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Table 2 Results from regression analysis, ANOVA and post-hoc tests of change from baseline scores

From: TRACK & ACT: a pragmatic randomised controlled trial exploring the comparative effectiveness of pedometers and activity trackers for changing physical activity and sedentary behaviour in inactive individuals

Outcome

Group

Group:Time Interaction (95% CI)

Estimated change at 16 weeks (95% CI)

One-way ANOVA

Post-hoc Dunnett’s test of Group:Time Interaction (95% CI) vs. PED

Estimated difference in change at 16 weeks (95% CI) vs. PED

Daily step count (steps/day)

PED

16.6 (− 49.4, 82.6)

266 (− 791, 1322)

F(3,42) = 1.21, p = 0.32

  
 

ONE

24.6 (− 34.4, 83.7)

394 (− 551, 1339)

 

8.0 (− 93.6, 109.6)

129 (− 1497, 1754)

 

UP

48.1 (− 10.9,107.2)

770 (− 174, 1715)

 

31.5 (− 70.1, 133.1)

504 (− 1120, 2130)

MVPA (minutes/day)

PED

0.03 (− 0.51, 0.56)

0.43 (− 8.12, 8.97)

F(3,42) = 0.39, p = 0.76

  
 

ONE

0.17 (− 0.31,0.64)

2.68 (− 4.96, 10.32)

 

0.14 (− 0.68, 0.96)

2.3 (− 10.9, 15.4)

 

UP

0.19 (− 0.28, 0.67)

3.11 (− 4.53, 10.75)

 

0.17 (− 0.65, 0.99)

2.7 (− 10.5, 15.8)

Sedentary behaviour (minutes/day)

PED

−4.4 (− 7.3, − 1.6)

−71 (− 116, − 25)

F(3,42) = 4.60, p = 0.007

  
 

ONE

−2.3 (− 4.8, 0.3)

−37 (− 77, 4)

 

2.2 (− 2.2, 6.5)

34 (− 35, 104)

 

UP

−1.1 (− 3.7, 1.4)

−18 (− 59, 22)

 

3.3 (− 1.1, 7.7)

53 (− 18, 123)

  1. PED = Digi-Walker SW200, ONE = Fitbit ONE, UP = Jawbone UP, BMI = body mass index, CI = confidence interval, ANOVA = analysis of variance, MVPA = moderate-vigorous physical activity