Exploring if and how evidence-based practice of occupational and physical therapists evolves over time: A longitudinal mixed methods national study
Bibliographic record
Abstract
BACKGROUND: Occupational therapists (OTs) and physiotherapists (PTs) are expected to provide evidence-based services to individuals living with disabilities. Despite the emphasis on evidence-based practice (EBP) by professional entry-level programs and professional bodies, little is known about their EBP competencies upon entry to practice and over time or what factors impact EBP use. The aim of the study was to measure and understand how EBP evolves over the first three years after graduation among Canadian OTs and PTs, and how individual and organizational factors impact the continuous use of EBP. METHODS: A longitudinal, mixed methods sequential explanatory study. We administered a survey questionnaire measuring six EBP constructs (knowledge, attitudes, confidence, resources, use of EBP and evidence-based activities) annually, followed by focus group discussions with a subset of survey participants. We performed group-based trajectory modeling to identify trajectories of EBP over time, and a content analysis of qualitative data guided by the Theoretical Domains Framework. RESULTS: Of 1700 graduates in 2016-2017, 257 (response rate = 15%) responded at baseline (T0) (i.e., at graduation), and 83 (retention rate = 32%), 75 (retention rate = 29%), and 74 (retention rate = 29%) participated at time point 1 (T1: one year into practice), time point 2 (T2: two years into practice, and time point 3 (T3: three years into practice) respectively. Group-based trajectory modeling showed four unique group trajectories for the use of EBP. Over 64% of participants (two trajectories) showed a decline in the use of EBP over time. Fifteen practitioners (7 OTs and 8 PTs) participated in the focus group discussions. Personal and peer experiences, client needs and expectations, and availability of resources were perceived to influence EBP the most. CONCLUSIONS: Though a decline in EBP may be concerning, it is unclear if this decline is clinically meaningful and whether professional expertise can offset such declines. Stakeholder-concerted efforts towards the common goal of promoting EBP in education, practice and policy are needed.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.014 | 0.017 |
| Meta-epidemiology (narrow) | 0.000 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.003 | 0.004 |
| Science and technology studies | 0.004 | 0.001 |
| Scholarly communication | 0.002 | 0.002 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".