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Table 3 Physical Activity Outcomes at Baseline and Post-Intervention by Treatment Group

From: Changes in diet and physical activity resulting from the Strong Hearts, Healthy Communities randomized cardiovascular disease risk reduction multilevel intervention trial

Outcome Baseline
Mean (SE)
Post-intervention
Mean (SE)
Pre-post change
Control SHHC Intervention Adjusted differenceb,c
Control SHHC Intervention Control SHH Intervention Mean (95% CI) a p-value Mean (95% CI) a p-value Mean (95% CI) p-value
Accelerometer
Average daily step count 4687.9 (243.2) 4698.1 (718.2) 5220.5 (325.2) 5870.5 (304.5) 330.5 (− 626.5, 1287.4) .498 912.4 (−498.1, 2322.8) .201 581.9 (− 976.8, 2140.6) .462
Light activity, average min/day 305.4 (9.3) 307.0 (8.8) 313.3 (11.6) 328.1 (9.9) 4.9 (−27.0, 36.8) .764 16.1 (−13.9, 46.0) .292 11.2 (−29.3, 51.6) .588
MVPA, average min/day 14.2 (1.4) 14.6 (1.5) 17.0 (2.5) 22.1 (2.6) 2.5 (−4.2, 9.1) .468 7.3 (0.9, 13.7) .026 4.8 (−3.5, 13.2) .254
Sedentary time, average min/day 521.5 (10.2) 503.3 (9.3) 504.7 (13.0) 500.3 (11.5) −13.9 (−41.9, 14.0) .328 −6.0 (−34.6, 22.5) .679 7.9 (−31.2, 47.0) .690
% of activity that is light intensity 36.2 (1.0) 37.0 (0.9) 37.4 (1.2) 38.6 (1.0) 0.9 (−2.2, 3.9) .569 1.3 (−1.7, 4.3) .388 0.4 (−3.6, 4.4) .831
% of activity that is MVPA 1.7 (0.2) 1.8 (0.2) 2.0 (0.3) 2.6 (0.3) 0.3 (−0.4, 1.0) .370 0.8 (0.1, 1.5) .025 0.5 (−0.4, 1.4) .307
% of total activity time that is sedentary 62.1 (1.0) 61.2 (0.9) 60.6 (1.3) 58.9 (1.2) −1.2 (−4.3, 1.9) .454 −2.1 (−5.2, 1.0) .182 −0.9 (−5.0, 3.2) .655
IPAQ
Total MET- min/week 593.8 (98.1) 702.0 (117.0) 1181.0 (281.0) 2080.4 (304.0) 499.2 (−150.5, 1148.8) .132 1296.6 (662.7, 1930.5) <.0001 797.4 (−92.4, 1687.2) .079
Walking MET- min/week 93.0 (18.0) 135.0 (23.9) 213.8 (31.4) 346.1 (31.0) 108.2 (30.9, 185.5) .006 221.7 (141.3, 302.2) <.0001 113.5 (12.8, 214.2) .027
Moderate MET-min/week 197.6 (41.6) 277.4 (65.8) 432.0 (129.2) 548.1 (100.8) 168.1 (−109.4, 445.6) .234 246.2 (8.6, 483.9) .042 78.2 (− 260.9, 417.3) .651
Vigorous MET- min/week 303.2 (73.8) 289.5 (71.4) 535.1 (187.8) 1186.2 (243.4) 182.7 (− 298.2, 663.6) .456 836.1 (329.1, 1343.1) .001 653.4 (−38.8, 1345.6) .064
Sedentary Behavior Questionnaire
Total hours per week of sedentary time 75.6 (6.5) 76.7 (4.8) 81.5 (8.6) 79.9 (16.7) 2.4 (−24.1, 28.9) .857 0.0 (−35.2, 35.2) .998 −2.5 (−43.5, 38.6) .905
Hours per week sitting at desk 25.5 (2.3) 21.2 (1.8) 29.2 (3.6) 19.7 (2.4) 4.4 (−3.4, 12.1) .270 −3.7 (−10.5, − 3.1) .288 −8.0 (− 17.7, − 1.6) .101
Hours per week sitting with friends 10.6 (1.7) 10.2 (1.2) 11.2 (3.4) 13.0 (6.3) 0.3 (−9.9, 10.4) .957 1.8 (− 8.6, 12.3) .729 1.6 (13.3, 16.5) .836
Hours per week sitting and reading 26.6 (2.6) 26.8 (2.4) 25.3 (2.8) 23.7 (2.7) −1.6 (−7.6, 4.3) .593 −3.5 (−10.0, 3.1) .296 −1.8 (− 10.4, 6.7) .670
Hours per week driving 13.0 (3.7) 18.5 (2.4) 15.7 (4.9) 23.6 (13.9) −0.1 (−20.6, 20.3) .990 5.5 (− 24.5, 35.6) .714 5.7 (− 25.5, 36.8) .720
  1. aSignificant within-group pre-post changes are bolded and italicized (corrected p-value using Benjamini-Hochberg approach is .0468)
  2. bSignificant between-group differences are bolded (corrected p-value using Benjamini-Hochberg approach is .0468)
  3. cAdjusted for town, education, age, marital status, and baseline value of the outcome