Table 1 Baseline characteristics of the recruited children by IPD status
Characteristic | IPD† | |||
|---|---|---|---|---|
All recruited (n = 135) | Non-confirmed (n = 118) | Confirmed (n = 15) | P-value§ | |
Age (y) | 0.787 | |||
<2 | 58 (43.0) | 50 (42.4) | 7 (46.7) | |
2-4 | 77 (57.0) | 68 (57.6) | 8 (53.3) | |
Sex (boy) | 75 (55.6) | 63 (53.4) | 11 (73.3) | 0.175 |
Race (White)§§ | 116 (85.9) | 101 (85.6) | 13 (86.7) | 1.000 |
Having been breastfed (yes) | 103 (76.3) | 92 (78.0) | 10 (66.7) | 0.340 |
Siblings (yes) | 68 (50.4) | 62 (52.5) | 5 (33.3) | 0.182 |
Having a parent smoking (yes) | 31 (23.0) | 29 (24.6) | 2 (13.3) | 0.519 |
Attending a community (yes) | 54 (40.0) | 45 (38.1) | 8 (53.3) | 0.276 |
Co-morbidity conditions§§§ (yes) | 2 (1.5) | --- | 2 (13.3) | 0.012* |
Having received pneumococcal vaccine (yes) | 47 (34.8) | 41 (34.7) | 4 (26.7) | 0.773 |
Type (conjugate/polysaccharide) | 41/6 | 36/5 | 3/1 | 0.448 |
Doses (n)§§§§ | 0.551 | |||
1 | 15 (31.9) | 14 (34.1) | 1 (25.0) | |
2 | 18 (38.3) | 17 (41.5) | 1 (25.0) | |
≥3 | 14 (29.8) | 10 (24.4) | 2 (50.0) | |
Median (range) age at the first dose of vaccine (mo) §§§§ | 6.5 (2–40) | 6.0 (2–35) | 9.5 (4–40) | 0.250 |
Having received antibiotic therapy during the week before recruitment (yes) | 40 (29.6) | 38 (32.2) | 1 (6.7) | 0.067 |