Table 2.
Simple correlations among study variables (N = 172).
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Age | - | |||||||||||||
| 2. | Gender | .13 | - | ||||||||||||
| 3. | Race/Ethnicity | −.06 | −.01 | - | |||||||||||
| 4. | Asthma severity | −.07 | −.05 | −.09 | - | ||||||||||
| 5. | Use of inhaled corticosteroids | −.15 | .05 | −.01 | .27* | - | |||||||||
| 6. | Use of beta agonists | −.03 | .13 | −.15 | .28* | .23* | - | ||||||||
| 7. | Home environment control | −.14 | −.07 | −.07 | −.08 | .04 | −.03 | - | |||||||
| 8. | Exposure to second-hand smoke | .16* | .02 | −.02 | −.14 | −.04 | .01 | −.18* | - | ||||||
| 9. | Family size | −.18* | −.04 | .13 | .01 | .14 | .14 | −.06 | −.02 | - | |||||
| 10. | Birth order | −.08 | −.02 | .01 | −.16* | −.03 | −.14 | .13 | .19* | −.18* | - | ||||
| 11. | SES | .03 | .05 | .45* | −.12 | .00 | −.29* | .02 | −.05 | .24* | −.03 | - | |||
| 12. | Family obligation | −.25* | .16* | −.03 | −.03 | .07 | .05 | .09 | −.06 | .21* | .10 | −.05 | - | ||
| 13. | Airway inflammation | .17* | .02 | −.20* | −.10 | −.12 | .08 | .03 | −.02 | −.12 | −.03 | −.17 | .07 | - | |
| 14. | Parent-reported asthma control | .11 | −.08 | .30* | −.37* | −.19* | −.54* | .06 | −.06 | .00 | .18* | .31* | −.13 | −.06 | - |
| 15. | Youth-reported asthma control | .05 | −.19* | .03 | −.16 | −.09 | −.43 | .10 | −.07 | −.11 | .09 | .12 | −.18 | .02 | .49 |
Note.
*
p<.05. Gender was effect-coded such that male was coded −1 and female was coded 1. Race/Ethnicity was effect-coded such that European American was coded 1 and non-European American was coded −1. Birth order was effect-coded such that first born was coded 1 and later born was coded −1.