Table 2 Study outcome measures

RMI

Assesses functional mobility in gait, balance and transfers. Consists of 14 self-reported items and one direct observation item, with items progressing in difficulty.

6MWT

This test measures the distance that a patient can quickly walk on a flat, hard surface in a period of 6 minutes. It evaluates the global and integrated responses of all the systems involved during exercise.

WHODAS 2.0 (12 item)

This is a self-reported assessment instrument for health and disability, directly linked to the ICF, used across all diseases. This 12-item version focuses primarily on activities of daily living and participation.

WHOQOL-HIV-BREF

This self-reported instrument, adapted for PLHIV, examines an individual’s perceptions of his/her quality of life across six domains: physical, psychological, independence, social, environment and spirituality.