Table 1.
Baseline characteristics of the KNW study sample (N = 462)
| Intervention group (N = 231) | Control group (N = 231) | P 1 | |
|---|---|---|---|
| Demographic characteristics | |||
| Female, n (%) | 183 (79.2) | 186 (80.5) | .728 |
| Age, M (SD) | 55.6 (11.5) | 56.2 (11.3) | .596 |
| Marital status, with partner2, n (%) | 193 (83.5) | 184 (79.7) | .280 |
| Education level3 n (%) | |||
| Low | 76 (32.9) | 97 (42.0) | .113 |
| Medium | 76 (32.9) | 70 (30.3) | |
| High | 79 (34.2) | 64 (27.7) | |
| Employed, yes, n (%) | 122 (52.8) | 111 (48.1) | .306 |
| Income below average, n (%) | 28 (12.1) | 42 (18.2) | .192 |
| Income average, n (%) | 84 (36.4) | 78 (33.8) | |
| Income above average, n (%) | 119 (51.5) | 111 (48.3) | |
| Cancer-related characteristics | |||
| Breast cancer, n (%) | 162 (70.1) | 164 (71.0) | .838 |
| Other types of cancer, n (%) | 69 (29.9) | 67 (29.0) | |
| Treatment, n (%) | |||
| Surgery, chemotherapy, radiation | 86 (37.2) | 108 (46.8) | .046* |
| Surgery, chemotherapy | 61 (26.4) | 48 (20.8) | |
| Surgery, radiation | 46 (19.9) | 30 (13.0) | |
| Other | 38 (16.5) | 45 (19.5) | |
| Aftercare, yes, n (%) | 145 (62.8) | 141 (61) | .702 |
| Number of aftercare activities, M (SD) | 1.1 (1.1) | 1 (1.0) | .402 |
| Comorbidity, yes, n (%) | 62 (26.8) | 63 (27.3) | .917 |
| Number of comorbidities, M (SD) | 0.3 (0.6) | 0.4 (0.7) | .600 |
| Time since completion primary treatment (weeks), M (SD) | 25.1 (13.5) | 23.4 (12.9) | .187 |
| BMI, M (SD) | 26.0 (5.0) | 26.5 (4.9) | .295 |
| BMI, n (%) | .593 | ||
| < 18.5, underweight | 2 (0.9) | 3 (1.3) | |
| 18.5–24.9, normal weight | 105 (45.5) | 93 (40.3) | |
| 25.0–29.9, overweight | 90 (39.0) | 96 (41.6) | |
| 30.0–34.9, obese | 24 (10.4) | 32 (13.9) | |
| ≥ 40, morbidly obese | 10 (4.3) | 7 (3.0) | |
| Lifestyle-related characteristics | |||
| Physical activity, M (SD)4 | |||
| Weekly days > 30 min PA; | 4.9 (1.9) | 4.6 (2.0) | .089 |
| Light PA min p/w | 1521.5 (897.9) | 1430.2 (897.7) | .281 |
| Moderate PA min p/w | 595.9 (620.5) | 526.5 (546.5) | .200 |
| Vigorous PA min p/w | 231.0 (323.9) | 238.0 (426.0) | .844 |
| Dietary behavior, M (SD) | |||
| Vegetable intake, g p/d | 138.5 (67.9) | 124.2 (57.5) | .015* |
| Fruit intake, servings p/d | 1.8 (1.2) | 1.6 (1.0) | .071 |
| Whole grain bread, slices p/d | 3.1 (1.8) | 2.8 (1.5) | .046* |
| Fish intake, servings per week | 1.9 (1.9) | 1.4 (1.3) | .001** |
Note.: Abbreviations: BMI body mass index, M mean, SD standard deviation, KNW Kanker Nazorg Wijzer
1 p-value for dichotomous variables from chi-square test; for continuous variables independent t-test; significant result (p <0.05)
2married, cohabiting partners
3Low: lower vocational education, medium general secondary education; Medium: secondary vocational education, higher general secondary education; High: higher vocational education, university education
4Intervention group N = 225; Control group N = 226
*p < .05< **p < .01