| Non-exposed group (n = 3740) | Exposed group (n = 18,454) | ||
---|---|---|---|---|
Domain | Mean | 95% Confidence interval | Mean | 95% Confidence interval |
Memory (0–20) | 9.29 | 9.23–9.34 | 8.55 | 8.43–8.67 |
Orientation (0–8) | 6.17 | 6.15–6.19 | 5.87 | 5.81–5.92 |
Arithmetic function (0–9) | 3.15 | 3.11–3.19 | 2.46 | 2.39–2.54 |
Executive function (0–4) | 2.10 | 2.09–2.12 | 1.90 | 1.86–1.93 |
Object naming (0–2) | 1.89 | 1.88–1.89 | 1.86 | 1.84–1.88 |
Composite cognitive index (0–43) | 22.61 | 22.51–22.72 | 20.64 | 20.42–20.87 |