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Table 2 Pearson correlation coefficients between 13α-Diol-G (ng/ml) and testosterone (ng/ml) by different health conditions

From: Testosterone and androstanediol glucuronide among men in NHANES III

  

Correlation coefficient

95% confidence interval

P value

Age, years

< 65

0.17

0.12 to 0.23

< 0.001

≥65

0.12

0.02 to 0.22

0.03

Tertiles of BMI, kg/m2

1st (≤23)

0.25

0.17 to 0.34

< 0.001

2nd (24–27)

0.17

0.08 to 0.25

< 0.001

3rd (≥27)

0.22

0.13 to 0.30

< 0.001

Smoking

Never

0.22

0.13 to 0.30

< 0.001

Former

0.19

0.1 to 0.27

< 0.001

Current

0.20

0.11 to 0.28

< 0.001

Health statusa

Good

0.24

0.12 to 0.25

< 0.001

Poor

0.17

0.09 to 0.25

< 0.001

Self-rated health

Excellent

0.21

0.14 to 0.3

< 0.001

Very good

0.17

0.06 to 0.27

0.002

Good

0.12

0.03 to 0.21

0.01

Fair

0.11

−0.07 to 0.27

0.24

Poor

−0.22

− 0.64 to 0.28

0.37

Ethnicity

Non-Hispanic white

0.20

0.11 to 0.25

0.18

Non-Hispanic black

0.25

0.1 to 0.29

0.20

Mexican-American

0.28

0.13 to 0.32

0.22

Other

0.12

−0.06 to 0.43

0.20

  1. aPoor health status was defined as self-reported physician diagnosis of any of the following diseases: diabetes, hypertension, high cholesterol, heart disease or stroke, or at least one hospitalization during the past 12 months