The Psychometric Properties of the Older People's Quality of Life Questionnaire, Compared with the CASP-19 and the WHOQOL-OLD

Table 4

Construct validity of the OPQOL (32–35) CASP-19 WHOQOL-OLD (24): correlations with sociodemographic characteristics and circumstances (Spearman’s rho).

	OPQOL TOTAL++	CASP-19 TOTAL++	WHOQOL-OLD TOTAL++
Self-assessed active ageing
Ethnibus	−0.358∗∗	−0.241∗∗	−0.069
ONS Omnibus	−0.504∗∗	−0.469∗∗	−0.439∗∗
QoL followup	−0.575∗∗	n/a	n/a
Self-rated health status (5-point response scale Excellent-Poor)
Ethnibus	−0.364∗∗	−0.238∗∗	−0.138∗∗
ONS Omnibus	−0.543∗∗	−0.530∗∗	−0.465∗∗
QoL followup	−0.628∗∗	n/a	n/a
Level of ability to walk 400 yards (4-point response scale No difficulty to unable to do alone)
Ethnibus	−0.207∗∗	−0.095	−0.153∗∗
ONS Omnibus	−0.446∗∗	−0.488∗∗	−0.331∗∗
QoL followup	−0.507∗∗	n/a	n/a
Level of ability to do heavy housework (4-point response scale No difficulty to unable to do alone)
Ethnibus	−0.131∗∗	−0.113∗	−0.126∗
ONS Omnibus	−0.456∗∗	−0.520∗∗	−0.364∗∗
QoL followup	−0.465∗∗	n/a	n/a
Level of ability to go shopping and carry heavy bags (4-point response scale No difficulty to unable to do alone)
Ethnibus	−0.103∗∗	−0.092	−0.108∗
ONS Omnibus	−0.411∗∗	−0.472∗∗	−0.350∗∗
QoL followup	−0.462∗∗	n/a	n/a
Level of ability to go up and down stairs (4-point response scale No difficulty to unable to do alone)
Ethnibus	−0.198∗	−0.086	−0.128∗
ONS Omnibus	−0.388∗∗	−0.468∗∗	−0.321∗∗
QoL followup	−0.466∗∗	n/a	n/a
No. of relatives who would help if needed with everyday chores, running errands, odd jobs:
Ethnibus	−0.008	−0.058	−0.033
ONS Omnibus	0.163∗∗	0.112∗∗	0.177∗∗
QoL followup	0.219∗∗	n/a	n/a
No. of friends who would help if needed with everyday chores, running errands, odd jobs:
Ethnibus	0.204∗∗	0.089	0.102∗
ONS Omnibus	0.403∗∗	0.383∗∗	0.381∗∗
QoL followup	0.325∗∗	n/a	n/a
No. of neighbours who would help if needed with everyday chores, running errands, odd jobs:
Ethnibus	0.066	−0.011	0.017
ONS Omnibus	0.332∗∗	0.308∗∗	0.304∗∗
QoL followup	0.171∗	n/a	n/a
In a serious personal crisis, number of people could turn to for comfort and support:
Ethnibus	0.112	−0.002	0.017
ONS Omnibus	0.270∗∗	0.251∗∗	0.300∗∗
QoL followup	0.372∗∗	n/a	n/a
Age of respondent (continuous)
Ethnibus	−0.078	−0.062	−0.035
ONS Omnibus	−0.138∗∗	−0.193∗∗	−0.184∗∗
QoL followup	−0.252∗∗	n/a	n/a
Sex of respondent (Male vs. Female)
Ethnibus	−0.028	−0.019	0.024
ONS Omnibus	−0.034	−0.032	−0.041
QoL followup	0.104	n/a	n/a
Socioeconomic Classification ranked++
Ethnibus	−0.006	0.112∗	−0.005
ONS Omnibus	−0.134∗	−0.093∗	−0.136∗∗
QoL followup	−0.193∗∗	n/a	n/a
Housing tenure (owner occupier/mortgage vs. rented)
Ethnibus	−0.130∗∗	−0.135∗∗	−0.093
ONS Omnibus	−0.194∗∗	−0.142∗∗	−0.188∗∗
QoL followup	−0.061	n/a	n/a
Has access to car/van in household (Yes vs. No)
Ethnibus	n/a	n/a	n/a
ONS Omnibus	−0.189∗∗	−0.176∗∗	−0.197∗∗
QoL followup	−0.199∗∗	n/a	n/a
Marital status (married vs. unmarried)
Ethnibus	−0.015	−0.032	0.015
ONS Omnibus	−0.116∗∗	−0.084∗	−0.153∗∗
QoL followup	−0.182∗∗	n/a	n/a

++ ONS Omnibus and QoL followup: NS-SEC; Ethnibus Market Research Society classification
n/a: not asked
∗ 𝑃<.05
∗∗𝑃<.01