Hos mænd øger høje testosteronniveauer generelt seksuel drift og initiativ, både over for partneren og andre. Det betyder også, at mænd med højere T ofte er mere opsøgende i deres seksualitet, uanset om de er i et forhold eller ej. Hos kvinder spiller testosteron en rolle i deres egen seksuelle lyst, men det påvirker ikke direkte, hvordan de agerer over for deres partner. Hendes adfærd i et forhold afhænger mere af relationens kvalitet, følelsesmæssig stemning og sociale faktorer end af hormonelle udsving alene. For kvinder betyder konteksten og relationen mere end selve hormonpåvirkningen.
Titel på undersøgelse:
Salivary Testosterone and Sexual Function and Behavior in Men and Women: Findings from the Third British National Survey of Sexual Attitudes and Lifestyles (Natsal-3).
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Hele abstrakt på originalsprog:
Using data from the third British National Survey of Sexual Attitudes and Lifestyles (Natsal-3) we examined associations between salivary testosterone (Sal-T) and sexual function and behavior. Single morning saliva samples were self-collected from a subsample of participants aged 18-74 years and analyzed using mass spectrometry. 1,599 men and 2,123 women were included in the analysis (40.6% of those invited to provide a sample). We adjusted for confounders in a stepwise manner: in model 1 we adjusted for age only; model 2 for age, season and relationship status, and model 3 we added BMI and self-reported health. In the fully adjusted models, among men, Sal-T was positively associated with both partnered sex (vaginal sex and concurrent partners) and masturbation. Among women, Sal-T was positively associated with masturbation, the only association with partnered sex was with ever experience of same-sex sex. We found no clear association between Sal-T and sexual function. Our study contributes toward addressing the sparsity of data outside the laboratory on the differences between men and women in the relationship between T and sexual function and behavior. To our knowledge, this is the first population study, among men and women, using a mass spectrometry Sal-T assay to do so.