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Table 3 Prediction equations for sedentary behavior or moderate-to-vigorous physical activity

From: Association between objectively evaluated physical activity and sedentary behavior and screen time in primary school children

Prediction equations Adjusted R2 SEE p value
Sedentary behavior (min/day) = −64 (50) − 1.83 (0.12) * MVPA (min/day) + 0.606 (0.057) * wearing time (min/day) − 19.7 (4.4) * sex + 6.88 (1.74) * age (year) + 1.06 (0.35) * body weight (kg) 0.60 39.6 <0.001
Sedentary behavior (min/day) = −111 (19) − 1.16 (0.02) * LPA (min/day) + 1.04 (0.02) * wearing time (min/day) + 18.5 (1.6) * sex + 3.30 (0.55) * age (year) 0.94 15.7 <0.001
Sedentary behavior (min/day) = −271 (59) − 3.75 (0.59) * VPA (min/day) + 0.60 (0.07) * wearing time (min/day) + 15.48 (2.05) * age (year) + 1.13 (0.44) * body weight (kg) 0.40 48.5 <0.001
LPA (min/day) = −71 (16) − 0.78 (0.01) * sedentary behavior (min/day) + 0.85 (0.02) * wearing times (min/day) + 15.3 (1.3) * sex + 1.22 (0.47) * age (year) 0.93 12.9 <0.001
LPA (min/day) = 56 (49) + 0.84 (0.11) * MVPA (min/day) + 0.38 (0.06) * wearing time (min/day) + 20.3 (4.3) * sex − 6.61 (1.71) * age (year) − 1.04 (0.35) * body weight (kg) 0.39 38.8 <0.001
MVPA (min/day) = 67 (16) − 0.20 (0.01) * sedentary behavior (min/day) + 0.14 (0.02) * wearing time (min/day) − 14.9 (1.3) * sex − 1.16 (0.48) * age (year) 0.59 13.2 <0.001
MVPA (min/day) = 78 (10) + 0.13 (0.02) * LPA (min/day) − 18.2 (1.6) * sex − 3.28 (0.55) * age (year) 0.41 15.8 <0.001
  1. SEE standard error of estimate, sex: boy: 1, girl: 2, LPA light physical activity, MVPA moderate-to-vigorous physical activity, VPA vigorous physical activity, the values given in parentheses in prediction equations were SEE for each partial regression coefficient