Variable | Category | Northern China(n = 7647) | Southern China(n = 5124) | |
---|---|---|---|---|
β(95%°ä±õ) | β(95%°ä±õ) | |||
Gender: male (ref = girls) | 1.404(1.115,1.769)** | - | ||
Age (ref = 4 years old) | 11 years old | 0.472(0.247,0.903)* | - | |
12 years old | 0.467(0.237,0.920)* | - | ||
13 years old | 0.509(0.260,0.997)* | - | ||
14 years old | 0.343(0.170,0.693)** | - | ||
BMI (°ù±ð´Ú = n´Ç) | Normal weight | - | 0.763(0.532,1.095) | |
Medication in neonatal perioda(°ù±ð´Ú = n´Ç) | Antibiotic | - | 2.939(1.676,5.153)*** | |
Hospitalize for diseasea (°ù±ð´Ú = n´Ç) | Eczema/dermatitis | 1.623(1.446,2.871)** | - | |
Chronic cough | 2.035(1.572,2.635)*** | - | ||
Asthmatic bronchitis | 2.284(1.701,3.066)*** | 2.526(1.724,3.702)*** | ||
Infectionsa (°ù±ð´Ú = n´Ç) | Viral | 1.966(1.496,2.587)*** | 2.045(1.402,2.984)*** | |
Bacterial | 2.055(1.129,3.739)* | - | ||
Mycoplasma | 1.594(1.156,2.199)** | - | ||
Allergen testing (°ù±ð´Ú = n´Ç) | Yes | 4.218(3.055,5.824)*** | 3.846(2.347,6.302)*** | |
Allergic problems (°ù±ð´Ú = n´Ç) | Allergic Conjunctivitis | 1.280(1.167,1.470)*** | 1.708(1.146,1.744)* | |
Two or more allergy problem | 5.060(4.077,6.279)*** | - | ||
Allergy seasona (°ù±ð´Ú = n´Ç) | Spring | - | 1.565(1.053,2.324)* | |
Summer | - | - | ||
Autumn | 2.151(1.560,2.967)*** | - | ||
Winter | 3.599(2.477,5.229)*** | 6.930(4.243,11.318)*** | ||
Screen time (h) (°ù±ð´Ú = n´Ç) | ≧ 4 | - | 3.314(1.386,7.922)** | |
Paternal or maternal allergya (°ù±ð´Ú = n´Ç) | Asthma | 2.430(1.658,3.561)*** | - | |
Allergic Rhinitis | - | 1.711(1.182,2.477)** | ||
Eczema/dermatitis | 1.987(1.430,2.767)*** | - | ||
Allergic Conjunctivitis | 1.537(1.320,1.903)** | - | ||
Air the quilt (°ù±ð´Ú = n´Ç) (at least once every two weeks) | Yes | 0.736(0.573,0.944)* | 0.852(0.420,1.727) | |
House decoration (years) (°ù±ð´Ú = n´Ç) | &±ô³Ù; 1 | 2.261(1.617,3.162)*** | - |