Table 2.
▪Demographic and Severity Variables, by Number (%), for the Total Sample, Intervention, and Control Groups
| Variable | Total Study Population,N = 71 | Intervention Subjects,n = 38 | Comparison Subjectsn = 33 | Significance |
|---|---|---|---|---|
| Sex: | ||||
| Male | 46 (64.8) | 25 (65.8) | 21 (63.9) | |
| 0.24b | ||||
| Female | 25 (35.2) | 13 (34.2) | 12 (36.4) | |
| Ethnicity: | ||||
| Hispanic | 5 (7.0) | 2 (5.3) | 3 (9.1) | |
| Asian | 1 (2.6) | 1 (2.6) | — | |
| Black | 29 (40.8) | 16 (42.1) | 13 (39.4) | 0.53b |
| White | 34 (47.9) | 17 (44.7) | 17 (51.5) | |
| Other | 2 (2.8) | 2 (5.3) | — | |
| Asthma severity: | ||||
| Low | 11 (15.5) | 5 (13.2) | 6 (18.2) | |
| Mild | 27 (38.0) | 13 (34.2) | 14 (42.4) | |
| 0.32b | ||||
| Moderate | 25 (35.2) | 17 (44.7) | 8 (24.2) | |
| Severe | 8 (11.3) | 3 (7.9) | 5 (15.2) | |
| School grades: | ||||
| As & Bs | 52 (73.2) | 25 (65.8) | 27 (81.8) | |
| Bs & Cs | 17 (23.9) | 12 (31.6) | 5 (15.2) | 0.27b |
| Cs & Ds | 2 (2.8) | 1 (2.6) | 1 (3.0) | |
| Computer experience: | ||||
| None at all | — | — | — | |
| Few times/yr | 7 (9.9) | 3 (7.9) | 4 (12.1) | |
| Few times/mo | 17 (23.9) | 11 (28.9) | 6 (18.2) | 0.73b |
| Few times/wk | 24 (33.8) | 12 (31.6) | 12 (36.4) | |
| Few times/day | 23 (32.4) | 12 (31.6) | 11 (33.3) |
note: Mean ages, in years (SD), were as follows: total study population, 10.69 (±1.14); intervention subjects, 10.92 (±1.17); comparison subjects, 10.42 (±1.06); signficance, 0.067a.
a Two-tailed t-test.
b Chi-square test.