Table I.
Characteristics of Chinese Adolescents.
| Variables | Any food allergen sensitization | Any aeroallergen sensitization | Both Food & aeroallergen sensitization | No sensitization |
|---|---|---|---|---|
| N=379 | N=651 | N=261 | N=759 | |
| Mean±SD | ||||
| Age (Yr) | 16.3 ± 2.1* | 16.8 ±2.1 | 16.6 ±2.1 | 16.7 ±2.1 |
| Weight (kg) | 46.8±8.3 | 48.7 ± .1** | 47.9 ± 8.4 | 47.4 ± 7.5 |
| Height (cm) | 156.6 ± 8.1 | 158.0 ± 8.2*** | 157.3 ±8.5 | 156.1 ± 7.9 |
| BMI (kg/m2) | 19.0± 2.5* | 19.4 ± 2.4 | 19.3 ± 2.5 | 19.4 ± 2.3 |
| Percent body fat | 18.7±9.3 | 18.2 ±9.4 | 19.1±9.3 | 19.2±9.7 |
| N (%) | ||||
| Sex | ||||
| Male | 212(55.9) | 389(59.8)** | 146(55.9) | 383(50.5) |
| Female | 167(44.1) | 262(40.2) | 115(44.1) | 376(49.5) |
| Education | ||||
| Primary school and lower | 44(11.6) | 51(7.8) | 27(10.3) | 71(9.4) |
| Junior High/middle school | 229(60.7) | 392(60.2) | 152(58.2) | 467(61.5) |
| High school and higher | 105(27.7) | 208(32.0) | 82(31.4) | 221(29.1) |
| Occupation | ||||
| Students | 276(72.8)* | 443(68.1) | 185(70.9) | 499(65.7) |
| Others | 103(27.2) | 208(31.9) | 76(29.1) | 260(34.3) |
| Smoking Status | ||||
| Non-Smoking | 91 (24.0) | 132 (20.3) | 61(23.4) | 155(20.4) |
| Current or passive Smoking | 288 (76.0) | 519 (79.7) | 200(76.6) | 604 (79.6) |
| Breastfeeding | ||||
| No | 157(44.4) | 276(42.4) | 110(42.1) | 322(42.4) |
| Yes | 222 (58.6) | 375 (57.6) | 151(57.9) | 437 (57.6) |
| Pet at home | ||||
| No | 163(43.0) | 308(47.3) | 118(45.2) | 334(44.0) |
| Yes | 216 (57.0) | 343(52.7) | 143(54.8) | 425 (56.0) |
| Farm animal | ||||
| No | 95(25.1) | 165(25.3) | 62(23.7) | 168(22.1) |
| Yes | 284(74.9) | 486(74.7) | 199(76.3) | 591(77.9) |
| Mice at home | ||||
| No | 117 (30.9) | 218 (33.5) | 80(30.7) | 251 (33.1) |
| Yes, Occasionally | 175 (46.2) | 283 (43.5) | 123(47.1) | 347 (45.7) |
| Yes, Some or Many | 87 (23.0) | 150 (23.0) | 58(22.2) | 161 (21.2) |
| Cockroach at home | ||||
| No | 222 (58.6) | 411 (63.1) | 151(57.8) | 480 (63.2) |
| Yes, Occasionally | 119 (31.4) | 191 (29.3) | 85(32.6) | 224 (29.5) |
| Yes, Some or Many | 38 (10.0) | 49 (7.5) | 25(9.6) | 55 (7.3) |
| Birth order | ||||
| First | 196(51.7) | 332(51.0) | 135(51.7) | 373(49.1) |
| Second | 183(48.3) | 319(49.0) | 126(48.3) | 386(50.9) |
i
GEE model was used to test the differences between no sensitization group and any food allergen sensitization group, any aeroallergen sensitization group, both food and aeroallergen sensitization group;
ii
*
p<0.05;
**
p<0.01;
***
p<0.001.