An examination of the psychometric properties of the occupational identity questionnaire for community-living elderly who require care.
Masataka Shikata, Hiroyuki Notoh, Kazuya Shinohara and 4 others
PMID 34408557WHAT IT FOUND
A 14-item self-report questionnaire helped older adults in Japan describe past self, present and future expectations, and current satisfaction.
It was consistent as a self-report, but weakly matched therapist-rated occupational identity, so use it as the client's voice, not a replacement for clinical interview.
Key findings
01The questionnaire was reduced to 14 items and three factors: present self and future expectations, past self, and satisfaction with current circumstances.
02The questionnaire could tell apart people with different occupational identity scores: the person separation index was 2.30 and the reliability coefficient was 0.84, above the ideal values of 2.0 and 0.80.
03It correlated only weakly with therapist-rated occupational identity on OPHI-II (r = .278, p < 0.01), so it measures the client's own view rather than replacing the therapist interview.
STILL TO COME
How it was doneWhat they foundWhat it means for OTs
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What it does not show
The sample was limited to community-living older adults in Japan who required care or support. People with impaired cognitive functions, such as dementia or higher brain dysfunction, were excluded. The Rasch analysis found that 14 participants (10.37%) and 1 item (7.14%) did not fit the criteria, exceeding the ideal value of less than 5%. The correlation with the OPHI-II occupational identity scale was weak (r = .278, p < 0.01), so the questionnaire captures a different viewpoint from the therapist interview. The authors say the questionnaire still needs testing for interpretability and use in an intervention study.
Declared interests
The authors declared no potential conflicts of interest. The research was funded by the Japan Society for the Promotion of Science (JSPS), grant number JP19K13992.
The easy way to misread this
Do not read the 14-item questionnaire as a validated substitute for therapist-rated occupational identity. It correlated only weakly with the OPHI-II occupational identity scale (r = .278, p < 0.01), and the authors say it reflects the client's own view rather than the therapist's interview judgment.