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. 2021 Nov 2;71(713):e921–e930. doi: 10.3399/BJGP.2021.0172

Table 2.

Changes in secondary outcomes related to physical activity for at least 1 valid day of accelerometer wear at follow-up

Physical activity-related secondary outcome Participants, n Mean change from baseline Adjusted difference at follow-upa



Control, n= 173 Intervention, n= 180 Control Intervention Coefficient (95% CI) P-value
Overall daily physical activity, mg
  6 months 140 128 −0.38 −0.36 0.12 (−0.80 to 1.04) 0.793

Average acceleration for most active continuous 30 min, mg
  6 months 140 128 −1.17 −1.68 1.07 (−3.07 to 5.21) 0.611
  12 months 137 128 1.11 −4.17 −3.71 (−7.97 to 0.54) 0.087

Minutes per day spent in moderate-to-vigorous 1-min bouts of physical activity (min/day)
  6 months 140 128 −1.76 0.01 1.88 (−1.53 to 5.28) 0.279
  12 months 137 128 0.54 −3.72 −3.86 (−6.70 to −1.03) 0.008

Minutes per day spent in slow walk, classified as>100 mg (min/day)
  6 months 140 128 −2.29 −1.04 1.70 (−3.46 to 6.86) 0.518
  12 months 137 128 −1.09 −6.23 −4.66 (−8.82 to −0.51) 0.028

Minutes per day spent in brisk walk, classified as>200 mg (min/day)
  6 months 140 128 0.06 0.001 0.23 (−1.44 to 1.90) 0.789
  12 months 137 128 0.10 −1.40 −1.23 (−2.81 to 0.35) 0.127

Minutes per day spent sedentary/inactive (min)
  6 months 135 121 1.13 2.71 −1.78 (−19.33 to 15.77) 0.842
  12 months 136 124 −10.15 5.22 9.91 (−11.78 to 31.60) 0.369

Minutes’ sleep duration per night (min)
  6 months 135 121 −2.20 −2.80 0.69 (−10.49 to 11.86) 0.904
  12 months 136 124 5.63 2.43 −1.33 (−16.98 to 14.32) 0.867
a

Adjusted for stratification factors: sex, ethnicity; change from baseline in accelerometer wear time and baseline value of outcome. Participants with missing outcome data or missing variables required for the model adjustment were excluded. CI = confidence interval.