title: Comparison of estimates for the self-reported chronic conditions among household survey and telephone survey--Campinas (SP), Brazil.
abstract: OBJECTIVE
  To compare the estimates obtained by different methods of population-based surveys for self-reported chronic conditions among adults living in Campinas in the year 2008.
  
  
  METHODS
  Data from ISACamp Survey, conducted by the Faculty of Medical Sciences from Universidade Estadual de Campinas (UNICAMP) with support from the County Health Department and VIGITEL (Campinas), a telephone survey conducted by the Brazilian Ministry of Health toward Surveillance of Risk and Protective Factors for Chronic non-communicable Diseases in the adult population (18 years and over) were analyzed. Estimates of self-reported hypertension, diabetes, osteoporosis, and asthma/bronchitis/emphysema were evaluated and compared by the independent (two-sample) Student's t-test.
  
  
  RESULTS
  For global estimates, a higher prevalence of hypertension and osteoporosis was ascertained by the telephone survey. Diabetes and asthma/bronchitis/emphysema results showed no statistically significant differences. According to sociodemographic variables, a higher prevalence of hypertension was obtained by VIGITEL for men, among people aged 18 to 59 years, and those who reported nine or more years of schooling. A higher prevalence of osteoporosis among adults (18 to 59 years) was verified by VIGITEL. Concerning asthma/bronchitis/emphysema in the elderly, ISACamp survey showed a higher prevalence.
  
  
  CONCLUSIONS
  Except for the hypertension prevalence, the telephone survey has proven to be a rapid alternative to provide global prevalence estimates of health conditions in the adult population of Campinas.
authors: Department of Preventive and Social Medicine, Faculty of Medical Sciences, Universidade Estadual de Campinas (UNICAMP)-Campinas (SP), Brazil. primaria@fcm.unicamp.br
authors: Priscila Maria Stolses Bergamo
authors: PM
authors: Francisco
authors: Marilisa Berti de Azevedo
authors: MB
authors: Barros
authors: Neuber José
authors: NJ
authors: Segri
authors: Maria Cecília Goi Porto
authors: MC
authors: Alves
authors: Chester Luiz Galvão
authors: CL
authors: Cesar
authors: Deborah Carvalho
authors: DC
authors: Malta
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001938:Brazil / Q000453:epidemiology; D002908:Chronic Disease / Q000453:epidemiology*; D005191:Family Characteristics; D005260:Female; D006306:Health Surveys / Q000379:methods*; D006801:Humans; D008297:Male; D008875:Middle Aged; D057566:Self Report; D013689:Telephone; D055815:Young Adult