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Table 2 The multivariate linear regression models for predicting cardiorespiratory fitness (VO 2 max) in men and women

From: Waist circumference vs body mass index in association with cardiorespiratory fitness in healthy men and women: a cross sectional analysis of 403 subjects

  Reference category Men Women
   N = 222; R2 = 0.453 N = 181; R2 = 0.404
Variable   Regression coefficient β Standard error Pa Regression coefficient β Standard error Pa
Constant   84.10 5.08 <0.001 80.41 5.97 <0.001
BMI 1 kg/m2 increment 0.09 0.28 0.742 −0.94 0.28 0.001
WC 1 cm increment −0.36 0.11 0.001 −0.13 0.12 0.29
Age 1 year increment −0.30 0.05 <0.001 −0.19 0.07 0.006
Smoking not smoking 1.23 1.19 0.301 0.09 1.50 0.952
Hours of training per week 1 hour/week increment −2.18 0.91 0.017 −2.10 0.56 <0.001
Weekly caloric expenditure for physical activity 1 kcal/week increment 0.008 0.002 <0.001 0.011 0.002 <0.001
  1. Abbreviations: BMI = Body Mass Index, WC = waist circumference.
  2. p values are for association of the variables with VO2max.
  3. R2 - a measure of goodness-of-fit in linear regression.
  4. The statistical analysis performed: multivariate linear regression models for predicting VO2max in men and women.