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Table 2 Linear regression models predicting log of insulin resistance (log HOMA-IR a )

From: Daily physical activity predicts degree of insulin resistance: a cross-sectional observational study using the 2003–2004 National Health and Nutrition Examination Survey

Beta (P-value)

Model 1

Model 2

Model 3

Model 4

Physical Activity (30 min of MVPAb)

−0.2241

−0.1676

−0.0680

−0.1607

(0.024)

(0.072)

(0.378)

(0.028)

Estimated VO2 Maxc (ml/kg/min)

 

−0.0144

0.0035

−0.0008

 

(0.018)

(0.613)

(0.868)

Body Fat (%)

  

0.0396

0.0789

  

(<0.001)

(<0.001)

Age (yrs.)

   

−0.0161

   

(0.005)

Sex Male = 1; Female = 0

   

−1.054

   

(<0.001)

Adjusted r2

0.042

0.064

0.165

0.423

r2 (% change)

 

52.4%

158%

156%

  1. a homeostatic model assessment of insulin resistance.
  2. b moderate-to-vigorous physical activity.
  3. c maximal oxygen consumption.
  4. For all models n=402