Table 3.
Comparison of dementia prevalence across age, gender, ethnicity, marital status, education and employment groups, according to the short version and standard version diagnostic algorithms
| Short version 10/66 diagnosis | Standard version 10/66 diagnosis | Percentage difference | Kappa | AUC | |||
|---|---|---|---|---|---|---|---|
| Weighted % | SE | Weighted % | SE | ||||
| Age group (years) | |||||||
| 60–74 | 4.33 | 0.76 | 2.99 | 0.62 | 1.34 | 0.70 | 0.93 |
| 75–84 | 22.96 | 2.37 | 21.36 | 2.31 | 1.60 | 0.86 | 0.94 |
| 85+ | 58.11 | 3.36 | 55.47 | 3.40 | 2.64 | 0.89 | 0.94 |
| Gender | |||||||
| Men | 8.48 | 1.11 | 7.22 | 1.02 | 1.26 | 0.86 | 0.96 |
| Women | 12.81 | 1.08 | 11.19 | 0.95 | 1.62 | 0.84 | 0.95 |
| Ethnicity | |||||||
| Chinese | 11.42 | 0.90 | 9.74 | 0.80 | 1.68 | 0.84 | 0.95 |
| Malay | 9.68 | 0.95 | 9.85 | 0.95 | −0.17 | 0.95 | 0.97 |
| Indian | 9.20 | 0.91 | 7.61 | 0.78 | 1.59 | 0.82 | 0.95 |
| Others | |||||||
| Marital status | |||||||
| Never married | 8.82 | 3.38 | 5.33 | 2.53 | 3.49 | 0.71 | 0.97 |
| Married/cohabiting | 6.31 | 0.82 | 5.52 | 0.76 | 0.79 | 0.81 | 0.93 |
| Widowed | 25.05 | 2.07 | 22.57 | 1.89 | 2.48 | 0.88 | 0.96 |
| Divorced/separated | 6.51 | 3.33 | 3.61 | 2.45 | 2.90 | 0.70 | 0.98 |
| Education | |||||||
| None | 24.82 | 2.62 | 21.59 | 2.37 | 3.23 | 0.84 | 0.94 |
| Some, but did not complete primary | 14.23 | 1.91 | 10.47 | 1.59 | 3.76 | 0.81 | 0.97 |
| Completed primary | 8.10 | 1.51 | 9.16 | 1.59 | −1.06 | 0.85 | 0.90 |
| Completed secondary | 4.54 | 1.06 | 3.47 | 0.86 | 1.07 | 0.84 | 0.99 |
| Completed tertiary | 2.65 | 1.08 | 2.31 | 1.04 | 0.34 | 0.93 | 1.00 |
| Employment status | |||||||
| Paid work (part-time and full-time) | 0.69 | 0.36 | 0.22 | 0.09 | 0.47 | 0.47 | 1.00 |
| Unemployed | |||||||
| Homemaker | 13.56 | 1.61 | 11.92 | 1.45 | 1.64 | 0.89 | 0.97 |
| Retired | 17.87 | 1.61 | 15.38 | 1.47 | 2.49 | 0.81 | 0.93 |