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Age and sex differences of risk factors associated with obesity in Saint-Petersburg inhabitants.

Session Poster Session III - Friday 08:30 - 12:30

Speaker Alexander Orlov

Event : ESC Preventive Cardiology (Formerly EuroPrevent) 2015

  • Topic : preventive cardiology
  • Sub-topic : Lipids
  • Session type : Poster Session

Authors : A Orlov (Saint-Petersburg,RU), O Rotar (Saint-Petersburg,RU), M Boyarinova (Saint-Petersburg,RU), A Alieva (Saint-Petersburg,RU), E Dudorova (Saint-Petersburg,RU), V Solntsev (Saint-Petersburg,RU), E Baranova (Saint-Petersburg,RU), A Konradi (Saint-Petersburg,RU), E Shlakhto (Saint-Petersburg,RU)

A Orlov1 , O Rotar1 , M Boyarinova1 , A Alieva1 , E Dudorova1 , V Solntsev2 , E Baranova2 , A Konradi1 , E Shlakhto2 , 1Federal Almazov Medical Research Centre, Hypertension Department - Saint-Petersburg - Russian Federation , 2Federal Almazov Medical Research Centre - Saint-Petersburg - Russian Federation ,


Objective. The aim of our study was to estimate age and sex characteristics of obesity-related risk factors (RF) in general population of St.Petersburg, Russia.

Design and methods. As a part of all-Russian epidemiology survey ESSE-RF random sampling of 1600 Saint-Petersburg inhabitants 25-64 years stratified by age and sex was performed - (573 (36%) men and 1027 (64%) women). All subjects were stratified in 4 age decades: 25-35 (309 subjects (19,3%)), 36-45 (316 (19,8%)), 46-55 (457 (28,6%)) and 56-65 (518 (32,4%)) y/o. All participants signed informed consent and filled in the questionnaire regarding physical activity, education, and nutrition. Anthropometry (weight, height with body-mass index (BMI) calculation, waist circumference (WC)) was performed.

Results. The high education had 277 (47,3%) men and 504 (49,1%) women. No impact of educational level on behavioral RF was observed. Obesity was more often detected in females according to different WC criteria: 88 sm for females/102 sm for males - in women 667 (46%), in men 291 (30%) (?2=30,7, p<0,001) and 80 sm for females/ 94 sm for males – 470 (66%) and 168 (51%) (?2=41,4, p<0,001). No differences in obesity prevalence were found according to BMI criteria – in 178 (31%) women and 352 (35%) men. The increase of obesity with age was found: BMI - 1,6 kg/m2/decade ((ß=1,6, 95% CI 1,4 - 1,8), ?<0,001), WC in women - 5,2 sm/decade (ß=5,2, 95% CI 4,5 - 6,0, p<0,001) and WC in men – 2,8 sm/decade (ß=2,8, 95% CI 1,8 – 3,6), ?<0,001).

Optimal level of physical activity (walking>300 minutes/day) was equally documented in both genders - 540 (61,2%) women and 286 (58,9%) men. It was higher in the oldest age group (301 (70%)), compared with any younger subgroup (p<0,001). Walking time/week increased in 30 min/decade (ß=30, 95% CI 13 – 46), ?<0,001). Interestingly, no association between physical activity level and BMI or WC was found.

Daily intake of sweets was recorded higher in women 539 (52,5%) than in men 228 (39,8%),  (?2=23,7, p<0,001); it was associated with obesity only in subjects older 45 y/o (by BMI, ?2=12,7, p<0,001).

Conclusions. The increase with age of obesity prevalence and BMI and WC was observed, 2 times higher (by WC) in females. Education was not associated with lifestyle behavior. Surprisingly, physical activity lower in younger age groups, which may be connected with increased sedentarism in modern lifestyle in European population including Russia.

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