Table 1.

Demographic and Clinical Variables Stratified for Youth with and without Asthma (N = 1351 Youth + 1339 Parents)

Total Sample	No Asthma N (%) N = 582	Asthma N (%) N = 769	Test Statistics t(1349) or X2(1)
Demographics N (%)
Age (Mean ± SD)	14.1 ± 1.9	14.0 ± 1.9	1.13
N (%) Female	294 (50.5)	358 (46.6)	1.93
Education Level of Most Educated Parent   N (%) High School Graduate or Less   N (%) Some College   N (%) College Graduate or More	48 (8.2) 207 (35.6) 327 (56.2)	61 (8.1) 326 (43.1) 370 (48.9)	8.04*
Parent Ethnicity   Caucasian N (%)   African-American N (%)   Asian & Pacific Islander N (%)   Native American N (%)   Other N (%)	474 (81.6) 28 (4.8) 38 (6.5) 25 (4.3) 16 (2.8)	606 (80.4) 47 (6.2) 26 (3.4) 51 (6.8) 24 (3.2)	11.46* df = 4
N (%) Any Parent Employed PT or FT	559 (96.0)	710 (93.7)	3.26*
Parental Marital Status   N (%) Married   N (%) Single   N (%) Divorced, Separated, Widowed	465 (79.9) 35 (6.0) 82 (14.1)	551 (72.8) 55 (7.3) 151 (19.9)	9.45** df = 2
N (%) Eastern WA	192 (33.0)	261 (33.9)	0.10
N (%) Medicaid	47 (8.1)	105 (13.7)	9.77**
Median Household Income in 1999 ($)†	52135 ± 18303	50460 ± 17015	t(1322) = 1.72
Clinical
Medical Comorbidity Score (PedCDS without asthma)	323.6 ± 436.5	614.3 ± 959.7	7.44***
N (%) Smoking at least 100 Cigs in Life	23 (4.0)	38 (4.9)	0.54
CBCL Internalizing	6.8 ± 6.4	10.4 ± 8.3	9.00***
CBCL Externalizing	6.7 ± 7.2	9.2 ± 8.2	5.94***
Anxiety Sensitivity Index (ASI)	10.3 ± 8.6	11.7 ± 9.0	2.78**
Mood and Feelings Questionnaire	3.0 ± 4.3	3.7 ± 4.6	2.72**

^†N = 742 for asthma and 582 for non-asthma samples

^*p < 0.05;

^**p < 0.01;

^***p < 0.001