Table 1 Characteristics of Chinese atopic cases and their individually matched controls
Atopic cases | Controls | p | |
|---|---|---|---|
Numbers | 266 | 532 | |
Age, years | 38.5 (12.1) | 38.5 (12.0) | 0.98 |
Males, n (%) | 80 (30.1) | 160 (30.1) | 1.0 |
Residential region: rural, n (%) | 37 (13.9) | 74 (13.9) | 1.0 |
Marital status: married, n (%) | 213 (80.1) | 441 (82.9) | 0.33 |
Height, cm | 165.4 (7.5) | 165.1 (7.5) | 0.54 |
Weight, kg | 63.4 (13.2) | 61.9 (10.2) | 0.075 |
BMI, kg/m2 | 23.1 (3.9) | 22.7 (3.1) | 0.10 |
Cigarette smoking, n (%) | 52 (19.5) | 113 (21.2) | 0.58 |
Alcohol drinking, n (%) | 26 (9.8) | 76 (14.3) | 0.072 |
Exercise > 1 per week, n (%) | 79 (31.4) | 167 (31.4) | 0.63 |
Education | 0.14 | ||
Primary school | 19 (7.1) | 53 (10.0) | |
High school | 140 (52.6) | 299 (56.2) | |
Tertiary | 107 (40.2) | 180 (33.8) | |
Family history of allergic diseases | 96 (36.1) | 119 (22.4) | <0.001 |
Obese, n (%) | 31 (11.7) | 22 (4.1) | <0.001 |