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Table 4 Relationship between self-report and objective measures of physical activity

From: Criterion validity of a 10-category scale for ranking physical activity in Norwegian women

  PAEE zPAFIT
Model β 95% CI R2 β 95% CI R2
NOPAQ 0.049 [0.029, 0.069] 0.12 0.18 [0.12, 0.26] 0.15
NOPAQ
(w/BMI and age)
0.039 [0.021, 0.056] 0.34 0.15 [0.09, 0.21] 0.34
NOPAQ
(w/BMI, age, and VO 2 max)
0.021 [0.005, 0.038] 0.48    
  1. The β-coefficient denotes the difference in the outcome variable by a 1-unit difference in the NOPAQ scale. CI = Confidence Interval. R2 = model explained variance