06/05/2002 By David Loshak
Oral contraceptives have significantly reduced the prevalence of acne among adolescents. Smoking tobacco is not significantly associated with acne, say Danish investigators.
Both oral contraceptives and smoking have been proposed as having an influence on acne and could therefore be confounders in studies its prevalence.
The investigators, in Copenhagen, Glostrup and Roskilda, Denmark, said their findings were in line with those in other countries.
Because the prevalence of acne among adolescents appears to vary geographically, the investigators conducted a study to describe the prevalence rate of acne among Danish adolescents and to study the possible influence of oral contraceptives and tobacco smoking on disease prevalence and severity.
A random sample of 186 young people, aged 15-22 years, participating in a population-based study of allergic diseases were also examined for acne.
Data were gathered on demographic variables, acne problems, smoking status and use of
oral contraceptives. Acne was graded according to the Leeds scale.
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