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Table 3 The association between obesity and SES among enrolled adult participants aged 18–80 years by gender and age groups in rural Hanzhong, Shaanxi province in 2010 ab

From: Association of obesity with socioeconomic status among adults of ages 18 to 80 years in rural Northwest China

Class differences Abdominal obesity Overweight/obesity
(WC ≥ 85 cm for male and WC ≥ 80 cm for female) (BMI ≥ 24 kg/m2)
Female   
Annual net income per capita   
   Medium 1.23 (0.97, 1.57) 1.38 (1.06, 1.78)*
   High 1.22 (0.96, 1.56) 1.49 (1.16, 1.92)*
Level of education   
   Medium 0.89 (0.69, 1.14) 0.94 (0.72, 1.23)
   High 0.69 (0.56, 0.86)* 0.78 (0.62, 0.98)*
Male   
Annual net income per capita   
   Medium 1.75 (1.24, 2.46)* 1.74 (1.23, 2.47)*
   High 1.52 (1.10, 2.11)* 1.74 (1.25, 2.42)*
Level of education   
   Medium 1.13 (0.73, 1.74) 1.81 (1.14, 2.86)*
   High 1.64 (1.12, 2.41)* 2.26 (1.50, 3.42)*
Gender differences   
   Men 1.00 1.00
   Women 1.08 (0.91, 1.28) 0.77 (0.60, 0.98)*
The youngest participants   
Annual net income per capita   
   Medium 1.26 (0.81, 1.94) 1.32 (0.84, 2.08)
   High 1.35 (0.88, 2.07) 1.50 (0.97, 2.34)
Level of education   
   Medium 1.36 (0.79, 2.35) 2.14 (1.16, 3.94)*
   High 1.14 (0.69, 1.90) 1.80 (1.01, 3.19)*
The oldest participants   
Annual net income per capita   
   Medium 1.76 (1.29, 2.42)* 1.67 (1.20, 2.30)*
   High 1.18 (0.87, 1.60) 1.29 (0.94, 1.77)
Level of education   
   Medium 0.88 (0.64, 1.20) 1.01 (0.73, 1.41)
   High 0.96 (0.73, 1.31) 1.19 (0.86, 1.65)
Difference by age groups   
   The youngest participants 1.00 1.00
   The medium participants 1.58 (1.31, 1.90)* 1.40 (1.16, 1.69)*
   The oldest participants 1.58 (1.32, 1.90)* 1.22 (1.01, 1.47)*
  1. aThe stratified analysis was conducted for all participants and separate multivariate logistic models were fit for each gender groups and age groups when socio-demographic factors and risk factors were adjusted for. The low-SES group was treated as the reference group.
  2. bValues were given as adjusted odds ratio (95% CI) unless otherwise stated.
  3. *Denote P < 0.05.