Multivariable regression analysis with objective adherence as independent variable#
| Variable | Effect size | p-value |
| Sex | 12±4% | 0.005 |
| Asian ethnicity | 19±5% | <0.001 |
| People in the household | −3.0±1.0% per person | 0.01 |
| Age at asthma diagnosis years | −2.7±0.9% per year | 0.004 |
Data are presented as change±se. #: n=87.