Table 2. Predisposing factors for allergic diseases in Surabaya school children.
| Variable | Primary school children with allergy (n = 45) | Secondary school children with allergy (n = 139) | Undergraduate students with allergy (n = 94) | Total (n = 278) | |
|---|---|---|---|---|---|
| Parental atopy | |||||
| Father | 24 (53.3) | 78 (56.1) | 49 (52.1) | 151 (54.3) | |
| Mother | 27 (60.0) | 84 (60.4) | 58 (61.7) | 169 (60.8) | |
| None | 18 (40.0) | 55 (39.6) | 36 (38.3) | 109 (39.2) | |
| Birth order | |||||
| First | 30 (66.7) | 97 (69.8) | 65 (69.1) | 192 (69.1) | |
| Second | 9 (20.0) | 32 (23.0) | 29 (30.9) | 70 (25.2) | |
| Third | 2 (4.4) | 9 (6.5) | - | 11 (3.9) | |
| Fourth | 2 (4.4) | 1 (0.7) | - | 3 (1.1) | |
| Fifth | 2 (4.4) | - | - | 2 (0.7) | |
| House dust mite exposure | |||||
| Yes | 28 (62.2) | 85 (61.2) | 74 (78.7) | 187 (67.3) | |
| No | 17 (37.8) | 54 (38.8) | 20 (21.3) | 91 (32.7) | |
| Clean, hygienic home and environment | |||||
| Yes | 30 (66.7) | 94 (67.6) | 63 (67) | 187 (67.3) | |
| No | 15 (33.3) | 45 (32.4) | 31 (33) | 91 (32.7) | |
| Pet ownership | |||||
| Yes | 28 (62.2) | 54 (38.8) | 28 (29.8) | 110 (39.6) | |
| No | 17 (37.8) | 85 (61.2) | 66 (70.2) | 168 (60.4) | |
Values are presented as number (%).