Table 2 Prevalence of hypertension in Han and Mongolian adults

All, %

27.47 (25.66–29.29)

31.46 (28.47–34.45)

28.61 (27.05–30.16)

0.02

Sex, %

 Male

34.04 (30.94–37.14)

40.67 (35.59–45.75)

34.18 (31.56–36.80)

0.03

 Female

23.34 (21.14–25.53)

25.62 (22.02–29.21)

23.98 (22.11–25.86)

0.28

Age groups, %

 20–29

3.29 (1.53–5.05)

5.29 (1.93–8.66)

3.89 (2.30–5.49)

0.26

 30–39

13.68 (10.32–17.04)

11.31 (6.52–16.10)

12.98 (10.22–15.74)

0.44

 40–49

26.67 (23.33–30.00)

28.91 (23.35–34.46)

27.28 (24.42–30.14)

0.49

 50–59

40.57 (36.22–44.93)

50.00 (43.07–56.93)

43.31 (39.61–47.02)

0.02

 60–80

52.73 (47.62–57.85)

67.94 (59.95–75.93)

56.74 (52.38–61.10)

0.003

Education level, %

 Low

41.53 (36.07–46.99)

48.08 (38.48–57.68)

43.17 (38.41–47.92)

0.24

 Medium

29.81 (27.28–32.34)

37.97 (32.85–43.09)

31.57 (29.29–33.84)

0.004

 High

17.75 (15.02–20.47)

23.11 (19.32–26.90)

19.82 (17.59–22.05)

0.02

Cigarette smoking, %

 Never

24.00 (21.92–26.08)

28.62 (25.12–32.11)

25.31 (23.52–27.10)

0.02

 Current

30.21 (26.31–34.10)

30.69 (24.33–37.05)

30.34 (27.02–33.66)

0.90

 Former

51.74 (44.28–59.21)

56.25 (45.38–67.12)

53.17 (47.01–59.34)

0.50

Alcohol drinking, %

 Never

24.75 (22.47–27.02)

27.83 (23.73–31.92)

25.52 (23.52–27.51)

0.19

 Current

29.95 (26.79–33.11)

32.58 (27.96–37.19)

30.81 (28.21–33.42)

0.35

 Former

40.00 (31.88–48.12)

49.28 (37.48–61.07)

43.06 (36.35–49.78)

0.20

BMI, %

 Lean or healthy

17.27 (15.25–19.29)

17.75 (14.26–21.23)

17.39 (15.65–19.14)

0.82

 Overweight

38.39 (34.99–41.80)

42.25 (37.24–47.25)

39.64 (36.82–42.45)

0.21

 Obesity

54.40 (47.38–61.43)

57.30 (47.03–67.58)

55.32 (49.52–61.12)

0.65

Physical activity, %

 Light

28.27 (26.23–30.30)

31.89 (28.58–35.20)

29.31 (27.58–31.05)

0.06

 Medium

21.89 (17.18–26.59)

26.83 (17.24–36.42)

22.96 (18.72–27.19)

0.35

 Heavy

28.57 (21.27–35.87)

32.10 (21.93–42.27)

29.82 (23.89–35.76)

0.58

Exercise, %

 Yes

32.66 (30.15–35.17)

36.43 (32.52–40.34)

33.80 (31.69–35.92)

0.11

 No

20.45 (17.93–22.96)

23.03 (18.58–27.49)

21.11 (18.92–23.30)

0.31