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Table 2 The odds ratio (OR) of suicidal ideation in relation to body mass index, and subjective body shape. Results from multivariate logistic regression. Korean Community Health Survey 2017

From: Body mass index, subjective body shape, and suicidal ideation among community-dwelling Korean adults

Variables Suicidal ideation, OR(95% CI)
All (N = 222,037) Young adults (N = 99,831) Middle-aged adults (N = 84,913) Older adults (N = 37,293)
Body shape discordance (Healthyweight-normal = ref.)
 Underweight-skinny 1.16 (1.03, 1.31)* 1.19 (0.98, 1.45) 1.32 (1.02, 1.72)* 1.16 (0.97, 1.40)
 Underweight-normal/fat 1.10 (0.89, 1.37) 1.00 (0.73, 1.36) 1.32 (0.88, 2.00) 1.26 (0.86, 1.85)
 Healthyweight-skinny 1.06 (0.98, 1.14) 1.14 (0.97, 1.34) 1.07 (0.94, 1.22) 1.10 (0.98, 1.24)
 Healthyweight-fat 1.12 (1.04, 1.20)** 1.11 (0.98, 1.25) 1.04 (0.92, 1.22) 1.19 (1.04, 1.37)*
 Overweight-skinny/normal 0.97 (0.85, 1.11) 0.69 (0.47, 1.02) 0.93 (0.74, 1.16) 1.14 (0.96, 1.36)
 Overweight-fat 1.14 (1.06, 1.22)*** 1.18 (1.05, 1.33)** 1.08 (0.97, 1.21) 1.10 (0.97, 1.24)
Sex (female) 1.40 (1.32, 1.49)*** 1.60 (1.43, 1.79)*** 1.28 (1.15, 1.42)*** 1.14 (1.03, 1.26)*
Age (years) 1.01 (1.00, 1.01)*** 1.03 (1.02, 1.04)*** 0.99 (0.98, 1.00)* 1.00 (0.99, 1.01)
Education (College and more = ref.)
 Less than elementary school graduate 1.38 (1.25, 1.53)*** 3.38 (1.92, 5.92)*** 1.70 (1.45, 1.99)*** 1.46 (1.20, 1.79)***
 Middle school graduate 1.41 (1.28, 1.55)*** 2.62 (1.96, 3.51)*** 1.26 (1.09, 1.46)** 1.35 (1.08, 1.69)**
 High school graduate 1.30 (1.21, 1.38)*** 1.39 (1.26, 1.53)*** 1.23 (1.10, 1.37)*** 1.20 (0.97, 1.50)
Monthly household income (≥$6000 = ref.)
 < $1000 1.95 (1.74, 2.19)*** 2.23 (1.77, 2.82)*** 2.30 (1.91, 2.76)*** 1.15 (0.90, 1.46)
 < $2000 1.61 (1.44, 1.79)*** 1.65 (1.37, 1.98)*** 1.96 (1.67, 2.31)*** 0.80 (0.62, 1.03)
 < $3000 1.44 (1.30, 1.59)*** 1.53 (1.30, 1.79)*** 1.54 (1.32, 1.80)*** 0.79 (0.60, 1.03)
 < $4000 1.22 (1.10, 1.36)*** 1.22 (1.04, 1.42)* 1.31 (1.11, 1.54)** 0.74 (0.55, 0.99)*
 < $5000 1.10 (0.99, 1.23) 1.11 (0.94, 1.31) 1.15 (0.97, 1.36) 0.79 (0.57, 1.09)
 < $6000 1.15 (1.01, 1.30)* 1.15 (0.96, 1.37) 1.17 (0.96, 1.43) 1.01 (0.71, 1.45)
Living alone (yes) 1.03 (0.95, 1.10) 0.97 (0.83, 1.13) 1.17 (1.04, 1.32)** 1.05 (0.94, 1.17)
Economic activity (yes) 0.96 (0.91, 1.02) 0.85 (0.77, 0.94)** 0.97 (0.88, 1.06) 0.88 (0.80, 0.97)*
Self-rated health (fair/poor) 1.69 (1.59, 1.80)*** 1.78 (1.55, 2.04)*** 1.75 (1.59, 1.93)*** 1.63 (1.48, 1.79)***
Depression (0–27) 1.34 (1.33, 1.35)*** 1.37 (1.35, 1.39)*** 1.38 (1.36, 1.40)*** 1.28 (1.26, 1.29)***
Current drinking status (yes) 1.21 (1.14, 1.29)*** 1.09 (0.95, 1.24) 1.23 (1.12, 1.35)*** 1.12 (1.03, 1.23)*
Current smoking status (yes) 1.33 (1.25, 1.44)*** 1.15 (1.02, 1.31)* 1.34 (1.19, 1.51)*** 1.39 (1.21, 1.60)***
Weight control practice (yes) 1.09 (1.03, 1.15)** 1.11 (0.99, 1.24) 1.04 (0.95, 1.14) 1.09 (1.00, 1.19)
Physical activity (yes) 1.05 (0.99, 1.12) 1.06 (0.95, 1.17) 1.05 (0.95, 1.16) 1.03 (0.91, 1.17)
Nagelkerke R2 .298 .296 .300 .290
  1. OR Odds ratio, CI Confidence interval
  2. * P < .05, **P < .01, *** P < .001