Changes from the end of the first intervention year to the end of the second for perceived health and functioning.
| Variables | Year 1, n | Year 1, Mean (SD) | Year 2, n | Year 2–Year 1, β (SE) | p |
|---|---|---|---|---|---|
| Health, VAS, 0–100 | 171 | 26 (21.8) | 169 | 2.94 (1.55) | 0.0574 |
| Pain, VAS, 0–100 | 174 | 24 (21.3) | 173 | 2.13 (1.53) | 0.1628 |
| Fatigue, VAS, 0–100 | 174 | 32 (24.5) | 173 | 0.79 (1.6) | 0.6223 |
| Quality of life, EQ-5D, 0–100 | 170 | 76 (18.1) | 170 | −2.87 (1.39) | 0.0395 |
| Activity limitation, HAQ-DI, 0–3 | 174 | 0.30 (0.42) | 174 | 0.04 (0.01) | 0.0038 |
| Exercise self-efficacy, 6–60 | 167 | 33 (12.0) | 164 | 0.01 (0.96) | 0.9947 |
| Fear avoidance beliefs, 0–24 | 172 | 5 (4.2) | 172 | −0.44 (0.27) | 0.0989 |
| Social support, 0–65 | |||||
| Family | 152 | 24 (12.6) | 142 | 0.62 (1.02) | 0.5454 |
| Friends | 159 | 29 (13.1) | 162 | −0.91 (1.09) | 0.4043 |
| OE longterm health = 10, n (%)* | 174 | 141 (81) | 174 | 153 (88) | 0.0186 |
| OE RA symptoms = 10, n (%)* | 174 | 76 (44) | 174 | 97 (56) | 0.0010 |
| VO2max, ml/kg/min | 135 | 30.0 (7.95) | 133 | −0.73 (0.45) | 0.1001 |
| Time standing, s | 169 | 18 (6.6) | 166 | 0.28 (0.36) | 0.4474 |
| Grip strength max, right, n | 172 | 235 (112.0) | 172 | −7.12 (3.3) | 0.0309 |
| BMI, kg/m2 | 172 | 26 (4.9) | 168 | 0.01 (0.11) | 0.9457 |
| Waist circumference, cm | 172 | 90 (13.8) | 170 | −0.85 (0.32) | 0.0070 |
| Systolic blood pressure, mmHg | 171 | 134 (18.0) | 168 | −2.33 (1.11) | 0.0351 |
| Diastolic blood pressure, mmHg | 171 | 82 (9.1) | 168 | −1.16 (0.6) | 0.0530 |
↵* Does not indicate change Year 2–Year 1, but proportions with OE = 10 and p values indicating changes in proportions. Alpha level set at 0.05 (shown in bold face). Health: general health perception; VAS: visual analog scale; HAQ-DI: Health Assessment Questionnaire–Disability Index; OE: outcome expectations; VO2max: maximal oxygen uptake; RA: rheumatoid arthritis; BMI: body mass index.