Background This study examined the relationship between alcohol consumption and total testosterone deficiency based on facial flushing among Korean men.
Methods A total of 314 men were included in this study and divided into non-drinkers (n=78) and drinkers (n=236). Drinkers were also divided into flushers (n=96) and non-flushers (n=140). Flushers and non-flushers were separated into two groups based on the amount of alcohol consumed: moderate drinkers (≤8 standard drinks per week) and heavy drinkers (>8 standard drinks per week). Total testosterone <3.5 ng/mL was defined as testosterone deficiency.
Results The risk of testosterone deficiency was significantly higher in heavy drinkers who flushed than in nondrinkers (odds ratio, 4.37; 95% confidence interval, 1.20–15.88; P=0.025). However, no significant difference was observed in the risk of testosterone deficiency in non-flushers, regardless of the amount of alcohol consumed.
Conclusion This study suggests that the risk of testosterone deficiency increases in heavy drinkers (>8 drinks per week) who flush compared to that in non-drinkers.
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Background : Bone mass changes in men is related to age, BMI, sex hormones and other factors. In prior studies, bone markers were negatively correlated with bone mineral density, free testosterone, and estrogen and was positively correlated with SHBG. In a study of sex hormones and bone markers in Korean men estradiol was negatively correlated with deoxypyridinoline. In this study, the relationship of testosterone, estradiol, calculated free testosterone, FEI and SHBG to bone turnover markers in adult men were investigated.
Methods : This was a cross-sectional study of 184 men who had undertaken a health screening program in one general hospital in Bundang from November, 2001 to February, 2003. We surveyed information concerning the past medical history, current medication, alcohol consumption amount per week and smoking amount by means of self questionnaire records. Serum total testosterone, estradiol, SHBG and osteocalcin, alkaline phosphatase were measured at a fasting state. Urine was tested for deoxypyridinoline. Free testosterone was calculated using albumin, SHBG, and total testosterone level.
Results : Deoxypyridinoline adjusted by age, BMI was negatively correlated with FEI (r=-0.17, P=0.020) and was positively correlated with smoking amount (r=0.20 P= 0.007). Osteocalcin was negatively correlated with calculated free testosterone and ethanol consumption amount (r=-0.186, P=.0.12, r=-0.186, P=0.012). Multiple regression analysis showed that the most powerful factor influencing deoxypyridinoline was smoking amount (R2= 0.046), followed by FEI, BMI, and the one influencing osteocalcin was BMI (R2=0.050), ethanol amount and calculated free testosterone. After adjusting for age, BMI, drinking amount and smoking amount FEI shown to be a predictor of deoxypyridinoline (β=-0.08, p＜0.01, R2=0.101). After adjusting for age, BMI, and drinking amount calculated free testosterone was shown to be a predictor of osteocalcin (β=-0.570, P＜0.01, R2=0.130) in multiple regression model.
Conclusion : In adult men, FEI shown to be a predictor of deoxypyridinoline and calculated free testosterone to be a predictor of osteocalcin as an independent variable.
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