Skip to main content

Table 1 The characteristics of the study population at baseline (n = 5097)

From: Sex difference in the incidence of stroke and its corresponding influence factors: results from a follow-up 8.4 years of rural China hypertensive prospective cohort study

Characteristics a

Men (n = 2231)

Women (n = 2866)

P Value b

Age, (years)

57.21 ± 11.52

55.54 ± 10.97

<0.001

BMI,(kg/m2)

23.45 ± 3.01

24.19 ± 3.63

<0.001

SBP, (mmHg)

158.01 ± 20.41

161.06 ± 21.41

<0.001

DBP, (mmHg)

94.05 ± 11.97

93.91 ± 12.02

0.691

Blood glucose, (mmol/L)

5.70 ± 1.49

5.70 ± 1.86

0.896

Total cholesterol, (mmol/L)

5.17 ± 1.06

5.30 ± 1.04

<0.001

Triglyceride, (mmol/L)

1.65 ± 1.82

1.75 ± 1.30

0.030

Salt intake, (g/day)

16.7 ± 11.38

16.37 ± 12.49

0.341

LDL-C, (mmol/L)

2.72 ± 0.72

2.86 ± 0.73

<0.001

HDL-C, (mmol/L)

1.42 ± 0.33

1.44 ± 0.32

0.004

Current smoking, n (%)

1458 (65.4)

587 (20.5)

<0.001

Current drinking, n (%)

1290 (57.8)

213 (7.4)

<0.001

Antihypertensive drugs, n (%)

412 (18.5)

779 (27.2)

<0.001

Age, n (%)

 35–44 years

356 (16.0)

540 (18.8)

<0.001

 45–54 years

595 (26.7)

849 (29.6)

 55–64 years

651 (29.2)

871 (30.4)

 ≥ 65 years

629 (28.2)

606 (21.1)

Education degree, n (%)

 Illiteracy and primary school

1006 (45.1)

1799 (62.8)

<0.001

 Junior high school

1012 (45.4)

953 (33.3)

 High school and above

213 (9.5)

114 (4.0)

BMI group, n (%)

 <24

1381 (61.9)

1460 (50.9)

<0.001

 24–28

719 (32.2)

1052 (36.7)

 ≥ 28

131 (5.9)

354 (12.4)

Ethnicity, n (%)

 Han

1788 (80.1)

2289 (79.9)

0.955

 Mongolian

411 (18.4)

537 (18.7)

 Other

32 (1.4)

40 (1.4)

Physical activity, n (%)

 Low

671 (30.4)

1036 (36.5)

<0.001

 Moderate

879 (39.8)

1077 (37.9)

 High

656 (29.7)

725 (25.5)

History of family hypertension, n (%)

  

0.032

 None of parents

1841 (82.5)

2297 (80.1)

 At least one parent

390 (17.5)

569 (19.9)

History of diabetes, n (%)

13 (0.6)

27 (0.9)

0.149

History of hyperlipidemia, n (%)

128 (5.7)

169 (5.9)

0.810

  1. LDL-C: low-density lipoprotein cholesterol. HDL-C:high-density lipoprotein cholesterol. BMI: Body mass index
  2. SBP: systolic blood pressure. DBP: diastolic blood pressure
  3. a:Population characteristics in the table are percentage or mean (standard deviation)
  4. b:P-values were calculated by t test or chi-square test to compare differences within sex