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Table 1 Baseline characteristics of 26,786 participants aged 20 to 80 years from 2007–2018 NHANES.

From: The association of dietary intake of riboflavin and thiamine with kidney stone: a cross-sectional survey of NHANES 2007–2018

  

Kidney stone

 

Characteristics

Overall

No

Yes

P value

Number (n)

26,786

24,208

2578

 

Age

50.12 ± 17.61

49.45 ± 17.65

56.41 ± 16.00

< 0.001

Riboflavin intake a

2.01 ± 1.07

2.01 ± 1.07

2.01 ± 0.99

0.177

Thiamine intake a

1.57 ± 0.76

1.57 ± 0.77

1.56 ± 0.73

0.911

Calcium intake (mg)

899.04 ± 588.70

900.57 ± 592.95

884.72 ± 547.16

0.035

Protein intake (gm)

79.28 ± 34.77

79.46 ± 34.87

77.61 ± 33.69

0.322

Gender

   

< 0.001

 Male

12,761 (47.64%)

11,335 (46.82%)

1426 (55.31%)

 

 Female

14,025 (52.36%)

12,873 (53.18%)

1152 (44.69%)

 

Race

   

< 0.001

 Non-Hispanic Black

5816 (21.71%)

5470 (22.60%)

346 (13.42%)

 

 Non-Hispanic White

11,471 (42.82%)

10,023 (41.40%)

1448 (56.17%)

 

 Hispanic/Mexican

6584 (24.58%)

5987 (24.73%)

597 (23.16%)

 

 Other Races

2915 (10.88%)

2728 (11.27%)

187 (7.25%)

 

Education level

   

0.731

 ≤ High school

9925 (37.05%)

8956 (37.00%)

969 (37.59%)

 

 > High school

16,835 (62.85%)

15,227 (62.90%)

1608 (62.37%)

 

 Missing

26 (0.10%)

25 (0.10%)

1 (0.04%)

 

Family income-to-poverty ratio

   

0.197

 < 1.3

7663 (31.31%)

6937 (31.39%)

726 (30.56%)

 

 ≥ 1.3, < 3.5

9278 (37.91%)

8345 (37.77%)

933 (39.27%)

 

 ≥ 3.5

7532 (30.78%)

6815 (30.84%)

717 (30.18%)

 

BMI (kg/m 2 )

   

< 0.001

 < 20

1144 (4.31%)

1083 (4.52%)

61 (2.39%)

 

 ≥ 20, < 25

6192 (23.35%)

5756 (24.02%)

436 (17.11%)

 

 ≥ 25, < 30

8684 (32.75%)

7821 (32.64%)

863 (33.87%)

 

 ≥ 30

10,493 (39.58%)

9305 (38.83%)

1188 (46.62%)

 

Smoking history

   

0.005

 Non-smoker

14,958 (55.84%)

13,690 (56.55%)

1268 (49.19%)

 

 Smoker

11,816 (44.11%)

10,506 (43.40%)

1310 (50.81%)

 

 Missing

12 (0.04%)

12 (0.05%)

0 (0.00%)

 

Alcohol drinking history (drinks/week)

   

< 0.001

 < 1

14,291 (53.35%)

12,721 (52.55%)

1570 (60.90%)

 

 1–3

5145 (19.21%)

4774 (19.72%)

371 (14.39%)

 

 ≥ 4

2443 (9.12%)

2229 (9.21%)

214 (8.30%)

 

 Missing

4907 (18.32%)

4484 (18.52%)

423 (16.41%)

 

Recreational activity

   

< 0.001

 None

14,018 (52.33%)

12,491 (51.60%)

1527 (59.23%)

 

 Moderate

7002 (26.14%)

6329 (26.14%)

673 (26.11%)

 

 Vigorous

5766 (21.53%)

5388 (22.26%)

378 (14.66%)

 

Diabetes mellitus

   

< 0.001

 No

21,340 (79.67%)

19,544 (80.73%)

1796 (69.67%)

 

 Yes

5144 (19.20%)

4374 (18.07%)

770 (29.87%)

 

 Missing

302 (1.13%)

290 (1.20%)

12 (0.47%)

 

Hypertension

   

< 0.001

 No

15,068 (56.25%)

13,980 (57.75%)

1088 (42.20%)

 

 Yes

11,718 (43.75%)

10,228 (42.25%)

1490 (57.80%)

 

Coronary heart disease

   

< 0.001

 No

25,557 (95.41%)

23,216 (95.90%)

2341 (90.81%)

 

 Yes

1138 (4.25%)

918 (3.79%)

220 (8.53%)

 

 Missing

91 (0.34%)

74 (0.31%)

17 (0.66%)

 

Gout history

   

< 0.001

 No

25,451 (95.02%)

23,216 (95.90%)

2341 (90.81%)

 

 Yes

1314 (4.91%)

918 (3.79%)

220 (8.53%)

 

 Missing

21 (0.08%)

74 (0.31%)

17 (0.66%)

 

Kidney stone

    

 No

24,208 (90.38%)

 

 Yes

2578 (9.62%)

 
  1. aLog transformed. Data were n (%) or mean ± SD; BMI, body mass index; NHANES, National Health and Nutrition Examination Survey