Table 1.
Baseline characteristics—intention-to-treat analysis.
| Variable | Control group (n=313) |
Intervention group (n=258) |
Total (n=571) |
t 569 | χ2 1 | P | |
| Age (years), mean (SD) | 52.7 (8.1) | 53.8 (9.2) | 53.2 (8.6) | –1.52 |
|
.13 | |
| Sex, n (%) |
|
|
|
|
|
|
|
|
|
Female | 170 (54.3) | 122 (47.3) | 292 (51.1) |
|
|
|
|
|
Male | 143 (45.7) | 136 (52.7) | 279 (48.9) |
|
0.2 | .69 |
| Indication, n (%) |
|
|
|
|
|
|
|
|
|
Coronary heart disease | 115 (36.7) | 99 (38.4) | 214 (37.5) |
|
|
|
|
|
Chronic back pain | 198 (63.3) | 159 (61.6) | 357 (62.5) |
|
2.8 | .10 |
| Education, n (%) |
|
|
|
|
|
|
|
|
|
≤10 years of school | 236 (75.5) | 172 (66.8) | 408 (71.5) |
|
|
|
|
|
>10 years of school | 77 (24.5) | 86 (33.2) | 163 (28.5) |
|
4.9 | .03 |
| Net equivalent income per month (€), mean (SD) | 1679 (621) | 1713 (633) | 1695 (627) | –0.62 |
|
.56 | |
| BMI (kg/m2), mean (SD) | 28.3 (5.3) | 27.9 (5.2) | 28.1 (5.2) | 0.82 |
|
.41 | |
| Exercise frequency (scale 0-10), mean (SD) | 3.89 (2.88) | 4.27 (2.81) | 4.06 (2.85) | –1.61 |
|
.11 | |
| Attention paid to a healthy diet (scale 0-10), mean (SD) | 5.61 (2.37) | 5.59 (2.60) | 5.60 (2.47) | 0.10 |
|
.92 | |