Prevalence and Trends of Obesity and Association with Socioeconomic Status in Thai Adults: National Health Examination Surveys, 1991–2009

Table 2

Adjusted odds ratio (95% CI) for overweight and obesity associated with educational levels in Thai adults, 2009.

	OR (95% CI)
	Men			Women
	Overweight (BMI 23–<25 kg/m^2)	Obesity class I (BMI 25–<30 kg/m^2)	Obesity class II (BMI ≥ 30 kg/m^2)	Overweight (BMI 23–<25 kg/m^2)	Obesity class I (BMI 25–<30 kg/m^2)	Obesity class II (BMI ≥ 30 kg/m^2)
	(𝑁 = 1,717)	(𝑁 = 2,118)	(𝑁=504)	(𝑁 = 1,772)	(𝑁 = 3,064)	(𝑁 = 1,193)
Age (per 10 years)	1.00 (1.00, 1.01)	1.00 (0.99, 1.01)	0.99 (0.98, 1.00)	1.00 (1.0, 1.01)	1.00 (0.99, 1.01)	0.99 (0.99, 1.00)
Area of residence
Urban	1.4 (1.1, 1.7)	1.5 (1.2, 1.9)	1.7 (1.2, 2.4)	1.3 (1.1, 1.6)	1.2 (1.0, 1.5)	1.5 (1.2, 1.8)
Rural	1.0	1.0	1.0	1.0	1.0	1.0
Education level
Less than primary	1.0	1.0	1.0	1.0	1.0	1.0
Primary	1.5 (0.8, 2.9)	2.9 (1.8, 4.8)	1.1 (0.4, 3.1)	1.7 (0.9, 3.1)	1.9 (1.4, 2.7)	2.4 (1.4, 3.9)
Secondary	1.6 (0.9, 2.9)	3.5 (1.9, 6.5)	1.6 (0.5, 4.6)	1.2 (0.7, 2.1)	1.0 (0.6, 1.6)	1.3 (0.7, 2.2)
University	2.2 (1.1, 4.7)	4.6 (2.2, 9.6)	1.5 (0.5, 4.9)	0.9 (0.4, 2.0)	0.7 (0.5, 1.0)	0.7 (0.4, 1.5)

Multinomial logistic regression model, including age, area of residence, geographic region, smoking status, and educational levels.