Table 1.
Baseline characteristics of study participants
| Group 1 (2 + 1 schedule; N=106) | Group 2 (1 + 1 schedule; N=107) | ||
|---|---|---|---|
| Sex | |||
| Male | 60 | 49 | |
| Female | 46 | 58 | |
| Maternal vaccination | |||
| Yes | 76 | 86 | |
| No | 23 | 18 | |
| Not known | 7 | 3 | |
| Age at first PCV dose (days) | 60 (55–88) | 91 (84–114) | |
| Age at second PCV dose (group 1; days) | 124 (112–154) | .. | |
| Age at booster (days) | 371 (359–406) | 371 (366–416) | |
| Interval from last primary PCV dose to blood sample (days) | 30 (21–57) | 62 (50–92) | |
| Interval from booster dose to blood sample (days) | 30 (28–82) | 20 (28–64) | |
Data are n or median (range). PCV=pneumococcal conjugate vaccine.