Factors contributing to educational differences in obesity among women: evidence from South Korea

BMC Public Health

Table 3 Contributions (%) due to composition and association effects to the difference in obesity rates between less- and highly-educated women for each model: Korea National Health and Nutrition Examination Survey, 2010–2014 (N = 14,577)

Characteristics	Less-educated vs. Highly-educated
Characteristics	Difference	Model 1	Model 2	Model 3
Difference in obesity prevalence	18.3
Overall composition effects		36.4	41.8	44.2
Demographic		36.4	33.5	38.2
Socioeconomic		–	8.3	8.3
Lifestyle		–	–	−2.3
Overall association effects		63.6	58.2	55.8
Demographic		13.0	11.5	9.8
Socioeconomic		–	3.5	3.0
Lifestyle		–	–	43.6
Group-specific		50.6	43.2	−0.6
Total		100.0	100.0	100.0

Note: N Number
Less-educated denoted high school education or less. Highly-educated denoted college degree or higher
Model 1 included demographic variables (age, marital status, and residential area) as independent variables
Model 2 added socioeconomic variables (occupational status and household income) to the independent variables in Model 1
Model 3 added lifestyle variables (smoking, risk from alcohol intake, walking exercise activity, and self-perceived stress) to the independent variables in Model 2

ISSN: 1471-2458