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Table 1 Baseline characteristics of participants (HFCS sweetened drinks)a

From: Relationship between high fructose corn syrup sweetened drinks, diet soft drinks, and serum sodium: NHANES 2003–2006

Characteristic

Total (n = 5396)

HFCS sweetened soft drink intake quantiles (servings/day)1

P-value2

Quantile1 (n = 1470)

Quantile2 (n = 1259)

Quantile3 (n = 1279)

Quantile4 (n = 1388)

Age, years

45.40 ± 0.46

52.47 ± 0.87

46.60 ± 0.66

42.63 ± 0.50

39.58 ± 0.53

<  0.001

Sex, n (%)

     

<  0.001

 Male

2607 (50.50)

608 (39.97)

578 (47.08)

671 (55.88)

750 (59.43)

 

 Female

2789 (49.50)

862 (60.03)

681 (52.92)

608 (44.12)

638 (40.57)

 

Race, n (%)

     

< 0.001

 Non-Hispanic White

2626 (70.50)

838 (74.61)

601 (69.21)

544 (66.40)

643 (71.02)

 

 Non-Hispanic Black

1202 (11.84)

241 (8.87)

284 (12.54)

318 (13.90)

359 (12.44)

 

 Hispanic

171 (3.65)

47 (3.62)

36 (3.11)

46 (4.69)

42 (3.25)

 

 Mexican American

1169 (8.27)

265 (5.88)

279 (8.21)

331 (10.50)

294 (8.79)

 

 Other race

228 (5.74)

79 (7.02)

59 (6.92)

40 (4.51)

50 (4.50)

 

Education, n (%)

     

< 0.001

 Less than high school

1400 (18.48)

374 (16.26)

311 (16.49)

328 (18.84)

387 (22.27)

 

 High school graduate

1242 (27.82)

320 (24.33)

289 (25.58)

293 (27.91)

340 (33.40)

 

 Some college or AA degree

1315 (30.46)

364 (28.39)

329 (31.11)

321 (32.36)

301 (33.36)

 

 College graduate or above

866 (23.17)

325 (30.85)

233 (26.73)

181 (20.88)

127 (13.98)

 

Poverty income ratio, n (%)

     

0.016

  < 130%

1616 (21.50)

392 (18.48)

346 (19.01)

386 (21.42)

492 (26.70)

 

  ≥ 130%

3516 (78.50)

996 (81.52)

854 (80.99)

828 (78.58)

838 (73.30)

 

Physical activity, n (%)

     

0.2

 Inactive

176 (5.22)

35 (3.89)

41 (4.63)

40 (6.43)

60 (6.10)

 

 Insufficiently active

1621 (48.67)

469 (46.72)

343 (48.29)

365 (48.78)

444 (50.89)

 

 Sufficiently active

1529 (46.11)

445 (49.40)

330 (47.08)

318 (44.79)

436 (43.01)

 

History of hypertension, n (%)

     

< 0.001

 No

3235 (62.14)

768 (54.57)

733 (62.70)

818 (66.37)

916 (65.67)

 

 Yes

2158 (37.86)

701 (45.43)

525 (37.30)

460 (33.63)

472 (34.33)

 

Diuretic use, n (%)

     

< 0.001

 No

4783 (90.27)

1216 (84.12)

1120 (91.65)

1162 (91.81)

1285 (93.97)

 

 Yes

613 (9.73)

254 (15.88)

139 (8.35)

117 (8.19)

103 (6.03)

 

BMI, kg/m2

27.89 ± 0.17

27.16 ± 0.25

27.84 ± 0.29

27.90 ± 0.22

28.67 ± 0.29

0.005

Na, mmol/L

139.09 ± 0.07

138.92 ± 0.10

139.20 ± 0.09

139.08 ± 0.10

139.16 ± 0.09

0.3

K, mmol/L

3.98 ± 0.01

4.00 ± 0.02

3.98 ± 0.01

3.99 ± 0.01

3.95 ± 0.01

0.023

Cl, mmol/L

103.63 ± 0.07

103.28 ± 0.11

103.78 ± 0.09

103.75 ± 0.09

103.77 ± 0.13

0.006

UA, mmol/L

320.46 ± 1.57

312.51 ± 3.09

315.46 ± 2.56

325.30 ± 2.91

327.41 ± 2.71

< 0.001

Osmolality, mmol/kg

277.36 ± 0.15

277.56 ± 0.26

277.66 ± 0.20

277.21 ± 0.21

277.03 ± 0.19

0.037

eGFR, mL/min/1.73m2

91.99 ± 0.57

85.50 ± 1.13

91.60 ± 0.92

93.75 ± 0.70

97.37 ± 0.62

< 0.001

HFCS sweetened soft drink intake, servings/day

0.78 ± 0.04

0.02 ± 0.001

0.14 ± 0.002

0.54 ± 0.006

2.33 ± 0.06

< 0.001

Dietary sodium intake, mg/day

3406.6 ± 41.97

3126.90 ± 59.16

3354.06 ± 65.13

3541.58 ± 78.55

3.620.39 ± 64.46

< 0.001

Total moisture intake, g/day

2251.20 ± 31.63

2296.55 ± 63.55

2191.80 ± 47.53

2261.70 ± 46.40

2247.79 ± 30.29

0.140

Total energy intake, kcal/d

2135.10 ± 21.56

1938.31 ± 32.41

2051.48 ± 39.41

2229.07 ± 48.13

2327.41 ± 29.41

< 0.001

  1. Abbreviations: BMI Body mass index, CI Confidence interval, eGFR Estimated glomerular filtration rate, HFCS High fructose corn syrup, UA Uric acid
  2. 1Values are presented as mean ± SE for continuous variables and unweighted numbers (weighted%) for categorical variables
  3. 2P-values are for the difference between the four HFCS sweetened soft drink quantiles. For the determination of p-values, svy-t-tests were used for continuous variables, and svy-wald-tests were used for categorical variables
  4. aData are presented incorporating sample weights and adjusted for clusters and strata of the complex sample design of the National Health and Nutrition Examination Survey (2003–2004 cycle and 2005–2006 cycle)