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BMJ Open. 2014 Aug 19;4(8):e005710. doi: 10.1136/bmjopen-2014-005710.

Relationship between socioeconomic status and type 2 diabetes: results from Korea National Health and Nutrition Examination Survey (KNHANES) 2010-2012.

Author information

1
Centre for Research on Inner City Health, St. Michael's Hospital, Toronto, Ontario, Canada.
2
Graduate School of Public Health, Seoul National University, Seoul, Korea.

Abstract

OBJECTIVE:

To examine the relationship between socioeconomic status (SES) and type 2 diabetes using the Korea National Health and Nutrition Examination Survey (KNHANES) 2010-2012.

DESIGN:

A pooled sample cross-sectional study.

SETTING:

A nationally representative population survey data.

PARTICIPANTS:

A total of 14,330 individuals who participated in the KNHANES 2010-2012 were included in our analysis.

PRIMARY OUTCOME:

Prevalence of type 2 diabetes.

RESULTS:

The relationship between SES and type 2 diabetes was assessed using logistic regression after adjusting for covariates including age, gender, marital status, region, body mass index, physical activity, smoking and high-risk drinking behaviour. After adjustment for covariates, our results indicated that individuals with the lowest income were more likely to have type 2 diabetes than those with the highest income (OR 1.35; 95% CI 1.08 to 1.72). In addition, lower educational attainment was an independent factor for a higher prevalence of type 2 diabetes in Korea.

CONCLUSIONS:

These findings suggest the need for developing a health policy to ameliorate socioeconomic inequalities, in particular income and education-related disparities in type 2 diabetes, along with risk factors at the individual level. In addition, future investigations of type 2 diabetes among Koreans should pay more attention to the social determinants of diabetes in order to understand the various causes of the condition.

KEYWORDS:

Diabetes; Health policy; KNHANES; PUBLIC HEALTH; Socioeconomic status

PMID:
25138810
PMCID:
PMC4139629
DOI:
10.1136/bmjopen-2014-005710
[Indexed for MEDLINE]
Free PMC Article

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