Table 2.
Summary study characteristics.
| References | Countries | Setting | Study design | Sample size (N) | Female % | QoL instruments |
|---|---|---|---|---|---|---|
| López-Ortega and Konigsberg (22) | Mexico | Community-dwelling | Cross-sectional | 295 | 43.5 | SF-36 |
| Liu et al. (23) | China | Community-dwelling | Cross-sectional | 442 | 58.6 | SF-36 |
| Levasseur et al. (24) | Canada | Community-dwelling | Cross-sectional | 155 | 60 | SWLS |
| Ramia and Voicu (7) | India | Community-dwelling | Cross-sectional | 160 | 100 | WHOQOL-BREF |
| Puvill et al. (25) | Europe and Israel* | Community-dwelling | Cross-sectional | 66,561 | 55.9 | CASP-12 |
| Abdelbasset et al. (26) | Egypt | Community-dwelling | Cross-sectional | 184 | 29.9 | EQ-5D |
| Kim et al. (27) | South Korea | Community-dwelling | Cross-sectional | 517 | 89.2 | SF-12 |
| Neri et al. (28) | Brazil | Not reported | Longitudinal | 7,651 | 53.2 | CASP-19 |
| Dahlberg and McKee (29) | UK | Not reported | Cross-sectional | 1,255 | 61.8 | WHO-5 |
| Zhang et al. (30) | China | Residential aged care facility | Cross-sectional | 1,369 | 60 | WHOQOL-OLD, SF-36 |
| He et al. (31) | China | Community-dwelling | Cross-sectional | 2,644 | 59.19 | SF-36 |
| Ju et al. (32) | South Korea | Community-dwelling | Longitudinal | 340 | 36.5 | VAS |
| Choi et al. (33) | Korea | Not reported | Longitudinal | 7,096 | 57.1 | VAS |
| Rugbeer et al. (34) | Australia | Residential aged care facility | Quasi-experimental design | 100 | 79 | SF-36 |
| Onunkwor et al. (35) | Malaysia | Residential aged care facility | Cross-sectional | 203 | 32.5 | WHOQOL-BREF |
| Haider et al. (36) | Austria | Community-dwelling | Cross-sectional | 83 | 86 | WHOQOL-BREF, WHOQOL-OLD |
| Marques et al. (37) | Brazil | Community-dwelling | Cross-sectional | 1,197 | 64.5 | CASP-16 |
| Tavares et al. (38) | Brazil | Community-dwelling | Cross-sectional | 1,691 | 63.7 | WHOQOL-OLD |
| Top and Dikmetaş (39) | Turkey | Residential Aged care facility | Cross-sectional | 120 | 36.66 | WHOQOL-OLD |
| Park et al. (40) | South Korea | Not reported | Cross-sectional | 229,226 | 2.719 | EQ-5D |
| Bilgili and Arpaci (41) | Turkey | Community-dwelling | Cross-sectional | 300 | 48.3 | WHOQOL-OLD |
| Sampaio et al. (42) | Japan | Community-dwelling | Cross-sectional | 465 | NR | WHOQOL-BREF, WHOQOL-OLD |
| Layte et al. (43) | Ireland | Community-dwelling | Cross-sectional | 6,279 | NR | CASP-19 |
| Sewo Sampaio and Ito (44) | Japan | Community-dwelling | Cross-sectional | 465 | 48.6 | WHOQOL-BREF, WHOQOL-OLD |
| Guedes et al. (45) | Brazil | Community-dwelling | Cross-sectional | 1,204 | 53.57 | WHOQOL-OLD |
| Gureje et al. (46) | Nigeria | Community-dwelling | Cross-sectional | 2,152 | NR | WHOQOL-BREF |
NR, Not reported; *27 European countries.