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Table 3 Association of low blood pressure with suicidal ideation in four different cut-off levels for low blood pressure

From: Association of low blood pressure with suicidal ideation: a cross-sectional study of 10,708 adults with normal or low blood pressure in Korea

  Low blood pressure criteria
SBP < 110 mmHg SBP < 100 mmHg SBP < 95 mmHg SBP < 90 mmHg
Odds ratio (95% CI)
Crude Model 1.07 (0.91 to 1.26) 1.33 (1.14 to 1.56)*** 1.57 (1.28 to 1.93)*** 2.07 (1.43 to 2.98)**
  Covariates     
Model I Age, Sex, BMI, Total cholesterol level 1.01 (0.85 to 1.20) 1.26 (1.06 to 1.49)** 1.44 (1.17 to 1.78)*** 1.87 (1.24 to 2.65)**
Model II Model I + Household income, Educational level, Marital status 1.10 (0.92 to 1.32) 1.34 (1.13 to 1.59)*** 1.50 (1.21 to 1.87)*** 1.81 (1.26 to 2.77)**
Model III Model II + Current smoking status, Alcohol intake 1.07 (0.89 to 1.29) 1.35 (1.13 to 1.62)*** 1.51 (1.19 to 1.90)*** 1.81 (1.17 to 2.77)**
Model IV Model III + Sex*Age 1.03 (0.85 to 1.24) 1.29 (1.08 to 1.55)** 1.44 (1.14 to 1.82) ** 1.71 (1.11 to 2.62) *
Model V Model IV + DM, Stroke, MI/Angina pectoris, Depression 1.04 (0.86 to 1.26) 1.25 (1.04 to 1.50)* 1.43 (1.13 to 1.81) ** 1.74 (1.14 to 2.68) *
  1. Asterisks indicate statistical significance (*p < 0.05, **p < 0.01, *** p < 0.001)
  2. Reference is normal blood pressure (100 ≤ SBP < 120 mmHg & DBP < 80 mmHg) group
  3. SBP Systolic Blood Pressure, BMI Body Mass Index, DM Diabetes Mellitus, MI Myocardial infarction