Noncancer pain conditions and risk of suicide.

Ilgen MA, Kleinberg F, Ignacio RV, Bohnert AS, Valenstein M, McCarthy JF, Blow FC, Katz IR. Noncancer pain conditions and risk of suicide. JAMA psychiatry (Chicago, Ill.). 2013 Jul 1; 70(7):692-7.

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Abstract:

IMPORTANCE: There are limited data on the extent to which suicide mortality is associated with specific pain conditions. OBJECTIVE: To examine the associations between clinical diagnoses of noncancer pain conditions and suicide among individuals receiving services in the Department of Veterans Affairs Healthcare System. DESIGN: Retrospective data analysis. SETTING: Data were extracted from National Death Index and treatment records from the Department of Veterans Healthcare System. PARTICIPANTS: Individuals receiving services in fiscal year 2005 who remained alive at the start of fiscal year 2006 (N? = 4?863?086). MAIN OUTCOMES AND MEASURES: Analyses examined the association between baseline clinical diagnoses of pain-related conditions (arthritis, back pain, migraine, neuropathy, headache or tension headache, fibromyalgia, and psychogenic pain) and subsequent suicide death (assessed in fiscal years 2006-2008). RESULTS: Controlling for demographic and contextual factors (age, sex, and Charlson score), elevated suicide risks were observed for each pain condition except arthritis and neuropathy (hazard ratios ranging from 1.33 [99% CI, 1.22-1.45] for back pain to 2.61 [1.82-3.74] for psychogenic pain). When analyses controlled for concomitant psychiatric conditions, the associations between pain conditions and suicide death were reduced; however, significant associations remained for back pain (hazard ratio, 1.13 [99% CI, 1.03-1.24]), migraine (1.34 [1.02-1.77]), and psychogenic pain (1.58 [1.11-2.26]). CONCLUSIONS AND RELEVANCE: There is a need for increased awareness of suicide risk in individuals with certain noncancer pain diagnoses, in particular back pain, migraine, and psychogenic pain.