First author | Design | Study population characteristics | |||||
---|---|---|---|---|---|---|---|
N | Age (mean (SD)) | % Female | Socioeconomic position | ||||
Low | Intermediate | High | |||||
van Berkel [25] | RCT | 257 | 45·5 (9·5) | 67% | 2% | 17% | 81% |
Brug [26] | RCT | 315 | 39·9 (10·1) | 98% | 54% | 44% | 2% |
Coffeng [27] | C-RCT1 | 413 | 41·3 (10·3) | 40% | 2% | 42% | 56% |
Engbers [28] | CT | 531 | 45·4 (9·2) | 40% | 3% | 31% | 67% |
Groeneveld [23] | RCT | 816 | 46·1 (9·3) | 0% | 76% | 24% | 0% |
Houkes [29] | CT | 205 | 48·6 (9·3) | 13% | 10% | 62% | 27% |
Kouwenhoven-Pasmooij [30] | C-RCT | 451 | 50·9 (5·6) | 18% | 18% | 53% | 28% |
Oenema [31] | RCT1 | 765 | 41·4 (9·0) | 41% | 20% | 38% | 41% |
Robroek [32] | C-RCT | 924 | 42·1 (10·1) | 51% | 22% | 33% | 45% |
Steenhuis [33] | C-RCT | 928 | 38·0 (9·8) | 38% | 2% | 37% | 60% |
Strijk [34] | RCT | 730 | 52·9 (4·9) | 75% | 10% | 29% | 61% |
Verweij [35] | C-RCT | 522 | 46·7 (8·3) | 37% | 12% | 35% | 53% |
Viester [36] | RCT | 314 | 46·6 (9·7) | 0% | 73% | 26% | 1% |
van Wier [37] | RCT1 | 1320 | 43·4 (8·6) | 34% | 5% | 35% | 60% |
Wierenga [38] | CT | 218 | 43·1 (11·4) | 78% | 3% | 17% | 79% |
Total | 8709 | 44·3 (9·8) | 40% | 20% | 34% | 47% |