Table 1.
Prevalence of asthma in the study (n = 6,183).
| Proportion or prevalence, n (%) |
Male, n = 3,165 |
Female, n = 3,018 |
p-value | |
|---|---|---|---|---|
| Ever asthma | 990 (16.0%) | 563 (17.8%) | 421 (13.9%) | <0.001 |
| Current asthma | 695 (11.2%) | 391 (12.4%) | 304 (10.1%) | 0.005 |
| Physician-diagnosed asthma | 328 (5.3%) | 190 (6.0%) | 138 (4.6%) | 0.012 |
| 4 or more attacks in the past 12 months | 81 (1.3%) | 47 (1.5%) | 34 (1.1%) | 0.217 |
| Severe attack in the past 12 months | 24 (0.4%) | 11 (0.3%) | 13 (0.4%) | 0.600 |
| Wheeze-induced sleep disruption in the past 12 months | 198 (3.2%) | 243 (7.7%) | 197 (6.5%) | <0.001 |
| Wheeze during or after exercise in the past 12 months | 315 (5.1%) | 181 (5.7%) | 134 (4.4%) | 0.023 |
| Nocturnal cough in the past 12 months | 906 (14.7%) | 471 (14.9%) | 435 (14.4%) | 0.603 |
Data are shown as mean (± standard deviation) or number (%). Chi-square test was adopted to assess the significance of between-group differences; p-values of < 0.05 in bold were considered statistically significant.