Table I.
Demographic and Illness Characteristics
| Variable, n (%) or M (SD) | Combined sample (n = 226) | Cystic fibrosis (n = 68) | Type 1 diabetes (n = 90) | Asthma (n = 68) | Test statistica | p-value |
|---|---|---|---|---|---|---|
| Child age | 12.97 (3.14) | 13.01 (2.94) | 13.61 (3.20) | 12.09 (3.08) | F = 4.71 | .01 |
| Parent age | 42.44 (7.23) | 42.68 (6.51) | 43.64 (7.70) | 40.60 (7.02) | F = 3.54 | .03 |
| Child sex (female) | 112 (49) | 32 (47) | 52 (58) | 28 (41) | χ2 = 4.51 | .12 |
| Parent sex (female) | 199 (88) | 56 (82) | 79 (88) | 64 (94) | χ2 = 4.48 | .11 |
| Child race | χ2 = 33.14 | <.0001 | ||||
| White | 163 (72) | 61 (90) | 70 (78) | 32 (47) | ||
| African-American/Black | 48 (21) | 5 (7) | 16 (18) | 27 (40) | ||
| Asian | 4 (2) | 0 | 2 (2) | 2 (3) | ||
| Amer. Indian/Alaskan Native | 1 (<1) | 1 (1) | 0 | 0 | ||
| Other | 10 (4) | 1 (1) | 2 (2) | 7 (10) | ||
| Parent education | χ2 = 12.21 | .27 | ||||
| Some high school | 5 (2) | 0 (0) | 1 (1) | 4 (6) | ||
| Completed high school | 40 (18) | 14 (21) | 12 (13) | 14 (21) | ||
| Some college or technical school | 78 (35) | 24 (35) | 32 (36) | 22 (32) | ||
| College graduate | 59 (26) | 14 (21) | 30 (33) | 15 (22) | ||
| Some post-graduate education | 17 (7) | 7 (10) | 5 (6) | 5 (7) | ||
| Masters, PhD, MD, law degree | 27 (12) | 9 (13) | 10 (11) | 8 (12) | ||
| Incomeb | χ2 = 25.90 | .004 | ||||
| Less than $19 999 | 19 (9) | 3 (4) | 5 (6) | 11 (16) | ||
| $20 000–$39 999 | 32 (15) | 8 (12) | 6 (7) | 18 (26) | ||
| $40 000–$59 999 | 36 (16) | 15 (22) | 13 (15) | 8 (12) | ||
| $60 000–$79 999 | 34 (15) | 9 (13) | 16 (18) | 9 (13) | ||
| $80 000–$99 999 | 35 (16) | 10 (15) | 17 (19) | 8 (12) | ||
| More than $100 000 | 65 (29) | 21 (31) | 31 (35) | 13 (19) | ||
| Illness duration (years) | 8.53 (4.85) | 11.63 (3.93) | 5.62 (3.95) | 9.61 (4.46) | F = 42.21 | <.0001 |
| Illness severity (1–5; parent report) | 3.52 (0.97) | 3.09 (0.84) | 3.86 (0.94) | 3.51 (0.98) | F = 13.38 | <.0001 |
aFor comparison of illness groups.
bData related to income were missing for five participants.