Table 1.
Distribution of women who began vaccination with DPT/DT or TT, by age and vaccination history
| Variable | Value | Group A: Began vaccination with DPT/DT (n = 22) | Group B: Began vaccination with TT (n = 66) | p value |
| Years of birth | - | |||
| 1910 – 1944 | 0 | 30 | ||
| 1945 – 1954 | 0 | 24 | ||
| 1955 – 1964 | 8 | 9 | ||
| 1965 – 1974 | 14 | 3 | ||
| Age group (in years) | <0.0001 | |||
| 30 – 39 | 14 | 3 | ||
| 40 – 49 | 8 | 13 | ||
| 50 – 59 | 0 | 25 | ||
| 60 – 69 | 0 | 12 | ||
| 70 – 99 | 0 | 13 | ||
| N.° doses of tetanus toxoid | <0.0001 | |||
| 1 | 0 | 15 | ||
| 2 | 0 | 12 | ||
| 3 | 0 | 31 | ||
| 4 | 2 | 2 | ||
| 5 | 3 | 6 | ||
| 6–9 | 17 | 0 | ||
| Age at first dose | <0.0001 | |||
| Mean | 2.2 | 41.2 | ||
| S.D. | 2.6 | 15.7 | ||
| Min/Max | 0.3/7.9 | 11.1/77.0 | ||
| Time since last dose (years) | 0.86 | |||
| Mean | 15.8 | 14.4 | ||
| S.D. | 7.3 | 6.0 | ||
| Min/Max | 5.0/34.4 | 1.6/33.0 | ||