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Table 2 Comparisons of characteristics among different groups

From: Role of no table salt on hypertension and stroke based on large sample size from National Health and Nutrition Examination Survey database

Variables

No Hypertension or Stroke (n = 9297)

Hypertension (n = 4661)

Stroke (n = 340)

Hypertension and Stroke (n = 1054)

Statistic

P-value

Age (years), n (%)

    

χ2 = 3036.017

 < .001

 20–39

4352 (46.81)

628 (13.47)

47 (13.82)

35 (3.32)

  

 40–59

3182 (34.23)

1593 (34.18)

116 (34.12)

273 (25.90)

  

 60–79

1539 (16.55)

2022 (43.38)

135 (39.71)

578 (54.84)

  

 ≥ 80

224 (2.41)

418 (8.97)

42 (12.35)

168 (15.94)

  

Gender, n (%)

    

χ2 = 5.701

0.127

 Male

4420 (47.54)

2256 (48.40)

158 (46.47)

468 (44.40)

  

 Female

4877 (52.46)

2405 (51.60)

182 (53.53)

586 (55.60)

  

Race, n (%)

    

χ2 = 354.297

 < .001

 Mexican American

1317 (14.17)

450 (9.65)

40 (11.76)

99 (9.39)

  

 Other Hispanic

955 (10.27)

411 (8.82)

29 (8.53)

98 (9.30)

  

 Non-Hispanic White

3629 (39.03)

1937 (41.56)

183 (53.82)

474 (44.97)

  

 Non-Hispanic Black

1790 (19.25)

1359 (29.16)

52 (15.29)

280 (26.57)

  

 Other

1606 (17.27)

504 (10.81)

36 (10.59)

103 (9.77)

  

Education level, n (%)

    

χ2 = 361.767

 < .001

 Less than 9th grade

556 (5.98)

352 (7.55)

38 (11.18)

140 (13.28)

  

 9-11th grade

982 (10.56)

567 (12.16)

67 (19.71)

182 (17.27)

  

 High school graduate

1950 (20.97)

1119 (24.01)

86 (25.29)

285 (27.04)

  

 Some college

2933 (31.55)

1549 (33.23)

89 (26.18)

329 (31.21)

  

 College graduate

2876 (30.93)

1074 (23.04)

60 (17.65)

118 (11.20)

  

Marital Status, n (%)

    

χ2 = 1041.964

 < .001

 Married

4725 (50.82)

2555 (54.82)

159 (46.76)

440 (41.75)

  

 Widowed

325 (3.50)

508 (10.90)

44 (12.94)

208 (19.73)

  

 Divorced

866 (9.31)

607 (13.02)

55 (16.18)

200 (18.98)

  

 Separated

280 (3.01)

172 (3.69)

19 (5.59)

49 (4.65)

  

 Never married

2180 (23.45)

528 (11.33)

41 (12.06)

109 (10.34)

  

 Living with partner

921 (9.91)

291 (6.24)

22 (6.47)

48 (4.55)

  

BMI (kg/m2), n (%)

    

χ2 = 815.638

 < .001

 < 18.5

176 (1.89)

34 (0.73)

3 (0.88)

8 (0.76)

  

 18.5–24.9

3059 (32.90)

745 (15.98)

82 (24.12)

169 (16.03)

  

 25.0–29.9

3016 (32.44)

1501 (32.20)

89 (26.18)

262 (24.86)

  

 ≥ 30.0

3046 (32.76)

2381 (51.08)

166 (48.82)

615 (58.35)

  

PIR, M (Q1,Q3)

2.27 (1.15,4.30)

2.20 (1.18,4.25)

1.35 (0.91,2.48)

1.42 (0.88,2.48)

χ2 = 260.784

 < .001

Diabetes, n (%)

    

χ2 = 1697.862

 < .001

 Yes

556 (5.98)

1046 (22.44)

90 (26.47)

452 (42.88)

  

 No

8585 (92.34)

3414 (73.25)

240 (70.59)

556 (52.75)

  

 Borderline

156 (1.68)

201 (4.31)

10 (2.94)

46 (4.36)

  

CVDs, n (%)

    

χ2 = 1478.690

 < .001

 Yes

9052 (97.36)

4058 (87.06)

269 (79.12)

632 (59.96)

  

 No

232 (2.50)

585 (12.55)

68 (20.00)

406 (38.52)

  

 Unknown

13 (0.14)

18 (0.39)

3 (0.88)

16 (1.52)

  

Reduce salt, n (%)

    

χ2 = 2010.879

 < .001

 Yes

922 (9.92)

1712 (36.73)

64 (18.82)

460 (43.64)

  

 No

6251 (67.24)

1882 (40.38)

162 (47.65)

270 (25.62)

  

 Unknown

2124 (22.85)

1067 (22.89)

114 (33.53)

324 (30.74)

  

Type of table salt used, n (%)

    

χ2 = 207.986

 < .001

 Ordinary Salt

6394 (68.77)

2755 (59.11)

239 (70.29)

576 (54.65)

  

 Other Salt

305 (3.28)

263 (5.64)

15 (4.41)

81 (7.69)

  

 No table salt

2598 (27.94)

1643 (35.25)

86 (25.29)

397 (37.67)

  
  1. BMI body mass index, PIR poverty income ratio, CVDs cardiovascular diseases