Table 4. Measures of mental health-related quality of life. Scale Name and Acronym Factor assessed Length Reliability: internal consistency (Cronbach Alpha) Other useful information Short Form 36 Questionnaire Mental Health Component (SF-36 MCS) (Ware Jr and Sherbourne, 1992) Mental Health (MH) component: psychological distress 36 items 0.90 Extensively utilized throughout the general medical literature Available free of charge at http://www.rand.org/health/surveys_tools/mos/36-item-short-form.html ACL deficiency Quality of Life scale (ACL-QoL) (Mohtadi, 1998) Subscores for 5 domains: symptoms/physical complaints, work-related concerns, sport/recreational concerns, lifestyle issues, and social/emotional concerns 31 items 0.93 total score, subscale consistency not reported Includes visual analogue scales, which respondents use to respond to questions. Reliability analysis from Lafave et al. (2017) for the ACL-QoL in a test-retest sample shows a moderate reliability, with a measured intraclass correlation coefficient (2,k) of 0.60.