Table 3.

Summary of Test-Retest Reliability

Measurement Property	Discrimination: Test-retest reliability
Instrument:	HAQ-DI	SF-36 PF
Author/year
Tillett 2019	Green (+)	Green (+)
Leung 2016	Green (+)	NA
Total available studies for each property	2	1
Total studies available for synthesis	2	1
Overall rating	GREEN	AMBER

(+) adequate performance; (+/−) equivocal performance; (−): inadequate performance.

HAQ-DI: Health Assessment Questionnaire-Disability Index; SF-36 PF: Medical Outcomes Survey Short-Form 36 item physical functioning domain.