Table 1 Demographics of study cohort
Variable | Category | IAP | NIAP | Overall | P-value |
|---|---|---|---|---|---|
Vaccine responsiveness | 0.019 | ||||
High vaccine response | (1) 7% | (5) 31% | (6) 20% | ||
Normal vaccine response | (6) 43% | (10) 62% | (16) 53% | ||
Low vaccine response | (7) 50% | (1) 6% | (8) 26% | ||
Otitis prone status | < 0.001 | ||||
Stringently defined otitis prone | (10) 71% | (0) 0% | (10) 33% | ||
Non otitis prone | (4) 29% | (16) 100% | (20) 67% | ||
Atopy | 0.675 | ||||
Eczema | (4) 29% | (3) 18% | (7) 23% | ||
Sex | 0.44 | ||||
Female | (3) 21% | (6) 38% | (9) 30% | ||
Male | (11) 79% | (10) 62% | (21) 70% | ||
Age (months) | Mean | 9.9 ± 2 | 10.76 ± 1.59 | 10.36 ± 1.81 | 0.211 |
Ancestry | 0.485 | ||||
African American | (0) 0% | (1) 6% | (1) 3% | ||
Caucasian | (14) 100% | (13) 81% | (27) 90% | ||
Other | (0) 0% | (2) 12% | (2) 7% | ||
Daycare | 0.142 | ||||
Yes | (11) 79% | (8) 50% | (19) 63% | ||
No | (3) 21% | (8) 50% | (11) 37% | ||
Breastfeeding | 0.883 | ||||
Breastfed | (4) 29% | (3) 19% | (7) 23% | ||
Formula fed | (8) 57% | (10) 62% | (18) 60% | ||
Both | (2) 14% | (3) 19% | (5) 17% | ||
Smokers in home | 1.00 | ||||
Yes | (0) 0% | (1) 6% | (1) 3% | ||
No | (14) 100% | (15) 94% | (29) 97% | ||
Siblings | 0.457 | ||||
Yes | (7) 50% | (11) 69% | (18) 60% | ||
No | (7) 50% | (5) 31% | (12) 40% |