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Table 3 Accelerometer assessed physical activity and sedetary time in children, three months before and nine and 48 months after maternal Roux-en-Y Gastric Bypass surgery. Differences within women tested with pairwise t-test

From: Four years’ follow-up changes of physical activity and sedentary time in women undergoing roux-en-Y gastric bypass surgery and appurtenant children

Children PA Min/day (N = 40) Pre-surgery, 1st Mean (SD) 9 months post-surgery, 2nd Mean (SD) 48 months post-surgery, 3rd Mean (SD) Difference 1st and 2nd (P-value) Difference 2nd and 3rd (P-value) Difference 1st and 3rd (P-value)
Wear time hours/day 13.8 (1.1) 14.0 (1.4) 14.0 (1.2) 0.31 (p = 0.189) −0.05 (p = 0.793) 0.25 (p = 0.317)
Counts per min/day 1133.6 (347.1) 1024.0 (334.5) 875.9 (324.0) −109.62 (p = 0.032) −148.03 (p = 0.002) −257.65 (p < 0.001)
MVPA min/day 72.6 (37.9) 69.1 (33.4) 59.4 (35.7) −3.51 (p = 0.557) −9.69 (p = 0.064) −13.20 (p = 0.041)
LPA min/day 446.2 (90.3) 417.9 (92.7) 364.0 (86.2) −28.37 (p = 0.009) −53.81 (p < 0.001) −82.18 (p < 0.001)
Sedentary min/day 308.8 (113.4) 359.0 (129.9) 419.3 (113.0) 50.25 (p = 0.001) 60.22 (p < 0.001) 110.46 (p < 0.001)