Increased prevalence of erectile dysfunction (ED): results of the second epidemiological study on sexual activity and prevalence of ED in Thai males.

Objective. The aim of this study is to investigate changes in sexual activity and the prevalence of erectile dysfunction (ED) in Thai males. In addition, the treatment-seeking behaviour of Thai patients suffering from ED is also investigated.Materials and methods. In a cross sectional study using a standardized questionnaire with a multi-stage stratified random sampling, 2,269 men aged 40–70 were interviewed. The questionnaire was designed to investigate the effects of socioeconomic factors, medical conditions and unhealthy lifestyles on the development of ED. Furthermore, the questionnaire was designed to characterize the treatment-seeking behaviour of Thai patients suffering from ED.Results. Compared to the first report dated the year 2000, the prevalence of ED has increased from 37.5% to 42.18%. In terms of socioeconomic factors, the highest prevalence of ED was observed among unemployed men (78.51%). Prostatism and/or prostatitis (Odd ratios (OR) = 2.02) and long histories of smoking (more than 30 yea...