title: [Sunburn in young people: population-based study in Southern Brazil].
abstract: OBJECTIVE
  To assess the prevalence and risk factors for sunburn in young people.
  
  
  METHODS
  Population-based cross-sectional study using a multiple-stage sampling carried out with people living in the urban area of Pelotas, Southern Brazil, between October and December 2005. Data was collected from interviews with 1.604 subjects using a standardized pre-coded questionnaire about their family and another questionnaire applied to those aged between ten and 29 years for assessing the occurrence of sunburn episodes. Sunburn was defined as skin burning after sun exposure. Chi-square test with Yates' correction was used to compare proportions and Poisson regression with design effect control and robust adjustment of variance was applied in the multivariate analysis.
  
  
  RESULTS
  Of those aged between 10 and 29 years, 1,412 reported sun exposure in the last summer. Losses and refusals were 5.5%. A total of 48.7% of the interviewees reported sunburn in the last year. The following variables were associated with sunburn in the multivariate analysis: white skin (PR=1.41; 95% CI: 1.12;1.79); higher skin sensitivity to sun exposure (PR=1.84; 95% CI: 1.64;2.06); age between 15 and 19 years (PR=1.30; 95% CI: 1.12;1.50); belonging to the higher quartile of income (PR=1.20; 95% CI: 1.01;1.42); and irregular use of sunscreens (PR=1.23; 95% CI: 1.08;1.42).
  
  
  CONCLUSIONS
  The prevalence of sunburn in the population studied was high mainly among white young people with higher skin sensitivity, higher income and who used sunscreens irregularly. Sun exposure during safe times and with adequate protection should be promoted.
authors.affiliation: Programa de Pós-Graduação em Epidemiologia, Faculdade de Medicina, Universidade Federal de Pelotas, Pelotas, RS, Brasil. ricardohaack@yahoo.com.br
authors.forename: Ricardo Lanzetta
authors.initials: RL
authors.lastname: Haack
authors.forename: Bernardo Lessa
authors.initials: BL
authors.lastname: Horta
authors.forename: Juraci Almeida
authors.initials: JA
authors.lastname: Cesar
mesh_terms: D000293:Adolescent; D000328:Adult; D001938:Brazil / Q000453:epidemiology; D002648:Child; D004781:Environmental Exposure; D004812:Epidemiologic Methods; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D008545:Melanoma / Q000235:genetics / Q000517:prevention & control*; D012878:Skin Neoplasms / Q000235:genetics / Q000517:prevention & control*; D013471:Sunburn / Q000150:complications / Q000453:epidemiology* / Q000517:prevention & control; D013472:Sunlight / Q000009:adverse effects*; D013473:Sunscreening Agents / Q000627:therapeutic use*; D014505:Urban Population
chemical_list: D013473:Sunscreening Agents