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Table 1 Baseline descriptive characteristics of participants by study and intervention usage group

From: Associations between app usage and behaviour change in a m-health intervention to improve physical activity and sleep health in adults: secondary analyses from two randomised controlled trials

 

Group

Intervention usage group

 

Control n = 135

Intervention n = 190

Low Usage n = 34

Mid Usage n = 60

High Usage n = 94

Total N = 325

 

M (SD), n (%)

M (SD), n (%)

M (SD), n (%)

M (SD), n (%)

M (SD), n (%)

M (SD), n (%)

Age (years)

46.19 (10.39)

47.22 (9.71)

47.12 (9.37)

45.47 (10.53)

48.30 (9.29)

46.76 (10.02)

Education (years)

16.26 (2.90)

16.11 (2.77)

16.03 (3.05)

15.73 (2.99)

16.38 (2.53)

16.17 (2.82)

BMI

27.67 (4.09)

28.50 (4.27)

28.71 (4.48)

29.30 (4.33)

27.89 (4.10)

28.15 (4.21)

ASI Score

46.83 (10.03)

47.83 (11.56)

44.19 (14.11)

47.58 (10.54)

49.06 (10.90)

47.34 (10.91)

Sex

      

 Male

26 (19.26%)

35 (18.42%)

7 (20.59%)

12 (20.00%)

16 (17.02%)

61 (18.89%)

 Female

109 (80.74%)

155 (81.58%)

27 (79.41%)

48 (80.00%)

78 (82.98%)

262 (81.11%)

Income/Yr

      

 ≤ $30,000

32 (23.70%)

30 (15.79%)

2 (5.88%)

11 (18.33%)

17 (18.09%)

62 (19.20%)

 $30,001–$50,000

14 (10.37%)

26 (13.68%)

3 (8.82%)

6 (10.00%)

17 (18.09%)

40 (12.38%)

 $50,001–$70,000

26 (19.26%)

39 (20.53%)

8 (23.53%)

18 (30.00%)

13 (13.83%)

65 (20.12%)

 $70,001–$100,000

25 (18.52%)

47 (24.74%)

7 (20.59%)

13 (21.67%)

26 (27.66%)

71 (21.98%)

 ≥ $100,001

30 (22.22%)

30 (15.79%)

10 (29.41%)

8 (13.33%)

11 (11.70%)

59 (18.27%)

 Don’t know/no answer

8 (5.93%)

18 (9.47%)

4 (11.76%)

4 (6.67%)

10 (10.64%)

26 (8.05%)

Employment group

      

 Professional

85 (62.96%)

107 (56.32%)

21 (61.76%)

31 (51.67%)

55 (58.51%)

192 (59.44%)

 White-collar

18 (13.33%)

37 (19.47%)

6 (17.65%)

16 (26.67%)

14 (14.89%)

54 (16.72%)

 Blue-collar

5 (3.70%)

4 (2.11%)

0 (0.00%)

1 (1.67%)

3 (3.19%)

9 (2.79%)

 Not workinga

27 (20.00%)

42 (22.11%)

7 (20.59%)

12 (20.00%)

22 (23.40%)

68 (21.05%)

  1. aEmployment group not working includes retired, unemployed, home duties, looking for work, student, and other. Low, Mid and High usage defined as usage score of 0–10.0, 10.1–20.0 and 20.1–30.0, respectively