Table 2 Crude incidences (95% CI) of overall dementia disaggregated by sex, age, and exposure groups

Women

50,55

0.39 (0.36–0.43)

0.37 (0.34–0.40)

0.62 (0.44–0.88)

1.17 (0.68–2.01)

1.70 (0.81–3.56)

0.96 (0.60–1.54)

55,60

1.08 (1.03–1.14)

1.00 (0.94–1.05)

1.44 (1.24–1.67)

1.79 (1.38–2.33)

2.33 (1.66–3.26)

2.28 (1.81–2.89)

60,65

3.16 (3.07–3.24)

2.93 (2.84–3.02)

3.62 (3.35–3.92)

4.15 (3.62–4.75)

4.90 (4.14–5.80)

5.33 (4.74–5.99)

65,70

7.22 (7.07–7.37)

6.87 (6.71–7.03)

7.77 (7.32–8.23)

8.86 (8.03–9.78)

8.28 (7.19–9.54)

9.88 (9.14–10.68)

70,75

14.51 (14.29–14.73)

14.10 (13.87–14.34)

14.79 (14.06—15.55)

15.06 (13.68–16.59)

16.27 (14.10–18.77)

18.15 (17.29–19.06)

All

4.79 (4.74–4.84)

4.37 (4.32–4.42)

5.86 (5.65–6.08)

6.51 (6.10–6.94)

6.92 (6.34–7.57)

10.30 (9.91–10.70)

Men

50,55

0.45 (0.41–0.49)

0.41 (0.37–0.46)

0.52 (0.41–0.67)

0.40 (0.23–0.71)

0.62 (0.30–1.30)

0.80 (0.57–1.13)

55,60

1.07 (1.01–1.14)

0.93 (0.86–1.01)

1.05 (0.91–1.22)

1.10 (0.87–1.40)

1.64 (1.26–2.14)

2.11 (1.79–2.49)

60,65

2.79 (2.68–2.89)

2.44 (2.30–2.58)

2.80 (2.60–3.02)

2.96 (2.65–3.31)

3.05 (2.68–3.48)

3.96 (3.60–4.36)

65,70

5.84 (5.68–6.01)

5.37 (5.10–5.66)

5.37 (5.07–5.69)

5.51 (5.11–5.95)

6.39 (5.93–6.89)

7.70 (7.20–8.23)

70,75

11.88 (11.64–12.14)

11.39 (10.83–11.98)

10.99 (10.51–11.49)

11.15 (10.61–11.73)

11.71 (11.19–12.26)

14.72 (14.05–15.41)

All

3.95 (3.89–4.01)

2.22 (2.15–2.29)

4.29 (4.13–4.46)

5.72 (5.50–5.96)

7.33 (7.05–7.61)

7.27 (7.03–7.52)