From: The impact of non-responders on health and lifestyle outcomes in an intervention study
Total | Primary non-responders | Primary responders | ||||
---|---|---|---|---|---|---|
N = 495 | N = 179 | N = 316 | ||||
n | N (%) | N (%) | OR (95% CI) | OR (95% CI)* | ||
Socio-demographic factors at baseline | Sex | |||||
Male | 132 | 59 (33%) | 73 (23%) | 1.64 (1.06-2.50) | 1.69 (1.09-2.63) | |
Female | 363 | 120 | 243 | 1 | 1 | |
Age | ||||||
≤30 years | 153 | 66 (37%) | 87 (28%) | 1.51 (1.01-2.13) | 1.44 (0.95-2.20) | |
>30 years | 342 | 113 | 229 | 1 | 1 | |
Civil status | ||||||
Single | 143 | 56 (31) | 87 (28) | 1.17 (0.76-1.78) | 1.03 (0.6-1.59) | |
Cohabitant | 347 | 123 | 224 | 1 | 1 | |
School education | ||||||
Primary and lower secondary school | 324 | 119 (66%) | 205 (65%) | 1.07 (0.72-1.61) | 1.01 (0.66-1.54) | |
Graduated | 171 | 60 | 111 | 1 | 1 | |
Professional training | ||||||
No | 140 | 56 (31%) | 84 (27%) | 1.26 (0.82-1.91) | 120 (0.77-1.87) | |
Yes | 355 | 123 | 232 | 1 | ||
Health-related questions at baseline | Self-rated health | |||||
Bad | 71 | 28 (16%) | 43 (14%) | 1.18 (0.68-2.03) | 1.13 (0.60-2.13) | |
Good | 424 | 151 | 273 | 1 | 1 | |
PCS-SF12 | ||||||
< median (low) | 241 | 79 (45%) | 163 (52%) | 0.75 (0.51-1.11) | 0.80 (0.52-1.23) | |
> median (high) | 242 | 95 | 147 | 1 | 1 | |
MCS-SF12 (N = 483) | ||||||
< median (low) | 241 | 93 (53%) | 148 (48%) | 1.25 (0.85-1.84) | 1.23 (0.84-1.96) | |
> median (high) | 242 | 81 | 161 | 1 | 1 | |
Number of problems at baseline (0–33) | ||||||
Many problems (10+) | 231 | 82 (47%) | 149 (48%) | 0.97 (0.66-1.43) | 0.91 (0.59-1.38) | |
Fewer problems (7–9) | 254 | 92 | 162 | 1 | 1 | |
Medical contacts per year | ||||||
>5 | 224 | 76 (43%) | 148 (47%) | 0.84 (0.57-1.24) | 0.82 (0.54-1.24) | |
≤5 | 269 | 102 | 167 | 1 | 1 | |
Smoking | ||||||
Yes | 265 | 102 (59%) | 163 (52%) | 1.29 (0.87-1.91) | 1.47 (0.98-2.19) | |
No | 220 | 72 | 148 | 1 | 1 | |
Factors related to the intervention study | Randomized toIntervention | 240 | 88 (49%) | 152 (48%) | 1.04 (0.71-1.53) | 0.97 (0.66-1.42) |
Control | 255 | 91 | 164 | 1 | 1 | |
Number of included patients per physician | ||||||
Few (≤13) | 115 | 49 (27%) | 66 (21%) | 1.43 (0.91-2.23) | 1.39 (0.88-2.18) | |
Many (>13) | 380 | 130 | 250 | 1 | 1 |