Subject characteristics for the contemplation and preparation stages. Values are mean (SD) unless otherwise specified.
| Items | Contemplation | Preparation | ||||||
|---|---|---|---|---|---|---|---|---|
| JIA, n = 1 | JDM, n = 0 | CF, n = 1 | Total, n = 2 | JIA, n = 14 | JDM, n = 8 | CF, n = 4 | Total, n = 26 | |
| Age, yrs | 14 | — | 14 | 14 (0) | 15 (1.7) | 15.8 (1.2) | 12 (1.0) | 14.8 (1.9) |
| Sex, n | ||||||||
| Male | 0 | — | 1 | 1 | 3 | 3 | 4 | 10 |
| Female | 1 | — | 0 | 1 | 11 | 5 | 0 | 16 |
| Medical status | ||||||||
| Disease severity, out of 100 | 0 | — | 16 | 8.5 (10.6) | 19 (18) | 24 (28) | 22 (24) | 20 (22) |
| CHAQ, out of 10 | 0 | — | 0 | 0 (0) | 0.26 (0.43) | 0.1 (0.1) | 0.1 (0.1) | 0.2 (0.35) |
| CHAQ illness VAS | 0 | — | 0 | 0 (0) | 1.4 (1.2) | 1.2 (2.1) | 1.9 (1.9) | 1.4 (1.6) |
| CHAQ pain VAS | 0.8 | — | 0 | 0.38 (0.53) | 1.2 (1.1) | 2.0 (2.9) | 1.5 (2.9) | 1.5 (2.0) |
| CHAQ QOL VAS | 1.2 | — | 0 | 0.6 (0.85) | 1.2 (1.5) | 1.2 (1.6) | 0.9 (1.8) | 2.4 (2.3) |
| Psychosocial | ||||||||
| Self-efficacy | 3.0 | — | 2.6 | 2.8 (0.3) | 2.8 (0.6) | 2.8 (0.5) | 2.6 (0.7) | 2.7 (0.6) |
| Decisional balance, pros | 3.4 | — | 4.1 | 3.8 (0.5) | 3.7 (0.9) | 3.3 (0.3) | 2.3 (0.8) | 3.4 (0.9) |
| Decisional balance, cons | 2.3 | — | 3.0 | 2.7 (0.5) | 2.8 (1.0) | 2.7 (0.8) | 2.3 (0.8) | 2.7 (0.9) |
| Process of change, behavioral | 3.0 | — | 2.3 | 2.7 (0.5) | 2.9 (0.7) | 2.7 (0.5) | 2.1 (0.3) | 2.7 (0.6) |
| Process of change, cognitive | 3.1 | — | 2.8 | 3.0 (0.2) | 2.9 (0.6) | 2.9 (0.6) | 2.1 (0.6) | 2.8 (0.7) |
| Physical activity, mins | ||||||||
| Sedentary | 543 | — | — | 543 | 475 (73) | 545 (79) | 438 (104) | 492 (85) |
| Light | 158 | — | — | 158 | 158 (36) | 157 (46) | 257 (25) | 174 (52) |
| Moderate | 38 | — | — | 38 | 18 (17) | 18 (14) | 25 (3) | 20 (15) |
| Vigorous | 12 | — | — | 12 | 6 (6) | 5 (5) | 14 (5) | 7 (6) |
| MVPA | 56 | — | — | 56 | 26 (24) | 25 (19) | 42 (7) | 29 (21) |
JIA: juvenile idiopathic arthritis; JDM: juvenile dermatomyositis; CF: cystic fibrosis; CHAQ: Childhood Health Assessment Questionnaire; VAS: visual analog scale; QOL: quality of life; pros: advantages; cons: disadvantages; MVPA: moderate and vigorous physical activity.