Table 2 Factors associated with dementia symptoms

Age group

 60–64

1

–

1

–

 65–69

1.60^a

1.29–2.00

1.60

1.24–2.06

 70–74

2.51^a

2.00–3.16

2.77^a

2.13–3.62

 75–79

4.08^a

3.22–5.16

3.81^a

2.89–5.03

 80+

13.48^a

10.47–17.35

9.42^a

6.98–12.71

Sex

 Male

1

–

1

–

 Female

2.20^a

1.91–2.54

1.70^a

1.41–2.04

Education

 Illiteracy

1

–

1

–

 Primary school

0.08^a

0.05–0.13

0.09^a

0.05–0.15

 Secondary school

0.02^a

0.01–0.03

0.03^a

0.02–0.05

 High school/vocational

0.01^a

0.01–0.02

0.02^a

0.01–0.03

 Higher than high school

0.01^a

0.004–0.02

0.01^a

0.006–0.03

Main caregiver

 Self-care

1

–

1

–

 Spouse

0.69^a

0.58–0.83

1.36^b

1.07–1.72

 Children

2.46^a

2.04–2.95

1.35^b

1.07–1.72

 Others (neighbours, cousin…)

2.50^a

1.55–4.04

0.97

0.52–1.78

Mixed diet

 No

1

–

1

–

 Yes

0.61^a

0.53–0.71

0.88

0.73–1.05

Physically active

 Yes

1

–

1

–

 No

4.03^a

3.27–4.98

1.89^a

1.45–2.49

Participating social activities

 Daily

1

–

1

–

 3–4 times/week

1.09

0.49–2.43

1.30

0.51–3.31

 1–2 times/week

1.68

0.87–3.28

1.86

0.85–4.09

 1–2 times/month

2.70^a

1.78–4.11

2.08^b

1.28–3.39

 Less than 1 time/month

2.80^a

1.83–4.29

1.36

0.83–2.25

 Never

4.79^a

3.21–7.15

2.08^b

1.30–3.34

Visiting friends, neighbours

 Daily

1

–

1

–

 3–4 times/week

1.33^b

1.06–1.67

1.17

0.90–1.54

 1–2 times/week

1.32^b

1.07–1.62

1.30

1.01–1.67

 1–2 times/month

1.15

0.90–1.47

1.07

0.79–1.45

 Less than 1 time/month

1.64^a

1.26–2.14

1.13

0.81–1.59

 Never

3.53^a

2.85–4.38

1.59^b

1.20–2.10

High blood pressure

 No

1

–

1

–

 Yes

1.21^b

1.05–1.39

0.94

0.79–1.13

Stroke

 No

1

–

1

–

 Yes

3.20^a

2.20–4.63

3.41^a

2.12–5.50