Table 4. Unadjusted association between improper MDI techniques and sociodemographic, disease characteristic, and patient factors.
Factors |
B |
SE |
P-value |
Crude OR |
95% CI |
|
|---|---|---|---|---|---|---|
Lower |
Upper |
|||||
Employed* |
- |
- |
0.176 |
Ref |
- |
- |
Student |
-1.524 |
1.098 |
0.165 |
0.218 |
0.025 |
1.875 |
Unemployed |
0.605 |
0.530 |
0.254 |
1.832 |
0.648 |
5.182 |
|
Used an MDI >5 years* Used an MDI ≤5 years |
1.215 |
0.439 |
0.006 |
Ref 3.369 |
1.425 |
7.964 |
|
Regular follow- up* No follow-up |
0.318 |
0.410 |
0.438 |
Ref 1.374 |
0.616 |
3.068 |
|
On an MDI preventer* Not on an MDI preventer |
0.911 |
0.407 |
0.025 |
Ref 2.487 |
1.121 |
5.519 |
*
= reference group, SE = standard error, CI = confidence interval, MDI = metered-dose inhaler, B = β coefficient, OR = odds ratio