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Table 5 Associations of Suicidal Ideation and High Suicide Risk in Cluster Headache Patients

From: Demoralization predicts suicidality in patients with cluster headache

Outcome: Passive or Active Suicidal Ideation
Variable Odds Ratio (95% CI) p-value
Chronic Cluster Headachea 2.03 (0.74, 5.57) 0.17
Lifetime depressionb 1.89 (0.66, 5.46) 0.24
Demoralizedc 6.66 (1.56, 28.49) 0.01*
Age (per 1 year) 0.98 (0.94, 1.02) 0.25
Male sexd 1.82 (0.60, 5.47) 0.29
Caucasiane 1.09 (0.21. 4.56) 0.99
Currently Marriedf 1.11 (0.34, 3.64) 0.87
Completed Collegeg 0.43 (0.13, 1.43) 0.17
High/Middle Incomeh 0.97 (0.29, 3.29) 0.96
Regular Drug Use historyi 1.15 (0.36, 3.66) .081
Regular Alcohol Use historyj 0.53 (0.08, 3.56) 0.51
Outcome: SBQ-R Score (Range 3-18)
Variable SBQ-R Score points (95% CI) p-value
Chronic Cluster Headachea 1.1 (0.0, 2.2) 0.056
Lifetime depressionb 1.6 (0.3, 2.8) 0.02*
Demoralizedc 2.8 (1.5, 4.1) 0.0001*
Age (per 10 year) 0.1 (−0.3, 0.6) 0.63
Male sexd −0.2 (−1.3, 1.0) 0.79
Caucasiane 0.1 (−2.1, 2.4) 0.91
Currently Marriedf −0.2 (−1.3, 1.0) 0.78
Completed Collegeg −0.8 (− 2.1, 0.4) 0.20
High/Middle Incomeh 0.0 (−1.3, 1.2) 0.94
Regular Drug Use historyi 0.6 (−0.6, 1.9) 0.31
Regular Alcohol Use historyj 1.3 (−0.8, 3.4) 0.22
  1. Reference groups: aChronic cluster headache: referent episodic cluster; bLifetime depression: referent no depression; cDemoralization: defined as fulfilling demoralization diagnostic criteria for use in psychosomatic research or KDS score ≥ 42; dMale gender: referent female; eCaucasian: referent other races; fCurrently married: referent currently single, divorced, widowed; gCompleted college: referent did not complete collegel; hHigh/middle income: referent low income (< $3000 monthly); iRegular drug use: period of one year when drugs were used weekly, referenced to those that did not have such a period; jHistory of regular alcohol use: period of one year when 3 or more drinks at least 3 times per week, referenced to those who did not have such a period
  2. * = p<0.05
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