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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