Table 3.
Factors associated with health-related quality of life: VAS scale (0 = worst health state, 100 = best health state); (n = 2034)
| |
|
VAS score |
|
|---|---|---|---|
| N | Mean (SD) | Adjusted mean differences (CI 95 %)* | |
|
Age |
|
|
|
| ≥ 60 years |
609 |
62.38 (17.46) |
|
| 40 to 59 years |
675 |
68.93 (16.66) |
1.78 (−0.38,3.94) |
| 18 to 39 years |
750 |
76.34 (15.33) |
4.99 (2.63,7.37) |
|
Educational level |
|
|
|
| None |
162 |
58.57 (18.52) |
|
| Primary |
865 |
66.12 (17.18) |
2.41 (−0.63,5.44) |
| Secondary |
667 |
73.48 (16.02) |
4.96 (1.64,8.28) |
| University |
336 |
76.87 (14.92) |
6.30 (2.69,9.90) |
|
Asthma severity |
|
|
|
| Severe persistent |
87 |
46.78 (17.21) |
|
| Moderate persistent |
672 |
65.45 (16.86) |
9.01 (5.07,12.96) |
| Mild persistent |
754 |
72.97 (15.12) |
11.40 (7.28,15.52) |
| Intermittent |
520 |
74.26 (16.96) |
9.49 (5.22,13.76) |
|
Smoking habit |
|
|
|
| Current or former |
753 |
68.47 (17.02) |
|
| Never |
1,279 |
70.43 (17.58) |
2.51 (1.13,3.89) |
|
Stressful event last 15 days |
|
|
|
| Yes |
296 |
61.47 (18.61) |
|
| No |
1,731 |
71.10 (16.75) |
6.17 (4.31,8.03) |
|
Adherence is important (score, patient’s point of view): |
|
|
|
| < 8 |
511 |
65.25 (17.78) |
|
| ≥ 8 |
1,521 |
71.23 (16.98) |
4.02 (2.54,5.50) |
|
ACQ score |
|
|
|
| >1.50 |
762 |
58.94 (16.38) |
|
| 0.75-1.50 |
541 |
72.59 (13.89) |
9.48 (7.53,11.44) |
| <0.75 | 731 | 78.79 (14.48) | 13.26 (11.22,15.29) |
Score of VAS scale, and probability of obtaining values greater than the mean on the VAS. Multivariate analysis.
*Adjusted by all the variables in the Table 1.
N, number of cases; VAS, Visual Analogue Scale; CI, Confidence interval; BMI, Body mass index; SABA, Short-acting beta2 agonists; LABA, Long-acting beta2 agonists; IC, Inhaled corticosteroids.