Table 4.
Characteristics of the included QoL studies
| Study | Region | Study design | Dementia type | Sample size | Mean age (SD) | Women (%) |
Marital status | |
|---|---|---|---|---|---|---|---|---|
| Married | Widowed/divorced | |||||||
| Tang, 2006 [29] | Beijing | Cross-sectional study |
AD VD MD Other |
198 | 77.5 (8.1) | 37.9 | / | / |
| Chen et al., 2009 [30] | Shanghai | Cross-sectional study | / | 119 | 81.97 (7.56) | 63.0 | / | / |
| He, 2009 [31] | Taiyuan | Case–control study | / | 100 | 75.8 (7.35) | 41.0 | 73 | 27 |
| Ai, 2011 [32] | Taiyuan | Cross-sectional study | AD | 195 | 73.57 (/) | 47.7 | 157 | 38 |
| Che et al., 2011 [33] | Shanxi | Cross-sectional study | AD | 38 | 77.8 (8.4) | 44.7 | / | / |
| Lian et al., 2011 [34] | Zhejiang | Cross-sectional study | / | 80 | / | / | / | / |
| Chan et al., 2011 [35] | Hong Kong | Cross-sectional study | AD | 111 | 77.7 (17.4) | 72.1 | 55 | 56 |
| Yi et al., 2015 [36] | Wuhan | Case–control study | AD | 378 | 72.8 (10.6) | 42.3 | 231 | 147 |
| Huang et al., 2015 [37] | Taiwan | Cross-sectional study |
AD VD MD Other |
106 | 80.29 (7.86) | 60.4 | 57 | 49 |
| Huang, 2016 [38] | Jilin | Cross-sectional study | / | 120 | 71.30 (8.21) | 50.8 | 98 | 22 |
| Wu et al., 2016 [39] | Zhejiang | Cross-sectional study | AD | 100 | / | 33.0 | 82 | 18 |
| Su et al., 2019 [40] | Beijing | Cross-sectional study | AD | 64 | 66.5 (7.7) | 32.8 | 48 | 16 |
| Zhang et al., 2021 [41] | Shandong | Cross-sectional study | AD | 150 | / | 58.7 | 95 | 55 |
AD Alzheimer's disease, VD vascular dementia, MD mixed dementia, SD standard deviation