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Table 3 Step-wise regression estimates describing the multivariable correlates of work capacity (N = 330)

From: Determinants of work capacity (predicted VO2max) in non-pregnant women of reproductive age living in rural India

  Model 1 Model 2 Model 3 Model 4
Estimate 95% CI Estimate 95% CI Estimate 95% CI Estimate 95% CI
Age 0.03 −0.01, 0.08 0.03 −0.02, 0.07 0.02 − 0.03, 0.06 − 0.01 − 0.06, 0.05
Age2 − 0.01 − 0.01,-.001 −0.01 − 0.01,-0.001 − 0.01 − 0.01,-0.001 −0.01 − 0.01, 0.00
BMI −0.21 − 0.30, − 0.12 −0.22 − 0.31, − 0.12 −0.19 − 0.29, − 0.10 −0.19 − 0.28, − 0.09
Education
 None
 1–7 y −0.46 − 1.41, 0.48 −0.52 − 1.46, 0.42 − 0.49 −1.43, 0.45 −0.46 − 1.40, 0.47
 8–13 y − 1.43 − 2.42, − 0.44 −1.55 − 2.54, − 0.56 −1.41 − 2.40, − 0.42 −1.35 −2.34, − 0.36
Hb (g/dL)    0.28 0.04, 0.52 0.22 − 0.02, 0.47 0.22 − 0.02, 0.47
MET∙h/day      0.21 0.02, 0.39 0.19 0.00, 0.38
Parity        0.27 −0.10, 0.63
  R2 = 0.13   R2 = 0.15   R2 = 0.16   R2 = 0.16  
  1. Estimates in bolded print are statistically significant at p < 0.05