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Table 1 Characteristics of participants (Unweighted sample sizes and weighted %) according to cognitive impairment

From: The impact of heavy alcohol consumption on cognitive impairment in young old and middle old persons

Variables

Cognitive impairment

(n = 1958/N = 11,422,175)

Non- Cognitive impairment

(n = 3409/N = 37,166,712)

P-value

Alcohol consumption

   

 Alcohol (gram/day), mean ± SE

4.62 ± 0.518

7.44 ± 0.413

< 0.001

 Non-drinkers

1659 (84.2)

2580 (73.1)

< 0.001

 Drinkers

266 (14.2)

771 (25.1)

 Heavy drinkers

33 (01.6)

58 (01.9)

Demographic

   

 Age, years

  

< 0.001

  70+

1142 (66.0)

1498 (40.0)

  60–69

816 (34.0)

1911 (60.0)

 Gender

  

0.032

  Male

1079 (48.3)

1556 (43.6)

 Race

  

< 0.001

  Others (including multi-racial)

68 (03.2)

230 (04.4)

  Other Hispanic

217 (09.3)

163 (02.4)

  Mexican American

413 (07.0)

340 (02.1)

  Non-Hispanic Black

548 (17.4)

488 (05.0)

  Non-Hispanic White

712 (63.2)

2188 (86.0)

 Education

  

< 0.001

  Under 12th grade

1142 (48.9)

594 (13.1)

  High school graduate

412 (25.5)

864 (25.2)

  College or above

398 (25.5)

1950 (61.8)

 Marital status

  

< 0.001

  Married/Living with partner

1003 (52.7)

2143 (68.8)

  Widowed/Divorced/Separated

808 (43.1)

1061 (27.9)

  Never married

90 (04.2)

134 (03.4)

 Income ratio

  

< 0.001

  < 1 (Below poverty level)

490 (23.9)

297 (06.3)

  1–1.99

718 (40.1)

746 (20.2)

  2–3.99

366 (22.9)

1001 (32.7)

  4–5 (richest)

186 (13.2)

1058 (40.7)

Lifestyle

   

 Smoking

  

0.466

  Current smoker

281 (12.5)

381 (11.0)

  Former smoker

755 (39.8)

1375 (40.0)

  Non-smoker

919 (47.7)

1649 (49.0)

 Physical activity

  

< 0.001

  Active

491 (32.7)

1365 (51.8)

  Inactive

839 (67.3)

1282 (48.2)

 BMI

  

0.155

  Underweight

36 (02.3)

38 (01.3)

  Normal

498 (28.0)

865 (25.9)

  Overweight

699 (35.8)

1266 (37.5)

  Obese

635 (33.9)

1183 (35.3)

 Attend social events

  

< 0.001

  Difficulty

372 (21.3)

295 (07.3)

  No difficulty

1516 (78.7)

3075 (92.7)

 Comorbidities

   

  Diabetes mellitus

575 (28.0)

702 (18.0)

< 0.001

  Hypertension

1220 (65.0)

1856 (51.7)

< 0.001

  Stroke

207 (11.5)

149 (04.4)

< 0.001

  CKD

428 (30.9)

397 (13.5)

< 0.001

  1. SE: Standard Error; BMI: Body Mass Index; CKD: Chronic Kidney Disease