Skip to main content

Table 1 Characteristics of the participants

From: Relationship between the duration of smoking and blood pressure in Han and ethnic minority populations: a cross-sectional study in China

Variable

Total

Han population

Minority population

P

Sample size

8801

7022

1779

–

Age (year)

49.55 (13.63)

49.63 (13.53)

49.21 (14.04)

0.252

Sex

 Male

8431 (95.8%)

6681 (95.1%)

1750 (98.4%)

<  0.001

 Female

370 (4.2%)

341 (4.9%)

29 (1.6%)

 

BMI

23.79 (3.82)

23.72 (3.73)

24.04 (4.13)

0.004

LDL-C (mmol/L)

2.82 (0.87)

2.82 (0.88)

2.85 (0.87)

0.206

FPG (mmol/L)

5.38 (1.49)

5.42 (1.51)

5.22 (1.38)

<  0.001

Diagnosed with hypertension based on medical record or measured SBP/DBP

 Yes

3633 (41.3%)

2683 (38.2%)

950 (53.4%)

<  0.001

 No

5168 (58.7%)

4339 (61.8%)

829 (46.6%)

 

Diagnosed with type 2 diabetes based on medical record or measured fasting glucose

 Yes

1810 (20.6%)

1213 (17.3%)

597 (33.6%)

<  0.001

 No

6991 (79.4%)

5809 (82.7%)

1182 (66.4%)

 

Smoke

 Quit

1956 (22.2%)

1631 (23.2%)

325 (18.3%)

<  0.001

 Current

6845 (77.8%)

5391 (76.8%)

1454 (81.7%)

 

Duration of smoking (year)

25.92 (12.91)

25.84 (12.80)

26.23 (13.37)

0.270

Drink

 Never

2239 (25.4%)

1847 (26.3%)

392 (22.0%)

<  0.001

 Quit

1014 (11.5%)

743 (10.6%)

271 (15.2%)

 

 Current

5548 (63.0%)

4432 (63.1%)

1116 (62.7%)

 

Physical activities

 Light

4843 (55.0%)

4197 (59.8%)

646 (36.3%)

<  0.001

 Moderate

1552 (17.6%)

1268 (18.1%)

284 (16.0%)

 

 Heavy

2406 (27.3%)

1557 (22.2%)

849 (47.7%)

 

Systolic blood pressure

127.92 (18.28)

127.22 (17.48)

130.66 (20.90)

<  0.001

Diastolic blood pressure

78.65 (11.64)

78.75 (11.41)

78.22 (12.50)

0.104

  1. The participants were described using means with standard deviations and numbers with percentage. P values were calculated based on the comparisons between the Han population and the minority population
  2. Abbreviations: CI Confidence interval, BMI Body mass index, LDL-C Low-density lipoprotein cholesterol, FPG Fasting plasma glucose