Ten-year prospective study on adult obesity in Jiangsu province

doi:10.3969/j.issn.2095-4344.2013.46.025

Abstract

Abstract:

BACKGROUND: Longitudinal study of changes in obesity is an important method to explore the etiology, which can provide scientific basis for preventing and controlling obesity.
OBJECTIVE: To investigate the effect of age, observation period and birth cohort on the obesity prevalence of adults in Jiangsu province through the age-period-cohort analysis.
METHODS: 20-69-year-old adults in Jiangsu province were collected as the research objects. The stratified cluster sampling method was used to collect the obese data in 2000-2010, and analyzed with SAS software.
RESULTS AND CONCLUSION: Obesity prevalence of 1946-1950 birth cohort to 1976-1980 birth cohort was gradually increased (P < 0.05) from 2000 to 2010. Obesity prevalence from 1931-1935 birth cohort to 1941-1945 birth cohort was not significantly increased (P > 0.05). With the increasing age in each age group of over 25 years old, the risk of obesity was increased gradually. There were significant differences in the odds ratios between the baseline groups of 20-25 years old and the age groups of over 25 years (P < 0.05). Compared with the 1995-1999 birth cohort, the other periods had a slight influence on the obesity prevalence (P > 0.05). Compared with 1976-1980 birth cohort, there were no significant differences in the risks of obesity of the birth cohorts after 1951-1955 (P > 0.05). But the risk of obesity from 1946-1950 birth cohort to 1931-1935 birth cohort was gradually increased (P < 0.05). The 1936-1940 birth cohort ranked in the highest risk of obesity (odds ratio=2.93). With the increasing of the age, the risk of obesity was increased gradually; the impact of era changes on obesity was not significant since the 2000; obesity risks of those born in the different times were different; rural area will be the key area of obesity control in the future, and the key population of the excessive growth in obesity control was those aged less than 45 years old.

Key words: obesity, adult, body weight changes, cohort studies, age factors, linear models

CLC Number:

R394.2

Li Sen, Huang Hui-ming, Xu Hao, Huang Jian-ya. Ten-year prospective study on adult obesity in Jiangsu province[J]. Chinese Journal of Tissue Engineering Research, 2013, 17(46): 8133-8140.

Figures/Tables 5

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