Table 3.
Comparison of demographics for otitis-prone cases and non-otitis-prone controls between vaccine groups.
| Otitis-Prone Children (Cases) | Non-Otitis-Prone (Controls) | |||||
|---|---|---|---|---|---|---|
| Sample Demographics | PCV7 | PCV10 | p | PCV7 | PCV10 | p |
| Total number | 147 | 178 | 70 | 62 | ||
| Median age in months (interquartile range) | 21.34 (16.54–26.63) |
24.17 (19.05–28.81) |
0.007 | 18.82 (12.86–24.8) |
21.11 (14.7–29.08) |
0.183 |
| Male gender (%) | 92 (63%) | 122 (69%) | 0.260 | 51 (73%) | 34 (55%) | 0.031 |
| Day care attendance (%) | 93 (63%) | 144 (81%) | 0.001 | 28 (40%) | 28 (45%) | 0.270 |
| Antibiotics in last month (%) | 74 (50%) | 78 (44%) | 0.176 | 29 (41%) | 18 (29%) | 0.325 |
| Ethnicity (%) | ||||||
| European | 104 (71%) | 103 (58%) | 0.016 | 45(64%) | 30 (48%) | 0.066 |
| Māori | 21 (14%) | 45 (25%) | 0.014 | 5 (7%) | 14 (23%) | 0.012 |
| Pacific Island | 19 (13%) | 27 (15%) | 0.564 | 13 (19%) | 9 (15%) | 0.533 |
| Other/unknown | 3 (2%) | 3 (2%) | 0.813 | 7 (10%) | 9 (15%) | 0.428 |