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M94A2494.TXT
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Document 2494
DOCN M94A2494
TI AIDS incidence trends among birth cohorts of gay men in California.
DT 9412
AU Rutherford GW; Singleton JA; Tabnak F; Kuan J; California Department of
Health Services, Sacramento 94234-7320.
SO Int Conf AIDS. 1994 Aug 7-12;10(1):291 (abstract no. PC0090). Unique
Identifier : AIDSLINE ICA10/94370081
AB OBJECTIVE: To describe trends in AIDS incidence among birth cohorts of
men reporting sex with men in California county regions. METHODS: AIDS
cases reported in California by 1/7/94 among men reporting sex with men
were analyzed, excluding cases meeting the 1993 expanded AIDS case
definition. Trends in AIDS annual AIDS incidence through 1991 were
examined by county regions and birth cohorts. RESULTS: In San Francisco
and Los Angeles counties, AIDS incidence was decreasing by 1991 among
gay men born before 1945, and increasing substantially among gay men
born in or after 1960. Between 1987 and 1991, incidence among men born
1960-64 increased 216% in Los Angeles and 206% in San Francisco, with
increases from 1987 to 1991 2-3 times higher among those born 1965 or
later. Cases born 1960 or later (aged 20 or less in 1980) comprised 16%
of San Francisco cases diagnosed in 1991, and higher proportions
(21%-26%) in other county regions. Outside the two original epicenters,
similar trends were observed, with decreases or plateaus in incidence
among cases born before 1950, and increases among men born thereafter.
In all regions, incidence tended to increase more rapidly among the
younger birth cohorts. CONCLUSIONS: AIDS incidence among gay men in
California is decreasing among men aged 35 or more in 1980, and
increasing rapidly among those aged 20 or less in 1980. These younger
men were most likely infected during their twenties. Continued HIV
prevention efforts targeted at men reporting sex with men are still
needed, focusing on teenagers and young adults.
DE Acquired Immunodeficiency Syndrome/*EPIDEMIOLOGY Adult
California/EPIDEMIOLOGY Cohort Studies Homosexuality/*STATISTICS &
NUMER DATA Human Male MEETING ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).