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Table 1 Baseline characteristics of the KNW study sample (N = 462)

From: Long-term effects of a web-based cancer aftercare intervention on moderate physical activity and vegetable consumption among early cancer survivors: a randomized controlled trial

 

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**

  1. Note.: Abbreviations: BMI body mass index, M mean, SD standard deviation, KNW Kanker Nazorg Wijzer
  2. 1 p-value for dichotomous variables from chi-square test; for continuous variables independent t-test; significant result (p <0.05)
  3. 2married, cohabiting partners
  4. 3Low: lower vocational education, medium general secondary education; Medium: secondary vocational education, higher general secondary education; High: higher vocational education, university education
  5. 4Intervention group N = 225; Control group N = 226
  6. *p < .05< **p < .01