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Table 2 Engagement by intervention group

From: Engagement, acceptability, usability and satisfaction with Active for Life, a computer-tailored web-based physical activity intervention using Fitbits in older adults

 

Total M (SD)

Tailoring + Fitbit M (SD)

Tailoring only M (SD)

Between group comparison (F(df), p)

Time on Site (minutes [0–12 weeks]) n = 173a

99.85 (73.70)

103.46 (70.63)

96.90 (76.37)

0.34(1,172), p = .56

Website visits (total [0–12 weeks]) n = 173a

9.50 (6.08)

9.86 (6.05)

9.21 (6.12)

0.49(1,172), p = .49

Time reading tailored advice (minutes [0–12 weeks]) n = 173a

20.76 (18.60)

22.34 (17.83)

19.46 (19.20)

1.02(1,172), p = .31

Module Completion (min = 0, max = 6) n = 174

4.45 (2.17)

4.72 (2.04)

4.23 (2.25)

2.24(1,173), p = .14

Time on exercise plans (minutes 0–12 weeks) n = 173a

4.98 (12.44)

3.14 (6.92)

6.49 (15.46)

2.87(1,172) p = 0.06

Exercise plan views (total 0–12 weeks) n = 173a

2.52 (3.36)

2.06 (2.50)

2.89 (3.90)

3.59(1,172), p = 0.92

Time on Action plans (minutes 0–12 weeks) n = 173a

14.23 (14.47)

16.10 (14.63)

12.69 (14.24)

2.40(1,172), p = .12

Action plan completion (min = 0, max = 2), n = 174

n (%)

n (%)

n (%)

Reference = Tailoring only

OR (95%CI), p

0

59 (33.9)

23 (29.5)

36 (37.5)

1

1

59 (33.9)

39 (50.0)

20 (20.8)

1.70 (1.12–2.56), p = .012

2

56 (32.2)

16 (20.5)

40 (41.7)

0.41 (0.27–0.63) p < .001

  1. aGoogle analytics data were missing for 1 participant