Table 2.

Older people specific instruments

Instrument	Dimensions	Levels	Scoring algorithm
Preference based
ICEpop CAPability measure for Older people (ICECAP-O)	Attachment, Security, Role, Enjoyment and Control [92]	4	UK
Non-preference based
Older People’s Quality of Life (OPQOL)a	Life overall, health, social relationships and participation, independence, control over life, freedom, and area: home and neighbourhood, psychological and emotional wellbeing, financial circumstances, and religion/culture [89]	5	N/A
Control Autonomy Self-realization and Pleasure (CASP 19)	Control, Autonomy, Self-realization and Pleasure [107]	4	N/A
World Health Organisation Quality of Life Instrument-Older Adults Module (WHOQoL-Old)b	Sensory functioning, autonomy, past-present-future activities, social participation, death and intimacy [108]	5	N/A

^aA shorter 13 item version the OPQOL-Brief has been developed

^bThree shorter versions of the WHOQoL-Old have been developed, each having only 6 items, one item per domain, as opposed to the original 24 items