Table 3 Prevalence of dementia in the two areas (urban and rural) and overall

DSM-IV

65–69

70–74

75–79

80+

Overall

  Urban (n = 690)

Female

#

6.93 (3.33–13.80)

4.60 (1.73–11.63)

11.11 (5.65–20.70)

4.35 (3.06–6.14)

Male

1.18 (0.17–7.90)

2.15 (0.54–8.21)

5.88 (2.47–13.38)

5.08 (1.65–14.64)

  Rural (n = 707)

Female

#

1.05 (0.15–7.11)

1.16 (0.16–7.82)

6.06 (3.10–11.63)

2.97 (1.95–4.49)

Male

#

#

5.13 (1.93–12.91)

7.95 (3.83–15.79)

  Overall (n = 1397)

Female

#

4.08 (2.05–7.96)

2.89 (1.21–6.77)

7.84 (4.86–12.41)

3.65 (2.79–4.97)

Male

0.63 (0.09–4.37)

1.29 (0.32–5.02)

5.52 (2.89–10.28)

6.80 (3.69–12.20)

10/66

65–69

70–74

75–79

80+

Overall

  Urban (n = 690)

Female

0.93 (0.13–6.30)

9.09 (5.40–17.45)

10.34 (5.47–18.72)

25.00 (16.34–36.26)

9.28 (7.24–11.80)

Male

2.35 (0.59–8.94)

3.23 (1.04–9.55)

11.76 (6.44–20.52)

18.64 (10.63–30.64)

  Rural (n = 707)

Female

#

3.16 (1.02–9.36)

9.30 (4.70–17.57)

16.67 (11.27–23.96)

9.19 (7.29–11.54)

Male

2.74 (0.70–10.15)

9.68 (4.47–19.72)

10.26 (5.20–19.23)

18.19 (11.43–27.69)

  Overall (n = 1397)

Female

0.50 (0.07–3.50)

6.63 (3.89–11.10)

9.83 (6.19–15.26)

19.61 (14.74–25.61)

9.23 (7.80–10.90)

Male

2.53 (0.96–6.52)

5.81 (3.06–10.75)

11.04 (7.06–16.86)

18.37 (12.89–25.49)