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Table 4 Short- and long-term intervention effects on participants meeting objectively assessed and self-reported MVPA and steps guidelines

From: Short- and long-term effectiveness of a three-month individualized need-supportive physical activity counseling intervention at the workplace

  Intervention group Reference group Short-term
intervention effect
Long-term
intervention effect
  Baseline Post
(3 months)
Follow-up
(9 months)
Baseline Post
(3 months)
Follow-up
(9 months)
Main effect
of time
2x2 interactiona ES Main effect
of time
3x2 interactionb ES
  % % % % % % χ 2 χ 2 d χ 2 χ 2 d
SWA-based PA
Steps guidelinec, % meeting guideline
 Weekdays 34 51 43 40 34 44 1.997 9.548** 0.37 3.658 10.107** 0.38
 Weekend days 43 61 56 42 46 51 5.357* 1.580 0.15 6.071* 1.953 0.16
 Average days 36 58 46 38 35 44 7.545** 12.422*** 0.42 8.041* 13.910** 0.45
MVPA guidelined, % meeting guideline             
 Weekdays 50 67 66 60 62 63 4.949* 2.804 0.20 5.617 2.787 0.20
 Weekend days 63 72 69 43 62 58 8.751** 0.883 0.11 10.034** 1.048 0.12
 Average days 55 76 71 53 69 63 21.261*** 0.537 0.09 21.846*** 0.721 0.10
Self-reported PA             
 MVPA guidelined, % meeting guideline 61 83 76 63 66 81 10.167** 6.163* 0.29 15.406*** 9.408** 0.36
  1. SWA SenseWear Armband, PA physical activity, MVPA moderate-to-vigorous physical activity, ES Effect size
  2. *p < .05, **p < .01, ***p < .001
  3. a2(time) x 2(group) interaction effect; b3(time) x 2(group) interaction effect; c ≥ 10,000 steps per day; d ≥ 30 min of daily moderate-to-vigorous physical activity