Table 2

Association of MDD symptoms with suicidal ideation (N=1266)

MDD symptomsn (%)Suicidal ideation (n=34)
Model 1* (non-adjusted)Model 2† (adjusted)Model 3‡ (adjusted)Sensitivity (%)Specificity (%)AUC (95% CI)
OR (95% CI)p ValueOR (95% CI)p ValueOR (95% CI)p Value
Depressive mood92 (7.3)11.8 (5.8 to 24.2)<0.0111.5 (5.6 to 23.6)<0.0111.2 (5.4 to 23.0)<0.0144.193.80.69 (0.66 to 0.71)
Loss of interest117 (9.2)3.2 (1.4 to 7.2)<0.013.5 (1.5 to 7.9)<0.013.5 (1.5 to 8.0)<0.0123.591.20.57 (0.55 to 0.60)
Weight loss48 (3.8)4.8 (1.8 to 12.9)<0.014.9 (1.8 to 13.5)<0.015.0 (1.8 to 13.8)<0.0114.796.50.56 (0.53 to 0.58)
Insomnia455 (35.9)2.0 (1.0 to 4.1)0.041.9 (0.9 to 3.8)0.071.8 (0.9 to 3.7)0.0952.964.50.59 (0.56 to 0.61)
Psychomotor agitation741 (58.5)2.4 (1.1 to 5.2)0.042.2 (0.9 to 5.0)0.062.2 (0.9 to 4.9)0.0676.542.00.59 (0.56 to 0.62)
Fatigue920 (72.7)2.9 (0.9 to 8.2)0.062.6 (0.9 to 7.6)0.072.6 (0.9 to 7.5)0.0861.884.70.58 (0.55 to 0.61)
Worthlessness210 (16.6)8.9 (4.4 to 18.1)<0.018.6 (4.2 to 17.5)<0.018.5 (4.1 to 17.4)<0.0161.884.70.73 (0.71 to 0.76)
Concentration loss274 (21.6)6.3 (3.1 to 12.7)<0.016.3 (3.1 to 12.8)<0.016.1 (3.0 to 12.5)<0.0161.879.50.71 (0.62 to 0.79)
  • Bold typeface indicates statistically significant at p<0.05.

  • *Model 1 was the crude analysis.

  • †Model 2 was adjusted for sex and age (used as categorical variables).

  • ‡Model 3 was adjusted for sex, age (used as categorical variables) and lifestyle factors (smoking status, alcohol consumption and exercise).

  • MDD, major depressive disorder.