title: Rising trends of obesity and abdominal obesity in 10 years of follow-up among Tehranian adults: Tehran Lipid and Glucose Study (TLGS).
abstract: OBJECTIVE
  Some recent studies have shown stablity or declining trends in obesity while others still report increasing trends. The present study aimed to investigate the trends of obesity and abdominal obesity in Tehranian adults during a median follow-up of 10 years.
  
  
  METHODS
  Prospective cohort study.
  
  
  METHODS
  Community-based data collection from the Tehran Lipid and Glucose Study (TLGS).
  
  
  METHODS
  Participants from four phases of the TLGS from 1999 to 2011 (n 10,368), aged ≥20 years.
  
  
  RESULTS
  The crude prevalence of obesity and abdominal obesity increased from 23·1% and 47·9% at baseline to 34·1% and 71·1% at the end of follow-up, respectively. Generalized estimating equation (GEE) models were used to analyse the correlated data and calculate the relative risks (RR). Risks of obesity and abdominal obesity increased over the whole study period for men (RR=1·62; 95% CI 1·49, 1·76 and RR=1·46; 95% CI 1·41, 1·52, respectively) and women (RR=1·24; 95% CI 1·19, 1·29 and RR=1·22; 95% CI 1·18, 1·27, respectively). These rising trends were observed in all subgroups regardless of age, marital status and educational level.
  
  
  CONCLUSIONS
  Trends of obesity and abdominal obesity are increasing in Tehranian adults during a decade of follow-up in both genders and in all study subgroups. These results underscore the still growing obesity epidemic in the capital of Iran, calling for urgent action to educate people in lifestyle modifications and the need for effective preventive and educational strategies on obesity.
authors.affiliation: 1Obesity Research Center,Research Institute for Endocrine Sciences,Shahid Beheshti University of Medical Sciences,PO Box 19395-476,Tehran,Islamic Republic of Iran.
authors.forename: Maryam
authors.initials: M
authors.lastname: Barzin
authors.affiliation: 1Obesity Research Center,Research Institute for Endocrine Sciences,Shahid Beheshti University of Medical Sciences,PO Box 19395-476,Tehran,Islamic Republic of Iran.
authors.forename: Sorena
authors.initials: S
authors.lastname: Keihani
authors.affiliation: 1Obesity Research Center,Research Institute for Endocrine Sciences,Shahid Beheshti University of Medical Sciences,PO Box 19395-476,Tehran,Islamic Republic of Iran.
authors.forename: Farhad
authors.initials: F
authors.lastname: Hosseinpanah
authors.affiliation: 1Obesity Research Center,Research Institute for Endocrine Sciences,Shahid Beheshti University of Medical Sciences,PO Box 19395-476,Tehran,Islamic Republic of Iran.
authors.forename: Sara
authors.initials: S
authors.lastname: Serahati
authors.affiliation: 2Mashhad Medical Branch, Faculty of Medicine,Islamic Azad University,Mashhad,Islamic Republic of Iran.
authors.forename: Sahar
authors.initials: S
authors.lastname: Ghareh
authors.affiliation: 3Endocrine Research Center,Research Institute for Endocrine Sciences,Shahid Beheshti University of Medical Sciences,Tehran,Islamic Republic of Iran.
authors.forename: Fereidoun
authors.initials: F
authors.lastname: Azizi
mesh_terms: D000328:Adult; D015992:Body Mass Index; D058872:Epidemics; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007492:Iran / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D009765:Obesity / Q000453:epidemiology*; D056128:Obesity, Abdominal / Q000453:epidemiology*; D015995:Prevalence; D011446:Prospective Studies; D012306:Risk; D012737:Sex Factors; D012959:Socioeconomic Factors; D055105:Waist Circumference; D055815:Young Adult
keywords: Abdominal obesity; GEE; Obesity; Sociodemographic; Trend