Table 4: Regression coefficients with p-values for continuous variables used in the model for log10 transformed

values of total serum testosterone Data from National Health and Nutrition Examination Survey 2011-2012.

Age: 12-19 Years

Age: ≥ 20 Years

Variable

Slope

P-value

Slope

P-value

Age

0.10979562

< 0.01

-0.001028629

0.047

Body Mass Index

0.009342005

0.56

-0.007095311

0.09

Waist Circumference

-0.007102172

0.28

-0.002863613

0.07

Fasting Time in hours

-0.006733424

0.65

0.004088971

< 0.01

Alcohol Consumption in grams

Not in Model

0.000115362

0.56

R2

40.0%

18.2%

N

498

2156