[Idiopathic portal hypertension].
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Biomedical subjects
Publications and source records attributed to B Marti.
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BACKGROUND AND OBJECTIVES: Persons treated for a sexually transmitted disease have been shown to be at increased risk for human immunodeficiency virus infection. Levels of condom use among these patients are presented, and sociodemographic and behavioral factors associated with self-reported never use of condoms are analyzed. STUDY DESIGN: This was a cross-sectional study of 2,257 patients treated at six sexually transmitted disease clinics in Switzerland between July 1990 and December 1992. RESULTS: Overall, 46.3% of the patients reported that they had never used condoms. Among heterosexual men, this level was 48.3% (n = 1,751), among homosexual and bisexual men it was 21.6% (n = 268), and among heterosexual women it was 60.1% (n = 238). In a logistic multivariate regression analysis, factors significantly associated with never use of condoms among heterosexual men included age over 29 years, not of Swiss origin, low level of education, few partners in the previous 6 months, contraction of the sexually transmitted disease from a stable partner, and not being an injecting drug user. CONCLUSION: These results document the high levels of condoms never being used in this population and highlight the importance of condom promotion activities provided by sexually transmitted disease clinics.
Using a survey questionnaire design, we investigated the incidence, site, and nature of jogging injuries among all participants of a popular 16 km race. The response rate was 83.6%. Of 4,358 male joggers, 45.8% had sustained jogging injuries during the 1 year study period, 14.2% had required medical care, and 2.3% had missed work because of jogging injuries. Occurrence of jogging injuries was independently associated with higher weekly mileage (P less than 0.001), history of previous running injuries (P less than 0.001), and competitive training motivation (P = 0.03). Higher mileage was also associated with more frequent medical consultations due entirely to jogging-related injuries. In 33 to 44 year olds (N = 1,757), the number of years of running was inversely related to incidence of injuries (P = 0.02). Injuries were not significantly related to race running speed, training surface, characteristics of running shoes, or relative weight. Achillodynia and calf muscle symptoms were the two most common overuse injuries and occurred significantly more often among older runners with increased weekly mileage. We conclude that jogging injuries are frequent, that the number of firmly established etiologic factors is low, and that, in recommending jogging, moderation should be the watchword.