Table 3.

Univariate and multivariable analysis of hypogonadal symptoms predicting a free testosterone (analyzed as a continuous variable). Only factors that were statistically significant (p<0.05) on univariate analysis were included in the multivariable analysis.

Univariate analysis	Beta	Std Error	95% CI	P-value
Age	-0.46	0.2789	-0.057 – -0.034	<0.001
Do you have decreased libido?	0.181	0.1815	-0.175 – 0.537	0.318
Do you have a lack of energy?	0.273	0.1816	-0.083 – 0.629	0.132
Do you have a decrease in strength or endurance?	0.232	0.1753	-0.112 – 0.575	0.186
Have you noticed a decreased “enjoyment in life”?	0.427	0.1801	0.074 – 0.780	0.018
Are you sad and/or grumpy?	0.617	0.1794	0.265 – 0.968	0.001
Are your erections less strong?	0.212	0.1822	-0.145 – 0.569	0.245
Has there been a recent deterioration in your work performance?	0.772	0.2007	0.378 – 1.165	<0.001
Are you falling asleep after dinner?	0.246	0.1786	-0.103 – 0.596	0.167
Have you noticed a recent deterioration in your ability to play sports?	0.092	0.1790	-0.259 – 0.443	0.607
Have you lost height?	-0.480	0.2679	-1.009 – 0.048	0.075

Multivariable analysis	Beta	Std Error	95% CI	P-value
Age	-0.040	0.0071	-0.053 – -0.026	<0.001
Have you noticed a decreased “enjoyment in life”?	0.293	0.2106	-0.119 – 0.706	0.163
Are you sad and/or grumpy?	0.356	0.2137	0.775 – 2.782	0.095
Has there been a deterioration in your work performance?	0.167	0.2447	-0.312 – 0.467	0.494