| Asthma | Diabetes | p-value | |
| Subjects n | 3564 | 3361 | |
| Females | 58.4 | 39.0 | <0.05 |
| Age yrs | 43.3±15.5 | 59.9±12.9 | |
| 18–34 | 35.1 | 5.1 | |
| 35–54 | 38.8 | 24.3 | <0.05 |
| >55 | 26.1 | 70.6 | |
| Current/ex-smoker | 61.8 | 70.4 | <0.05 |
| Overweight# | 33.4 | 40.0 | <0.05 |
| Obese¶ | 24.9 | 41.2 | <0.05 |
| Employment status | |||
| Employed | 56.4 | 33.1 | <0.05 |
| Unemployed | 43.6 | 66.9 | <0.05 |
| Retired | 16.5 | 53.1 | <0.05 |
| Long-term disability | 4.2 | 3.8 | ns |
Data are presented as % or mean±sd, unless otherwise stated. Statistical comparisons were computed using Chi-squared test for percentages and unpaired t-tests for means. ns: nonsignificant. #: body mass index ≥25 and <30 kg·m−2; ¶: body mass index ≥30 kg·m−2.