Table 5 Multiple linear regression model for ΔV̇O2 max at week 12. B values and relevant 95% confidence interval (95%CI) are reported for each independent variable.

From: Improved aerobic capacity in a randomized controlled trial of noncombustible nicotine and tobacco products

 

B

95% CI

p Value

Sex (Ref. M)

0.302

 − 0.201/0.805

0.238

Reducers (Ref. failures)

1.694

1.013/2.375

 < 0.0001

Quitters (Ref. failures)

2.550

1.829/3.270

 < 0.0001

ΔBMI at Wk 12 (kg/m2)

 − 0.981

 − 1.291/ − 0.670

 < 0.0001

Natural log of Pack/Yrs

0.650

0.248/1.051

0.002

Age (yrs)

 − 0.035

 − 0.064/0.006

0.019

BMI at baseline (kg/m2)

0.001

 − 0.059/0.061

0.980

  1. ΔBMI at Wk 12: absolute change in BMI at week 12 with respect to baseline.