Articles Tập 67 Số CĐ14-HNKH Hội Hóa sinh Y học Việt Nam 19/09/2026

INVESTIGATING THE ASSOCIATION BETWEEN BODY MASS INDEX, LIFESTYLE FACTORS, AND SERUM TESTOSTERONE LEVELS IN MEN

Nguyen Duc Tuan, Nguyen Thi Ngoc Lan, Le Van Khai, Vu Thi Thanh Huong, Nguyen Thi Thu Ha, Bui Thi Lan Anh, Chu Quang Chien, Nguyen Ngoc Bai
DOI: 10.52163/yhc.v67iCD14.6470
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Abstract

Objective: Investigating the Association Between Body Mass Index, Lifestyle Factors, and Serum Testosterone Levels in Men.

Subjects and Methods: A cross-sectional descriptive study was conducted on 2177 men attending Vietnam – Sweden Uong Bi Hospital.

Results: The median serum testosterone concentration in the study population was 4.48 ng/mL, and the prevalence of low testosterone was 3,7%. Men younger than 30 years had significantly higher median serum testosterone concentrations than men aged 30 years or older (p < 0.05). However, no significant differences were observed in the prevalence of low testosterone between these subgroups (p > 0,05). Overweight (OR = 1,840), obesity (OR = 3,532), and the daily use of dietary supplements or over-the-counter medications (OR = 2,831) were identified as independent predictors associated with a significantly increased risk of low testosterone (p < 0,05). In contrast, cigarette smoking was inversely associated with low testosterone (OR = 0,549, p = 0,016).

Conclusion: Serum testosterone concentrations in men are strongly influenced by body mass index, lifestyle-related behavioral factors, and the daily use of dietary supplements or over-the-counter medications.

Keywords
Testosterone, obesity, dietary supplements, lifestyle.
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