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Table 1 Demographic profiles according to CMI quartile distribution

From: The relationship of cardiometabolic index with bowel movement frequency: an NHANES-based cross-sectional analysis

Characteristics

Overall

Quartiles of CMI

P-value

Quartile 1

Quartile 2

Quartile 3

Quartile 4

< 0.34

(0.34–0.62)

(0.62–1.16)

> 1.16

N

9678

2420

2419

2419

2420

 

CMI

0.62 (0.34, 1.16)

0.23 (0.17, 0.28)

0.46 (0.40, 0.54)

0.84 (0.72, 0.99)

1.80 (1.39, 2.58)

< 0.0001

BMF

9.23 (9.10, 9.35)

8.48 (8.27, 8.68)

8.91 (8.68, 9.13)

9.51 (9.22, 9.81)

10.10 (9.81, 10.38)

< 0.0001

Gender

     

< 0.0001

Male

4840 (49.25)

936 (35.62)

1109 (44.90)

1283 (54.43)

1512 (63.53)

 

Female

4838 (50.75)

1484 (64.38)

1310 (55.10)

1136 (45.57)

908 (36.47)

 

Age (years)

48.00 (34.00, 62.00)

42.00 (29.00, 58.00)

47.00 (34.00, 63.00)

51.00 (37.00, 64.00)

49.00 (38.00, 62.00)

< 0.0001

Age group

     

< 0.0001

Young

3308 (37.40)

1069 (46.16)

847 (38.62)

709 (32.95)

683 (30.97)

 

Middle

3450 (41.94)

783 (38.14)

825 (40.73)

855 (41.64)

987 (47.65)

 

Elderly

2920 (20.67)

568 (15.70)

747 (20.64)

855 (25.41)

750 (21.38)

 

Race

     

< 0.0001

Mexican American

1769 (7.94)

275 (5.27)

390 (6.98)

503 (9.04)

601 (10.75)

 

Non-Hispanic White

4842 (72.29)

1183 (71.16)

1185 (71.45)

1209 (72.34)

1265 (74.38)

 

Non-Hispanic Black

1894 (10.38)

685 (14.48)

557 (12.26)

404 (8.67)

248 (5.61)

 

Other Race

1173 (9.39)

277 (9.09)

287 (9.32)

303 (9.95)

306 (9.26)

 

Education Level

     

< 0.0001

Less Than High School

2547 (16.97)

468 (12.28)

589 (16.35)

719 (18.88)

771 (20.85)

 

High School Graduate

2306 (24.00)

531 (20.52)

569 (22.73)

565 (24.14)

641 (29.00)

 

More Than High School

4825 (59.03)

1421 (67.20)

1261 (60.92)

1135 (56.98)

1008 (50.15)

 

PIR group

     

0.0006

Low income

1840 (12.01)

418 (11.32)

416 (10.74)

470 (12.42)

536 (13.69)

 

Middle income

5214 (49.91)

1252 (47.79)

1309 (50.54)

1308 (49.30)

1345 (52.20)

 

High income

2624 (38.08)

750 (40.89)

694 (38.72)

641 (38.29)

539 (34.11)

 

BMI group

     

< 0.0001

Normal

2710 (30.71)

1383 (62.37)

734 (32.23)

400 (17.22)

193 (7.96)

 

Overweight

3349 (34.04)

702 (26.58)

933 (39.28)

921 (39.60)

793 (31.15)

 

Obesity

3619 (35.25)

335 (11.05)

752 (28.49)

1098 (43.18)

1434 (60.88)

 

Energy (kcal/d)

1932.50

(1471.00, 2506.00)

1895.50

(1468.88, 2473.50)

1905.00

(1465.00, 2482.75)

1892.00

(1423.75, 2411.00)

2051.00

(1547.50, 2624.50)

< 0.0001

Protein (gm/d)

75.03

(56.25, 98.22)

73.85

(54.95, 96.87)

73.53

(55.45, 96.78)

73.58

(54.97, 95.09)

78.73

(59.45, 103.50)

< 0.0001

Carbohydrate (gm/d)

236.03

(178.19, 307.83)

