.00 (0.90–1.10) | 26% (531) | 36% (927) | 1.41 (1.29–1.54) | 7% (169) | 4% (171) |
| 1992–3 n = 2078 | |||||||||||
| 2002–3 n = 2571 | |||||||||||
| 11 months | 33% (668) | 25% (631) | 0.76 (0.69–0.83) | 31% (623) | 28% (712) | 0.92 (0.84–1.01) | 30% (606) | 41% (1042) | 1.38 (1.28–1.50) | 6% (145) | 3% (151) |
| 1992–3 n = 2042 | |||||||||||
| 2002–3 n = 2536 | |||||||||||
a: Includes BCG only or OPV-only or BCG and OPV only
*RR assessed in binomial regression model with a log-link function; 95% CI adjusted for cluster sampling using robust variance estimates