Table 2.
Demographic characteristics among 105,710 unrelated individuals without schizophrenia and bipolar disorder from the Taiwan Biobank data.
| Variable | n (%) |
|---|---|
| Gender | |
| Female | 67,120 (63.5) |
| Male | 38,590 (36.5) |
| Age at baseline | |
| 30–39 | 23,239 (22.0) |
| 40–49 | 26,873 (25.4) |
| 50–59 | 28,579 (27.0) |
| 60–70 | 27,019 (25.6) |
| Mean ± SD | 49.9 ± 10.9 |
| Birth cohort | |
| <1950 | 5911 (5.6) |
| 1950–1959 | 28,722 (27.2) |
| 1960–1969 | 29,990 (28.4) |
| 1970–1979 | 25,677 (24.3) |
| ≥1980 | 15,410 (14.6) |
| Educational attainment | |
| Elementary school | 4673 (4.4) |
| Junior high school | 7539 (7.1) |
| Senior high/Vocational school | 30,754 (29.1) |
| University/College | 50,794 (48.1) |
| Master and above | 11,950 (11.3) |
| MMSE at baseline (n = 27,005) | |
| <24 | 1663 (6.2) |
| ≥24 | 25,342 (93.8) |
| Mean ± SD | 27.6 ± 3.8 |
| MMSE Change (n = 6194) | |
| Mean ± SD | 0.2 ± 3.4 |
SD standard deviation.