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Objectives. To investigate the self-reported sexual function of Japanese men aged 40 to 79 years in a community-based study and compare the results to a similarly conducted study in Olmsted County, Minnesota. Methods. Two hundred eighty-nine Japanese and 2115 American men from the community were queried about ability to have erections when stimulated, sexual drive, and satisfaction with sexual activity using a self-administered questionnaire. Results. Both Japanese and American men showed an age-related decline in erectile function, sexual libido, and sexual satisfaction. In particular, 71% of Japanese men aged 70 to 79 years reported having erections only a little of the time or less when sexually stimulated, and 80% perceived sexual drive once per month or less during the past month. Although more Japanese than American men reported erectile dysfunction and decreased libido, there were no striking differences in self-reported sexual satisfaction between the studies. However, cultural and perceptual differences could play a role in these results, despite attempts to ensure linguistic equivalency in the questionnaires. Conclusions. Although erectile dysfunction and decreased libido were noted by a greater proportion of Japanese than American men, the self-reported degree of satisfaction was comparable between the studies. Perceptions of elderly male sexual function and its impact on health-related quality of life may differ among races, sites, and countries. |
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