Diagnosed asthma | p-value | ||
Not well-controlled# | At least well-controlled¶ | ||
Impact of asthma on work, school and home activities in past 4 weeks | <0.001 | ||
All of the time | 3.4 | 0.1 | |
Most of the time | 10.1 | 0.0 | |
Some of the time | 27.3 | 1.4 | |
A little of the time | 33.7 | 18.7 | |
None of the time | 25.4 | 79.8 | |
Frequency of shortness of breath in past 4 weeks | <0.001 | ||
At least once a day | 48.1 | 1.7 | |
3–6 times per week | 24.4 | 3.7 | |
Once or twice per week | 25.6 | 47.5 | |
None | 1.9 | 47.1 | |
Night-time awakenings due to asthma in past 4 weeks | <0.001 | ||
≥4 nights per week | 17.0 | 0 | |
2–3 nights per week | 26.4 | 1.3 | |
Once a week | 16.9 | 3.3 | |
Once or twice per week | 39.8 | 95.4 | |
Frequency of rescue medication use | <0.001 | ||
≥3 times per day | 14.8 | 0.6 | |
Once or twice per day | 38.0 | 7.1 | |
2–3 times per week | 24.6 | 8.2 | |
None or once a week | 22.6 | 84.1 | |
Self-rated asthma control in past 4 weeks | <0.001 | ||
Not at all controlled | 11.6 | 4.0 | |
Poorly controlled | 10.7 | 1.0 | |
Somewhat controlled | 35.0 | 4.7 | |
Well-controlled | 37.3 | 36.6 | |
Completely controlled | 5.3 | 53.6 |
Data are presented as % of patients, unless otherwise stated. #: n = 1,827; ¶: n = 1,792. Statistical comparisons were computed using the Chi-squared test.