title: Characteristics of treatment drop-outs among two samples of chronic headache patients.
abstract: To examine the psychological characteristics of those who terminate treatment for headaches prematurely, this investigation employed 179 posttraumatic headache patients and 67 nontrauma headache patients who underwent electromyographic (EMG) biofeedback therapy. Dependent variables included the patient's age, socioeconomic status, duration of headache, forehead EMG levels, and MMPI. Multivariate analyses of variance revealed no significant differences between the drop-outs and non-drop-outs among the trauma headache patients, but three MMPI scales (Psychopathic-Deviate, Paranoia, and Mania) were significantly higher among the nontrauma headache patients who dropped out of treatment. These data imply that different characteristics underlie the drop-out behavior for different pain conditions and that efforts to uncover a single drop-out pattern may not be realistic.
authors.affiliation: Straub Clinic and Hospital, Honolulu, HI 96813.
authors.forename: W T
authors.initials: WT
authors.lastname: Tsushima
authors.forename: V M
authors.initials: VM
authors.lastname: Stoddard
authors.forename: V G
authors.initials: VG
authors.lastname: Tsushima
authors.forename: J
authors.initials: J
authors.lastname: Daly
mesh_terms: D000367:Age Factors; D001676:Biofeedback, Psychology; D002908:Chronic Disease; D004576:Electromyography; D006261:Headache / Q000209:etiology / Q000523:psychology / Q000628:therapy*; D006801:Humans; D008950:MMPI; D015999:Multivariate Analysis; D009129:Muscle Tonus; D010352:Patient Dropouts / Q000145:classification / Q000523:psychology* / Q000706:statistics & numerical data; D012064:Relaxation Therapy; D012923:Social Class; D014947:Wounds and Injuries / Q000150:complications