Suicidality and Suicide Attempt Among HIV Patients on Efavirenz-containing Versus Efavirenz-free Antiretroviral Regimens

Number of suicide attempt cases, defined as an inpatient or emergency room claim with at least one ICD-9-CM code for suicide attempt

Time frame: Patients will be followed from date of index fill of efavirenz or comparator antiretrovirals until earliest of date of suicidality claim,30th day after the last day of the days supply of the index medication,last day of enrollment or end of study period

Number of suicide attempt cases

Expanded definition, defined as an inpatient of emergency department claim for suicidal attempt or a claim for toxic effects of poisoning, open wound to elbow, wrist or forearm, of asphyxiation plus a diagnosis of psychiatric disorders

Time frame: Patients will be followed from date of index fill of efavirenz or comparator antiretrovirals until earliest of date of suicidality claim,30th day after the last day of the days supply of the index medication,last day of enrollment or end of study period