Table 6.
Differences in self reported physical activity at programme end and one year follow-up between intervention groups and comparator arm (exercise only)
| Intervention group | Programme end | One year | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean difference in kcal/week (95% CI) | P value | Adjusted mean difference* in kcal/week (95% CI) | P value | Mean difference in kcal/week (95% CI) | P value | Adjusted mean difference* in kcal/week (95% CI) | P value | ||
| Weight Watchers | 319 (−676 to 1314) | 1.000 | 298 (−688 to 1284) | 1.000 | 282 (−740 to 1304) | 1.000 | 233 (−795 to 1260) | 1.000 | |
| Slimming World | 291 (−704 to 1285) | 1.000 | −299 (−694 to 1293) | 1.000 | −404 (−1426 to 618) | 1.000 | −325 (−1361 to 710) | 1.000 | |
| Rosemary Conley | 193 (−802 to 1188) | 1.000 | 4 (−1000 to 992) | 1.000 | −336 (−1359 to 686) | 1.000 | −640 (−1678 to 398) | 1.000 | |
| NHS Size Down | −127 (−1122 to 868) | 1.000 | −144 (−1142 to 854) | 1.000 | −337 (−1359 to 685) | 1.000 | −258 (−1299 to 782) | 1.000 | |
| General practice | 287 (−809 to 1383) | 1.000 | 238 (−856 to 1333) | 1.000 | −904 (−2031 to 222) | 0.808 | −849 (−1990 to 292) | 1.000 | |
| Pharmacy | 1112 (16 to 2208) | 0.328 | 1350 (−222 to 2479) | 0.133 | −293 (−1420 to 833) | 1.000 | −345 (−1521 to 831) | 1.000 | |
| Choice | 378 (−617 to 1373) | 1.000 | 228 (−762 to 1217) | 1.000 | −123 (−1146 to 899) | 1.000 | −254 (−1285 to 777) | 1.000 | |
Positive difference favours intervention arm. P values adjusted to maintain overall 5% type 1 error rate across seven comparisons; 95% confidence intervals not adjusted.
*Adjusted for weight at baseline, physical activity at baseline, age, sex, and ethnic group.