Table 3

Age-adjusted OR, 95% CI and RII in obesity by SES from 2001 to 2014

KNHANES
II
2001
III
2005
IV
2007–2009
V
2010–2012
VI
2013–2014
Men
 Education (year)
  ≥1311111
  10–120.96 (0.78 to 1.20)0.86 (0.66 to 1.12)0.91 (0.79 to 1.04)0.89 (0.76 to 1.04)1.03 (0.86 to 1.23)
  7–90.90 (0.64 to 1.26)0.90 (0.57 to 1.44)0.80 (0.65 to 1.00)0.88 (0.67 to 1.14)0.94 (0.68 to 1.30)
  ≤60.83 (0.55 to 1.23)0.43 (0.27 to 0.67)0.74 (0.58 to 0.93)0.64 (0.48 to 0.84)0.80 (0.57 to 1.11)
 RII (95% CI)0.95 (0.66 to 1.38)0.63 (0.40 to 0.98)0.74 (0.58 to 0.94)0.79 (0.60 to 1.03)0.98 (0.72 to 1.34)
 p For trend0.673
 Income
  Q1 (highest)11111
  Q21.15 (0.88 to 1.51)0.89 (0.63 to 1.26)1.02 (0.86 to 1.21)0.89 (0.73 to 1.08)0.90 (0.73 to 1.10)
  Q30.92 (0.70 to 1.20)0.71 (0.52 to 0.97)1.02 (0.84 to 1.23)0.97 (0.81 to 1.17)1.15 (0.91 to 1.44)
  Q4 (lowest)1.11 (0.83 to 1.47)0.76 (0.55 to 1.06)0.96 (0.80 to 1.15)0.74 (0.61 to 0.90)0.85 (0.69 to 1.05)
 RII (95% CI)1.02 (0.71 to 1.45)0.66 (0.43 to 1.02)0.95 (0.75 to 1.20)0.72 (0.57 to 0.92)0.91 (0.70 to 1.20)
 p For trend0.778
Women
 Education (year)
  ≥1311111
  10–122.64 (1.93 to 3.60)1.99 (1.43 to 2.77)1.74 (1.46 to 2.08)1.90 (1.59 to 2.28)1.76 (1.43 to 2.18)
  7–95.53 (3.83 to 7.98)2.84 (1.86 to 4.34)2.49 (1.98 to 3.12)2.45 (1.92 to 3.12)2.92 (2.16 to 3.96)
  ≤63.79 (2.52 to 5.72)3.42 (2.28 to 5.15)3.55 (2.81 to 4.50)2.65 (2.09 to 3.37)3.99 (2.92 to 5.45)
 RII (95% CI)3.19 (2.23 to 4.57)3.45 (2.17 to 5.47)3.57 (2.83 to 4.51)2.93 (2.29 to 3.73)4.01 (2.94 to 5.49)
p For trend0.617
 Income
  Q1 (highest)11111
  Q21.17 (0.90 to 1.51)1.50 (1.06 to 2.11)1.05 (0.87 to 1.26)1.32 (1.07 to 1.63)1.65 (1.29 to 2.10)
  Q31.30 (0.97 to 1.73)1.43 (1.03 to 1.98)1.48 (1.24 to 1.77)1.51 (1.25 to 1.83)1.97 (1.58 to 2.47)
  Q4 (lowest)1.53 (1.15 to 2.03)1.63 (1.16 to 2.29)1.61 (1.34 to 1.93)1.88 (1.54 to 2.29)2.21 (1.74 to 2.81)
 RII (95% CI)1.72 (1.19 to 2.48)1.73 (1.15 to 2.61)2.03 (1.61 to 2.56)2.21 (1.73 to 2.83)2.69 (2.02 to 3.59)
 p For trend0.032
  • KNHANES, Korean National Health and Nutrition Examination Survey; RII, relative index of inequality; SES, socioeconomic status.