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.

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