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Table 1 Participant characteristics

From: Dementia and associated factors among the elderly in Vietnam: a cross-sectional study

Characteristics (n = 3308)

Total sample, n (%a)

Dementia symptoms, n (%b)

No (n = 1717)

Yes (n = 1591)

Sex*

 Male

1333 (40.3)

846 (63.5)

487 (36.5)

 Female

1975 (59.7)

871 (44.1)

1104 (55.9)

Age group*

 60–64

802 (24.2)

597 (74.4)

205 (25.6)

 65–69

738 (22.3)

476 (64.5)

262 (35.5)

 70–74

566 (17.1)

304 (53.7)

262 (46.3)

 75–79

516 (15.6)

215 (41.7)

301 (58.3)

 80+

681 (20.6)

121 (17.8)

560 (82.2)

Education*

 Illiteracy

290 (8.8)

15 (5.2)

275 (94.8)

 Primary school

1754 (53.0)

712 (40.6)

1024 (59.4)

 Secondary school

591 (17.9)

413 (72.9)

160 (27.1)

 High school/vocational

463 (14.0)

376 (81.2)

87 (18.8)

 Higher than high school

210 (6.3)

183 (87.1)

27 (12.9)

Main caregiver*

 Self-care

1838 (55.6)

1013 (55.1)

825 (44.9)

 Spouse

701 (21.2)

448 (63.9)

253 (36.1)

 Children

690 (20.9)

230 (33.3)

460 (66.7)

 Others (neighbour, cousin…)

79 (2.4)

26 (32.9)

53 (67.1)

Having mixed diet*

 No

1190 (36.0)

525 (44.1)

665 (55.9)

 Yes

2118 (64.0)

1192 (69.4)

926 (58.2)

Physically active*

 No

532 (16.1)

132 (51.9)

400 (75.2)

 Yes

2776 (83.9)

1585 (92.3)

1191 (74.9)

Participating in social activities*

 Daily

154 (4.7)

122 (79.2)

32 (20.8)

 3–4 times/week

45 (1.4)

35 (77.8)

10 (22.2)

 1–2 times/week

62 (1.9)

43 (69.4)

19 (30.6)

 1–2 times/month

658 (19.9)

385 (58.5)

273 (41.5)

 Less than 1 time/month

552 (16.7)

318 (57.6)

234 (42.4)

 Never

1837 (55.5)

814 (44.3)

1023 (55.7)

Visiting friends, neighbours*

 Daily

1249 (37.8)

752 (60.2)

497 (39.8)

 3–4 times/week

401 (12.1)

213 (53.1)

188 (46.9)

 1–2 times/week

503 (15.2)

269 (53.5)

234 (46.5)

 1–2 times/month

327 (9.9)

186 (56.9)

141 (43.1)

 Less than 1 time/month

271 (8.2)

130 (48.0)

141 (52.0)

 Never

557 (16.8)

167 (30.0)

390 (70.0)

High blood pressure*

 No

2055 (62.1)

1104 (53.7)

951 (46.3)

 Yes

1253 (37.9)

613 (35.7)

640 (40.2)

Stroke*

 No

3159 (95.5)

1678 (53.1)

1481 (46.9)

 Yes

149 (4.5)

39 (2.3)

110 (6.9)

  1. * Significantly different between groups with and without symptoms of dementia (χ2 p-value < 0.05)
  2. aPercentage by column
  3. bPercentage by row