Prevalence (95% CI) of outcome variables used in the analysis of the NHANES III data (1988–94)
| Age group ≥20 | Age group 20–44 | |||
|---|---|---|---|---|
| Variable | % | 95% CI | % | 95% CI |
| *Work related asthma was created by combining affirmative responses to HAC1E and HAL14D as described in methods section; †HAC1E, HAL6, corresponds to the number of the question in the NHANES III dataset as described in the methods section; ‡work related wheezing was created by combining affirmative responses to HAL6 and HAL14D as described in methods section. | ||||
| Work related asthma* | 3.70 | 2.88 to 4.52 | 3.83 | 2.83 to 4.84 |
| Medically diagnosed asthma (HAC1E)† | 9.70 | 8.51 to 10.90 | 9.85 | 8.59 to 11.11 |
| Work related wheezing‡ | 11.46 | 9.87 to 13.05 | 13.09 | 11.06 to 15.13 |
| Wheezing (HAL6)† | 25.53 | 23.89 to 27.17 | 25.67 | 23.75 to 27.59 |