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Table 2 Physical activity outcomes (total weekly minutes) at baseline and 12 months for accelerometry and IPAQ

From: Measuring change in trials of physical activity interventions: a comparison of self-report questionnaire and accelerometry within the PACE-UP trial

  Group summary data Treatment effects
Control group (n = 231) Postal group (n = 207) Nurse group (n = 217) Postal vs Control Nurse vs Control
Baseline 12 months Baseline 12 months Baseline 12 months Effect p-value Effect p-value
Mean (sd) Mean (sd) Mean (sd) Mean (sd) Mean (sd) Mean (sd) (95% CI) (95% CI)
Accelerometry outcomes
 Daily step count 7572 (2738) 7402 (2724) 7691 (2560) 8233 (3076) 7487 (2738) 8146 (3224) 804 (426, 1181) < 0.001 837 (463, 1211) < 0.001
 MVPA in ≥10 min bouts (weekly minutes) 95 (103) 97 (101) 107 (95) 144 (128) 107 (114) 146 (149) 42 (22, 61) < 0.001 43 (24, 63) < 0.001
 Total MVPA (weekly minutes) 319 (155) 330 (160) 329 (143) 377 (173) 317 (157) 367 (189) 43 (20, 65) < 0.001 41 (18, 63) < 0.001
IPAQ outcomes
 IPAQ-MVPA (weekly minutes) 188 (300) 222 (343) 171 (285) 200 (288) 165 (249) 180 (300) -11 (−65, 42) 0.68 −34 (−87, 19) 0.21
 IPAQ-Walk (weekly minutes) 336 (332) 356 (335) 331 (336) 398 (332) 286 (262) 365 (309) 57 (2, 112) 0.04 43 (−11, 97) 0.12
 IPAQ-Total (weekly minutes) 525 (494) 578 (520) 502 (481) 598 (479) 450 (365) 545 (456) 46 (−34, 126) 0.26 14 (−66, 93) 0.74