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Table 5 Between-group differences in physical activity level and sedentary time at baseline and post-program

From: Effect of high-intensity interval training on cardiorespiratory fitness, physical activity and body composition in people with schizophrenia: a randomized controlled trial

   Intervention group Comparison group  
N Mean (SD) N Mean (SD) Mean diff 95% CI P
Number of valid days Baseline 35 3.4 (1.0) 35 3.4 (1.2) 0.0 −0.5, 0.6 0.8
Post-program 23 3.1 (1.1) 25 3.1 (1.0) −0.0 − 0.6, 0.6 0.9
Wear time (min∙day−1) Baseline 35 10.3 (2.9) 35 10.7 (3.1) −0.3 −1.9, 1.1 0.6
Post-program 23 10.6 (2.3) 25 10.8 (2.8) −0.2 −1.7, 1.3 0.7
Total PA level (CPM) Baseline 33 220 (91) 34 255 (157) −35 −97, 26 0.25
Post-program 22 246 (154) 25 281 (198) −34 − 121, 52 0.4
Light PA (min∙day− 1) Baseline 35 202 (90) 35 205 (91) −2.6 −40, 34 0.8
Post-program 23 226 (92) 25 199 (78) 27 −13, 68 0.18
Moderate PA (min∙day− 1) Baseline 35 19 (12) 35 26 (23) −7.0 −16, 2.6 0.15
Post-program 23 24 (18) 25 21 (21) 2.7 −0.5, 11 0.5
Vigorous PA (min∙day−1) Baseline 35 0.6 (2.1) 35 1.4 (3.7) −0.8 −2.3, 0.7 0.3
Post-program 23 1.9 (3.6) 25 2.1 (9.9) −0.1 −2.7, 2.3 0.8
MVPA (min∙day−1) Baseline 35 20 (12) 35 28 (24) −7.8 −17, 2.0 0.11
Post-program 23 26 (20) 25 23 (26) 2.7 −0.6, 11 0.5
Steps per day Baseline 33 3984 (1519) 34 4532 (3262) − 548 − 1713, 617 0.3
Post-program 22 4568 (2509) 25 4620 (2825) −52 − 1474, 1369 0.9
Sedentary time (hours∙day−1) Baseline 35 8.2 (1.6) 35 8.2 (1.6) −0.0 −0.7, 0.7 0.9
Post-program 23 8.3 (1.6) 25 8.1 (1.6) 0.1 −0.8, 1.1 0.7
  1. Presented values are the mean ± SD. PA, physical activity. CPM, counts per minute. MVPA, moderate to vigorous physical activity. CI, confidence interval