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Table 3 Detailed decomposition of the gender difference in high-risk drinking: raw estimates and percentage contributions (n = 23587)

From: Why is high-risk drinking more prevalent among men than women? evidence from South Korea

  Composition effect (C) Pure tendency effect (D)
  Raw effect Contrib Raw effect Contrib
  Estimate s.e. p-value (%) Estimate s.e. p-value (%)
Age (years)         
   < 30 -0.05 0.000 < 0.0000 -0.16 -1.930 0.001 < 0.0000 -6.48
   30-39 0.10 0.000 < 0.0000 0.35 -0.698 0.001 < 0.0000 -2.34
   40-49 0.12 0.000 < 0.0000 0.39 -0.192 0.001 0.1366 -0.65
   50-59 -0.02 0.000 0.0291 -0.06 0.565 0.001 < 0.0000 1.90
   ≥ 60 0.57 0.000 < 0.0000 1.92 2.451 0.002 < 0.0000 8.23
Marital status         
   Non-married -0.12 0.001 0.0321 -0.39 -1.180 0.001 < 0.0000 -3.96
   Married -0.12 0.001 0.0300 -0.39 2.507 0.003 < 0.0000 8.42
Education         
   Lower than college -0.08 0.001 0.3231 -0.27 -1.576 0.003 < 0.0000 -5.29
   College or higher -0.08 0.001 0.3208 -0.27 0.459 0.001 < 0.0000 1.54
Occupational status         
   Unemployed 0.53 0.003 0.0760 1.79 0.295 0.003 0.3615 0.99
   Non-manual -0.06 0.001 0.5735 -0.20 0.093 0.001 0.1937 0.31
   Manual 0.46 0.002 0.0027 1.54 -0.441 0.002 0.0043 -1.48
Household income         
   Lowest quartile 0.06 0.000 0.1098 0.20 0.105 0.002 0.4973 0.35
   2nd lowest quartile -0.01 0.000 0.0816 -0.02 -0.258 0.001 0.0502 -0.87
   2nd highest quartile 0.02 0.000 0.0815 0.07 0.031 0.001 0.8051 0.11
   Highest quartile 0.03 0.000 0.0705 0.10 0.116 0.001 0.3906 0.39
Body mass index         
   < 20 -0.11 0.000 0.0057 -0.38 -0.177 0.002 0.4109 -0.59
   20-24 0.16 0.000 < 0.0000 0.52 0.631 0.003 0.0410 2.12
   25-29 0.00 0.000 0.1052 0.02 0.249 0.002 0.1041 0.84
   ≥ 30 -0.06 0.000 0.0149 -0.21 -0.056 0.000 0.2085 -0.19
Stress         
   Very low 0.02 0.000 0.0027 0.07 0.165 0.001 0.1472 0.56
   Low -0.01 0.000 0.0004 -0.03 0.502 0.002 0.0391 1.69
   High 0.00 0.000 0.0920 0.01 -0.101 0.002 0.5248 -0.34
   Very high 0.01 0.000 0.0013 0.03 -0.107 0.001 0.0575 -0.36
Survey year         
   1998 -0.04 0.000 < 0.0000 -0.14 3.149 0.002 < 0.0000 10.57
   2001 0.00 0.000 0.0004 0.00 -0.637 0.001 < 0.0000 -2.14
   2005 -0.07 0.000 < 0.0000 -0.24 -2.264 0.001 < 0.0000 -7.60
G-S tendency effect (G) - - - - 26.813 0.010 < 0.0000 90.05
Total 1.262 0.004 0.0028 4.24 28.515 0.007 < 0.0000 95.76
  1. Notes: G-S tendency effect (G) denotes the gender-specific high-risk-drinking tendency effect; given the small magnitude of difference, estimates in raw effects are multiplied by 100; C+D+G equals 0.298, being consistent with the gender difference in the proportion of high-risk drinking; non-married for marital status includes never-married, separated, widowed, and divorced participants; unemployed includes students and housewives; household income is standardized by household size; s.e. denotes standard error; contrb denotes contribution.