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Context:

Adherence to clinic-based rehabilitation might influence outcomes.

Objective:

To examine the construct validity and interrater agreement of a measure of adherence to clinic-based rehabilitation.

Design:

Repeated-measures in both study 1 and study 2.

Participants:

43 student rehabilitation practitioners in study 1 and 12 patients undergoing rehabilitation after anterior cruciate ligament reconstruction in study 2.

Interventions:

Participants in study 1 rated the adherence of a simulated videotaped patient exhibiting high, moderate, and low adherence. Two certified athletic trainers rated the adherence of patients at 4 consecutive appointments in study 2.

Main Outcome Measure:

The Sport Injury Rehabilitation Adherence Scale.

Results:

In study 1, adherence ratings increased in a linear fashion across the 3 levels of adherence, and rWG(J) and rater-agreement-index values ranging from .84 to .95 were obtained. In study 2, the rater-agreement index was .94.

Conclusions:

Strong support was found for the construct validity and interrater agreement of the Sport Injury Rehabilitation Adherence Scale.

Brewer, Avondoglio, Cornelius, Van Raalte, Brickner, and Petitpas are with Dept of Psychology, Springfield College, Springfield, MA 01109. Kolt is with the Faculty of Health Studies, Auckland University Performance of Technology, Auckland 1020, New Zealand. Pizzari and Schoo are with the School of Physiotherapy, La Trobe University, Bundoora, VIC 3086, Australia. Emery is with Performance Rehabilitation of Western New England, West Springfield, MA 01089. At the time of the study, Hatten was with the Dept of Psychology, Furman University, Greenville, SC.