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Table 2 Participants’ Total Weekly Steps During the Trial

From: The Effect of Social Norm-based Intervention with Observable Behaviour on Physical Activity among Adolescents: A Randomized Controlled Trial

Time points

Anonymous arm

Onymous arm

Difference between two armsa

p-valueb

Baseline

59,926.6 ± 650.7

57,642.4 ± 565.2

  

Week 1

50,974.9 ± 757.5

51,623.4 ± 656.3

2932.7 ± 2643.3

0.267

Week 2

51,558.5 ± 737.9

52,253.6 ± 690.0

2979.3 ± 2734.2

0.276

Week 3

52,775.5 ± 740.9

50,290.0 ± 706.7

−201.3 ± 3191.5

0.950

Week 4

51,480.4 ± 781.0

53,210.1 ± 765.8

4013.9 ± 3504.4

0.252

Week 5

54,376.1 ± 803.8

52,743.6 ± 728.9

651.8 ± 2756.0

0.813

Week 6

52,498.8 ± 882.3

53,618.7 ± 766.2

3404.2 ± 3075.9

0.268

Week 7

53,541.0 ± 827.2

52,650.1 ± 840.4

1393.4 ± 2842.7

0.624

Week 8

52,123.3 ± 840.1

48,994.7 ± 759.0

− 844.4 ± 3186.9

0.791

Week 9

53,163.4 ± 889.3

50,114.6 ± 788.3

− 764.5 ± 3152.3

0.808

Week 10

51,895.7 ± 929.7

51,497.0 ± 794.7

1885.5 ± 3211.0

0.557

Week 11

53,008.3 ± 858.4

52,479.6 ± 881.6

1755.5 ± 3496.3

0.616

Week 12

52,500.2 ± 794.5

52,144.8 ± 945.9

1928.8 ± 3330.3

0.562

Week 13

53,063.0 ± 891.8

52,385.4 ± 847.6

1606.7 ± 3394.0

0.636

Week 14

52,685.7 ± 908.4

51,689.4 ± 864.3

1288.0 ± 2953.9

0.663

Week 15

54,081.7 ± 810.1

52,269.8 ± 859.3

472.4 ± 3171.0

0.882

Week 16

55,427.0 ± 821.2

52,332.4 ± 965.4

−810.4 ± 3376.9

0.810

  1. aDifference between two arms refers to the difference between the two study arms after taking the difference between the baseline step count and the total weekly step count of a particular week
  2. bP value for the difference between the two arms from mixed-effects model repeated measures; alpha level p < 0.05