Table 2 Sociodemographic, lifestyle factors, and nutritional intake of study participants according to blood pressure statusa.

From: Association of surrogate indices of insulin resistance with hypertension: a cross-sectional analysis from PERSIAN Dena cohort study (PDCS)

  

Groups

pb

All Participants

(n = 1840)

Normal blood pressure (n = 1669)

Prehypertension/

hypertension

(n = 171)

Age (years)

49 ± 9.7

49 ± 9.7

52.5 ± 9.3

< 0.001

Sex, n (%)

 Males

109 (53.4)

873 (52.3)

982 (53.4)

0.004

 Females

62 (36.3)

796 (47.7)

858 (46.6)

Resident type, n (%)

    

 Urban

112(65.5)

1013(60.7)

1125(61.1)

0.22

 Rural

59(34.5)

656(39.3)

715(38.9)

 

Educational level, n (%)

    

 Illiterate/primary

66 (9.7)

611 (90.3)

757 (41.4)

0.057

 Middle and high school

72 (9.6)

677 (90.4)

669 (36.4)

 University

33 (8)

381 (92)

414 (22.5)

Occupation, n (%)

 Unemployed/housewife

58 (74)

725 (92.6)

783 (42.6)

0.051

 Employed

99 (10.5)

840 (89.5)

939 (51)

 Retired

14 (11.9)

104 (88.1)

118 (6.4)

 Physical activity (MET-h per day)

40.5 ± 5.8

40.6 ± 5.8

40.43 ± 5.9

0.5

 Current smoker, n (%)

415 (22.4)

374 (22.4)

41 (24)

0.63

 Sleep duration (h/day)

6.9 ± 1.4

6.9 ± 1.4

6.8 ± 1.4

0.052

 WSI

0.1 ± 0.87

0.09 ± 0.9

0.15 ± 0.8

0.43

 Energy (Kcal/day)

2735 ± 951

2756 ± 834

2733 ± 962

0.19

 Fiber (gr/day)

29.9 ± 12.8

30.3 ± 12

30 ± 13

0.34

 Calcium (mg/day)

1238 ± 552

1275 ± 510

1234 ± 5567

0.22

 Magnesium (mg/day)

371 ± 127

372 ± 124

369 ± 135

0.44

 Potassium (mg/day)

3774 ± 1552

3783 ± 1408

3772 ± 1566

0.4

 Sodium (mg/day)

5009 ± 2114

5300 ± 2412

7497 ± 2080

0.18

  1. MET metabolic equivalent. a All data are reported as means ± standard deviations unless indicated. b Determined using the Mann-Whitney U test or chi-square test, where appropriate. p < 0.05 was considered statistically significant.