Table 1: Outcome measures (continued) Instrument Construct measured Items and scale Scores and interpretation Psychometrics Acronym (Reference) Quality of Life After Developed to assess health Consists of 37 items across six The total QOLIBRI score ranges from 37-185. A Cronbach’s alpha of 0.97 Brain Injury related quality of life after sub-scales, rated on a five point QOLIBRI total scores are converted to a has been reported for the traumatic brain injury Likert scale from ‘1’ to ‘5’. The percentage and presented on a 0 (worst possible scale (von Steinbuchel et QOLIBRI first section assesses level of score on the QOLIBRI) to 100 (best possible score al., 2010) satisfaction across four on the QOLIBRI) point scale (Truelle et al., 2010) (von Steinbuchel et al., domains: cognition, self, daily 2010). life and autonomy and social relationships. The second section asks respondents how ‘bothered’ they are by items across two domains: emotions and physical problems Rosenberg Self-Esteem A one-dimensional measure Consists of ten items rated on a Sum to a total score ranging from 0-30, with A Cronbach’s alpha of 0.88 Scale of global self-esteem four point Likert scale from ‘0’ higher scores indicative of a more positive has been reported for the (disagree) to ‘3’ (strongly scale (Robins, Hendin & RSES agree), with five items reverse Trzesniewski, 2001) scored (Rosenberg, 1965)
Table 1: Outcome measures (continued) Instrument Acronym (Reference) Construct measured Items and scale Scores and interpretation Psychometrics Quality of Life After Brain Injury QOLIBRI (von Steinbuchel et al., 2010). Developed to assess health related quality of life after traumatic brain injury Consists of 37 items across six sub-scales, rated on a five point Likert scale from ‘1’ to ‘5’. The first section assesses level of satisfaction across four domains: cognition, self, daily life and autonomy and social relationships. The second section asks respondents how ‘bothered’ they are by items across two domains: emotions and physical problems The total QOLIBRI score ranges from 37-185. QOLIBRI total scores are converted to a percentage and presented on a 0 (worst possible score on the QOLIBRI) to 100 (best possible score on the QOLIBRI) point scale (Truelle et al., 2010) A Cronbach’s alpha of 0.97 has been reported for the scale (von Steinbuchel et al., 2010) Rosenberg Self-Esteem Scale RSES (Rosenberg, 1965) A one-dimensional measure of global self-esteem Consists of ten items rated on a four point Likert scale from ‘0’ (disagree) to ‘3’ (strongly agree), with five items reverse scored Sum to a total score ranging from 0-30, with higher scores indicative of a more positive A Cronbach’s alpha of 0.88 has been reported for the scale (Robins, Hendin & Trzesniewski, 2001)
ethesis_AMacCrosain.docx