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Table 2 Mean (95% confidence interval) physical activity level among participants stratified by study arm at baseline and follow-up

From: The effect of a school-based intervention on physical activity, cardiorespiratory fitness and muscle strength: the School in Motion cluster randomized trial

 

PAL-intervention

DWBH-intervention

Control

 

Baseline

Follow-up

Baseline

Follow-up

Baseline

Follow-up

Physical activity

levels full day

 N

500

317

406

229

566

288

 Wear time (min/day)

776 (765, 787)

763 (751, 776)

775 (763, 787)

768 (754, 782)

770 (759, 781)

742 (729, 754)

 Average PA (cpm)

510 (479, 541)

497 (464, 531)

531 (497, 565)

476 (439, 513)

537 (505, 569)

489 (455, 524)

 MVPA (min/day)

67 (63, 72)

65 (60, 70)

70 (65, 75)

63 (57, 68)

71 (66, 76)

65 (60, 70)

 Sedentary time (min/day)

541 (533, 548)

553 (545, 561)

534 (526, 542)

559 (550, 567)

531 (523, 538)

548 (540, 557)

Physical activity

school hours

 N

536

375

427

284

583

353

 Wear time (min/day)

322 (313332)

312 (303, 322)

321 (311, 331)

323 (312, 333)

314 (304, 324)

292 (282, 302)

 Average PA (cpm)

444 (398, 489)

462 (415, 508)

504 (456, 553)

411 (361, 461)

501 (455, 547)

433 (385, 481)

 MVPA (min/day)

25 (21, 28)

25 (22, 28)

28 (25, 32)

24 (20, 28)

29 (25, 32)

24 (20, 27)

 Sedentary time (min/day)

227 (221, 232)

230 (228, 240)

217 (211, 223)

234 (228, 240)

220 (215, 225)

227 (222, 233)

  1. PAL Physically active learning; DWBH Don’t Worry – Be Happy, cpm Counts per minute; MVPA Moderate- to vigorous-intensity physical activity. All analyses are adjusted for gender, wear time (except cpm), school cluster, class cluster and subject ID as random effect