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Table 1 Description of the variables according to Body mass index categories. Colombian and South Korean population

From: Body mass index, performance on activities of daily living and cognition: analysis in two different populations

n (%) or mean ± SD

Body Mass Index classification

 

Underweight

Normal

Overweight

Obese

Total

P value

Korea (n = 4556)

 Sex

     

<.001

  Female

91 (55.83)

1101 (55.58)

638 (49.53)

663 (58.99)

2493 (54.72)

 

  Male

72 (44.17)

880 (44.42)

650 (50.47)

461 (41.01)

2063 (45.28)

 

 Age

76.40 ± 9.82

70.39 ± 9.72

68.98 ± 9.17

68.40 ± 8.88

69.96 ± 9.47

<.001

 Comorbidity

1.18 ± 1.02

1.02 ± 1.08

1.11 ± 1.10

1.48 ± 1.19

1.16 ± 1.12

<.001

 Education

     

<.001

  No Education

27 (16.56)

135 (6.81)

59 (4.58)

51 (4.54)

272 (5.97)

 

   < High school

79 (48.47)

772 (38.97)

436 (33.85)

491 (43.68)

1778 (39.03)

 

  High school

39 (23.93)

760 (38.36)

579 (44.95)

417 (37.99)

1805 (39.62)

 

   > High school

18 (11.04)

314 (15.85)

214 (16.61)

155 (13.79)

701 (15.39)

 

 Smoke

     

0.044

  Non-smoker

105 (64.42)

1336 (67.44)

840 (65.22)

792 (70.46)

3073 (67.45)

 

  Past-smoker

45 (27.61)

419 (21.15)

301 (23.37)

227 (20.2)

992 (21.77)

 

  Current-smoker

13 (7.98)

226 (11.41)

147 (11.41)

105 (9.34)

491 (10.78)

 

 Exercise

     

0.005

  No

117 (71.78)

1188 (59.97)

745 (57.84)

691 (61.48)

2741 (60.16)

 

  Yes

46 (28.22)

793 (40.03)

543 (42.16)

433 (38.52)

1815 (39.84)

 

 Marital status

     

<.001

  Separated, widowed or single

100 (61.35)

1531 (77.28)

1029 (79.89)

849 (75.53)

3509 (77.02)

 

  Married or living with

63 (38.65)

450 (22.72)

259 (20.11)

275 (24.47)

1047 (22.98)

 

 Weight status

     

<.001

  No changes

114 (69.94)

1663 (83.95)

1131 (87.81)

1013 (90.12)

3921 (86.06)

 

  Lost

49 (30.06)

318 (16.05)

157 (12.19)

111 (9.88)

635 (13.94)

 

 BADL

0.68 ± 1.92

0.19 ± 0.99

0.14 ± 0.87

0.18 ± 0.99

0.19 ± 1.02

<.001

 IADL

1.63 ± 3.35

0.64 ± 2.05

0.46 ± 1.70

0.54 ± 1.90

0.61 ± 2.00

<.001

 MMSE

22.74 ± 7.20

25.45 ± 5.29

26.18 ± 4.85

25.61 ± 5.27

25.58 ± 5.30

<.001

Colombia (n = 23,343)

 Sex

     

<.001

  Female

377 (53.55)

3450 (46.36)

4279 (55.72)

5277 (70.18)

13,383 (57.33)

 

  Male

327 (46.45)

3991 (53.64)

3400 (44.28)

2242 (29.82)

9960 (42.67)

 

 Age

73.10 ± 8.71

71.17 ± 8.14

69.61 ± 7.32

71.46 ± 8.86

70.81 ± 8.19

<.001

 Comorbidity

0.94 ± 1.03

1.03 ± 1.05

1.30 ± 1.11

1.56 ± 1.18

1.29 ± 1.13

<.001

 Education

     

<.001

  No Education

230 (32.67)

2111 (28.24)

1810 (23.49)

1958 (26.91)

6113 (26.07)

 

   < High school

383 (54.40)

4075 (54.51)

4289 (55.67)

4158 (55.02)

12,907 (55.05)

 

  High school

71 (10.09)

954 (12.82)

1203 (15.67)

1056 (14.04)

3284 (14.07)

 

   > High school

20 (2.84)

330 (4.43)

401 (5.22)

382 (5.08)

1133 (4.85)

 

 Smoke

     

<.001

  Non-smoker

233 (33.10)

3117 (41.89)

3762 (48.99)

4136 (55.01)

11,248 (48.19)

 

  Past-smoker

283 (40.20)

3163 (42.51)

3290 (42.84)

2877 (38.26)

9613 (41.18)

 

  Current-smoker

188 (26.70)

1161 (15.60)

627 (8.17)

506 (6.73)

2482 (10.63)

 

 Exercise

     

<.001

  No

262 (37.22)

2031 (27.29)

2069 (26.94)

3330 (44.29)

7692 (32.95)

 

  Yes

442 (62.78)

5410 (72.71)

5610 (73.06)

4189 (55.71)

15,651 (67.05)

 

 Marital status

     

<.001

  Separated, widowed or single

408 (57.95)

3523 (47.35)

3222 (41.96)

3799 (50.53)

10,952 (46.92)

 

  Married or living with

296 (42.05)

3918 (52.65)

4457 (58.04)

3720 (49.47)

12,391 (53.08)

 

 Weight status

     

<.001

  No changes

663 (94.18)

7024 (94.40)

7307 (95.16)

7160 (95.23)

22,154 (94.91)

 

  Lost

41 (5.82)

417 (5.60)

372 (4.84)

359 (4.77)

1189 (5.09)

 

 BADL

96.79 ± 8.23

98.23 ± 5.68

98.48 ± 4.68

93.09 ± 16.22

96.61 ± 10.50

<.001

 IADL

1.35 ± 1.81

0.82 ± 1.43

0.57 ± 1.18

1.19 ± 1.86

0.87 ± 1.55

<.001

 MMSE

19.99 ± 8.90

22.90 ± 7.68

24.57 ± 6.55

22.11 ± 8.49

23.11 ± 7.73

<.001

  1. BADL: Basic activities of daily living. IADL: Instrumental activities of daily living. MMSE: Mini-mental state Examination