228.68

(173.05, 297.63)

234.43

(177.06, 300.32)

233.16

(174.35, 300.88)

249.31

(186.96, 325.54)

< 0.0001

Dietary fiber (gm/d)

14.75

(10.40, 20.45)

14.80

(10.05, 20.56)

14.45

(10.38, 20.35)

14.45

(10.50, 20.05)

15.12

(10.69, 21.00)

0.0113

Total fat (gm/d)

70.52 (50.11, 96.69)

69.37 (50.07, 94.91)

70.02 (50.85, 96.13)

69.17 (48.11, 94.25)

73.34 (51.61, 101.75)

< 0.0001

Caffeine (mg/d)

103.50

(32.50, 215.50)

92.00

(23.50, 201.50)

102.00

(29.00, 209.50)

104.00

(34.75, 217.00)

116.00

(43.50, 235.62)

< 0.0001

Moisture (mg/d)

2556.24

(1930.92, 3382.56)

2529.64

(1894.00, 3330.76)

2496.97

(1897.31, 3312.94)

2494.23

(1893.11, 3301.30)

2690.74

(2062.11, 3536.35)

< 0.0001

Gastrointestinal diseases

     

0.4981

Yes

818 (8.34)

188 (7.73)

204 (9.04)

206 (8.01)

220 (8.60)

 

No

8860 (91.66)

2243 (92.27)

2215 (90.96)

2213 (91.99)

2200 (91.40)

 

Sleep disorders

     

< 0.0001

Yes

706 (7.19)

97 (4.03)

153 (5.99)

199 (7.94)

257 (11.14)

 

No

8972 (92.81)

2323 (95.97)

2266 (94.01)

2220 (92.06)

2163 (88.86)

 

Diabetes

     

< 0.0001

Yes

1039 (7.56)

128 (3.76)

218 (5.86)

306 (8.80)

387 (12.27)

 

No

8639 (92.44)

2292 (96.24)

2201 (94.14)

2113 (91.20)

2033 (87.73)

 

Hypertension

     

< 0.0001

Yes

3217 (29.08)

523 (16.84 )

743 (25.97)

929 (34.69)

1022 (40.12)

 

No

6461 (70.92)

1897 (83.16)

1676 (74.03)

1490 (65.31)

1398 (59.88)

 

Depression

     

0.0011

Yes

810 (6.74)

164 (5.48)

170 (5.86)

225 (7.47)

251 (8.31)

 

No

8868 (93.26)

2256 (94.52)

2249 (94.14)

2194 (92.53)

2169 (91.69)

 

Smoking

     

< 0.0001

Yes

4552 (46.45)

1002 (41.45)

1083 (44.95)

1203 (49.04)

1264 (50.92)

 

No

5126 (53.55)

1418 (58.55)

1336 (55.05)

1216 (50.96)

1156 (49.08)

 

Drinking

     

0.4290

Yes

7012 (76.68)

1781 (78.38)

1736 (76.24)

1733 (75.89)

1762 (76.09)

 

No

2666 (23.32)

639 (21.62)

683 (23.76)

686 (24.11)

658 (23.91)

 

Moderate activity

     

0.0708

Yes

4241 (48.64)

1126 (51.10)

1050 (46.90)

1042 (48.95)

1023 (47.44)

 

No

5437 (51.36)

1294 (48.90)

1369 (53.10)

1377 (51.05)

1397 (52.56)

 

Bowel movement type

     

0.0663

Constipation

697 (6.52)

190 (7.33)

178 (6.84)

168 (5.75)

161 (6.05)

 

Normal

8277 (87.18)

2093 (87.52)

2066 (86.38)

2063 (88.12)

2055 (86.73)

 

Diarrhea

704 (6.30)

137 (5.15)

175 (6.78)

188 (6.13)

204 (7.22)

 
  1. Note: Categorical variables were presented as sample counts and weighted percentages, and continuous variables were presented as median and interquartile range or weighted mean and 95% confidence intervals; CMI: Cardiometabolic index; BMF: Bowel movement frequency; PIR: Poverty-income ratio; BMI: Body mass index