Analysis on relative influencing factors of overweight and obesity in Guangdong province

  Objective   To identify the relative risk factors of overweight and obesity of people aged 18 and elder in Guangdong province.

  Methods   The cross-sectional survey population was a representative sample of Guangong province obtained through multi-stage randomized cluster sampling.Data of socialeconomic status were collected by face-to-face interview.The data of weight and height was obtained by physical examination.

  Results   There were 15 130 people were interviewed and physically measured.The crude prevalence rates of overweight and obesity were 16.8% and 1.8%, respectively, and the age-adjusted rates were 15.0% and 1.8%, respectively.The results of Logistic regression analysis showed that major risk factors influencing overweight were household income, age, gender, smoking, physical activity and residenc, and the OR value were 1.29, 1.11, 0.78, 0.77, 0.72 and 0.53, respectively.For obesity, they were household income, age, physical activity and residence, theOR values were 1.47, 1.14, 0.76 and 0.41 respectively.

  Conclusion   Physical activity was an important preventable influencing factor.Health education and sports field access should be enhanced to increase physical activity.