Table 2 Baseline characteristics of participants with information on all covariates and outcomes, by experimental condition

Age (years), mean (SD)

64.9 (8.2)

64.0 (12.8)

68.6 (9.2)

64.4 (14.1)

combined vs physical: ^*

combined vs social ^**

combined vs control ^*

 Female

44.2%

47.4%

47.4%

43.2%

 Male

55.8%

52.6%

52.6%

56.8%

Region of birth

^{** 1}

 The Netherlands

69.8%

69.1%

93.9%

59.3%

 Western

3.9%

6.2%

1.4%

0.0%

 Non-Western

26.4%

24.7%

4.7%

40.7%

 Not employed

65.9%

69.1%

79.1%

72.8%

 Part time employed

11.6%

11.3%

9.5%

7.4%

 Fulltime employed

22.5%

19.6%

11.5%

19.8%

Relationship

^{* 1}

 Not in a relationship

37.0%

43.3%

43.30%

37.0%

 In a relationship

63.0%

56.7%

56.7%

63.0%

Educational levels

^{** 1}

 No

9.3%

6.2%

0%

11.1%

 Low

51.9%

29.9%

41.2%

49.4%

 Middle

31.8%

35.1%

46.6%

30.9%

 High

7.0%

28.9%

12.2%

8.6%

Total walking at baseline, mean minutes per week (SD)

481.7 (520.7)

425.3 (482.0)

334.6 (306.1)

514.1 (513.1)

combined vs physical ^*

combined vs control ^*

Recreational walking at baseline, mean minutes per week (SD)

179.7 (267.2)

147.8 (233.5)

177.4 (216.4)

179.3 (249.9)

Utilitarian walking at baseline, mean minutes per week (SD)

302.1 (332.2)

277.5 (306.5)

157.2 (184.1)

334.8 (355.4)

combined vs physical: ^**

combined vs social ^**

combined vs control ^**