Psychometric Properties of the Occupation-Based Practice Assessment.

Hong Kong journal of occupational therapy : HKJOT · 2026 · Other · OT
Wendy B Stav, Rebecca Baudhuin

A tool for measuring how occupation-based your OT practice is shows good overall agreement between raters, but the engaged participation subscale is less consistent. Tested only on evaluations in ICU and ED, not interventions.

Key findings

1

Two independent observers agreed well on the overall OBPA score (ICC = .843) and very well on the meaningful-and-purposeful-occupation subscale (ICC = .951), but agreed poorly on the engaged-participation subscale (ICC = .487), which pulled the total score down.

2

Therapist self-ratings matched observer ratings well on total scores (ICC = .856 to .937) whether the therapist rated immediately after a session or at the end of the day, but the engaged-participation subscale again showed the weakest agreement (ICC = .462 to .578).

3

All 54 observed interactions were initial evaluations with no interventions, conducted in the emergency department and the intensive care unit under a co-treatment model with a physical therapist.

MethodologyResultsClinical Relevance

Single-blind randomized controlled trial. Sixty-four participants were randomized across two intervention arms and assessed at twelve weeks for the primary outcome…

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Summarised by AI from the abstract, not the full paper. Check it against the source before it changes what you do. Read it on PubMed