Table 1. Summary statistics by gender in CHASE study.
Values are numbers (percentages) of participants unless stated otherwise.
| Males (n = 2396) | Females (n = 2488) | |
|---|---|---|
| Mean (SD) age | 9.9 (0.4) | 9.9 (0.4) |
| Mean (SD) FVC (ml) | 2143 (430) | 1995 (402) |
| Mean (SD) FEV1 (ml) | 1806 (352) | 1728 (342) |
| Ethnicity | ||
| White European | 604 (25.2) | 568 (22.8) |
| Black African-Caribbean | 636 (26.5) | 717 (28.8) |
| South Asian | 589 (24.6) | 617 (24.8) |
| Asian other | 149 (6.2) | 176 (7.1) |
| Other ethnicity | 418 (17.5) | 410 (16.5) |
| Reported asthma in the last two years | 255 (10.6) | 257 (10.3) |
| Exposure to passive smoking (salivary cotinine >0.1 ng/ml) | 1049 (43.8) | 1159 (46.6) |
| Mean (SD) Fat Mass Index (Kg/m5) | 1.96 (0.95) | 2.15 (0.98) |
| Mean (SD) Sum of skin folds (mm) | 42.8 (24.1) | 51.0 (24.3) |
| Mean (SD) Index of Multiple deprivation | 30.5 (12.6) | 30.7 (12.5) |
| Having a pet at home | 792 (34.2) | 821 (34.1) |