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Table 1 Psychometric characteristics of the instruments included

From: Study protocol: a randomised, controlled trial of a nurse navigator program for the management of hepatitis C virus in patients with severe mental disorder

Questionnaire Domain (s) Psychometric properties
Life Skill Profile (LSP) [42] Self-care Concurrent validity, this scale was compared with the social behaviour schedule SBS: 0.56
Interrater reliability r = 0.62, and internal consistency α = 0.82
Interpersonal social behaviour Concurrent validity, this scale was compared with the social behaviour schedule SBS: 0.54
Interrater reliability r = 0.69, and internal consistency α = 0.77
Communication and social contact Concurrent validity, this scale was compared with the social behaviour schedule SBS: 0.63
Interrater reliability r = 0.86, and internal consistency α = 0.86
Non-personal social behaviour Concurrent validity, this scale was compared with the social behaviour schedule SBS: 0.36
Interrater reliability r = 0.76, and internal consistency α = 0.78
Autonomous life Concurrent validity, this scale was compared with the social behaviour schedule SBS: 0.46
Interrater reliability r = 0.76, and internal consistency α = 0.80
Positive and Negative Syndrome Scale (PANSS) [43] Positive symptoms Concurrent validity, it was compared with the Andreasen positive scale, r = 0.70
Interrater reliability ICC = 0.72, and internal consistency α = 0.62
Negative symptoms Concurrent validity, it was compared with the Andreasen negative scale, r = 0. 81
Interrater reliability ICC = 0.80, and internal consistency α = 0.92
General psychopathology Interrater reliability ICC = 0.56, and internal consistency α = 0.55
EuroQol 5D [45] Mobility
Self-care
Usual activities
Pain/ Discomfort
Anxiety/Depression
Concurrent validity, it was compared with the SF-6D, r = 0.73 [46]
Construct validity it was evaluated in spanish population