Table 2.
Differences in demographics, health status and lifestyle between non-completers and completers (N = 3053)
| Variable | Non-completer n = 2167 |
Completers n = 886 |
T (P) | χ2 (P) | ES | |||
| Age | 41.85 (SD = 12.64) | 47.21 (SD = 11.96) | 11.07 (P < .001) | 0.43 | ||||
| Gender | ||||||||
| Male | 1202 (55.5%) | 450 (50.8%) | ||||||
| Female | 965 (44.5%) | 435 (49.2%) | 6.58 (P = .037) | 0.09 | ||||
| Education | ||||||||
| Low | 212 (9.8%) | 120 (13.6%) | ||||||
| Medium | 1007 (46.7%) | 424 (48.0%) | ||||||
| High | 938 (43.5%) | 339 (38.4%) | 13.35 (P = .010) | 0.13 | ||||
| Income per month a | ||||||||
| < € 1750 | 504 (23.3%) | 221 (25.0%) | ||||||
| € 1751 - € 3050 | 1040 (48.0%) | 437 (49.5%) | ||||||
| > € 3051 | 621 (28.7%) | 225 (25.5%) | 4.46 (P = .347) | 0.08 | ||||
| Employment situation | ||||||||
| Job | 1852 (85.6%) | 686 (77.7%) | ||||||
| No job | 311 (14.4%) | 197 (22.3%) | 33.34 (P < .001) | 0.21 | ||||
| Relationship status | ||||||||
| Single | 557 (25.8%) | 191 (21.8%) | ||||||
| In relationship | 1602 (74.2%) | 687 (78.2%) | 8.56 (P = .014) | 0.11 | ||||
| # persons in household | 2.99 (SD = 1.45) | 2.74 (SD = 1.25) | -4.86 (P < .001) | 0.18 | ||||
| Native country | ||||||||
| The Netherlands | 2075 (95.8%) | 838 (94.7%) | ||||||
| Other | 91 (4.2%) | 46 (5.3%) | 1.52 (P = .468) | 0.05 | ||||
| BMI | 25.00 (SD = 3.93) | 25.54 (SD = 3.84) | 3.47 (P = .001) | 0.14 | ||||
| Quality of Life | 40.19 (SD = 5.06) | 39.39 (SD = 5.64) | -3.64 (P < .001) | 0.15 | ||||
| K10 | 44.71 (SD = 5.75) | 44.41 (SD = 6.12) | -1.27 (P = .203) | 0.05 | ||||
| Adherence to guidelines | 2.83 (SD = .96) | 3.12 (SD = .88) | 8.22 (P < .001) | 0.31 | ||||
| Physical activity | ||||||||
| Compliance | 1698 (78.4%) | 761 (86.0%) | ||||||
| Non-compliance | 469 (21.6%) | 124 (14.0%) | 23.62 (P < .001) | 0.18 | ||||
| Vegetable consumption | ||||||||
| Compliance | 501 (23.1%) | 253 (28.6%) | ||||||
| Non-compliance | 1666 (76.9%) | 632 (71.4%) | 10.43 (P = .005) | 0.12 | ||||
| Fruit consumption | ||||||||
| Compliance | 801 (37.0%) | 388 (43.8%) | ||||||
| Non-compliance | 1366 (63.0%) | 497 (56.2%) | 13.14 (P = .001) | 0.13 | ||||
| Alcohol intake | ||||||||
| Compliance | 1459 (67.3%) | 632 (71.4%) | ||||||
| Non-compliance | 708 (32.7%) | 253 (28.6%) | 5.32 (P = .070) | 0.08 | ||||
| Smoking | ||||||||
| Compliance | 1671 (77.1%) | 731 (82.5%) | ||||||
| Non-compliance | 496 (22.9%) | 154 (17.4%) | 11.56 (P = .003) | 0.12 | ||||
| Condition | ||||||||
| Sequential | 998 (46.1%) | 537 (60.7%) | ||||||
| Simultaneous | 1169 (53.9%) | 348 (39.3%) | 54.74 (P < .001) | 0.27 | ||||
a Note: Respondents who did not want to report their income were classified in the category “€ 1751 - € 3050”