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Table 2 Prevalence, awareness, treatment, and control among the study population

From: Urban–rural disparities in hypertension prevalence, awareness, treatment, and control among Chinese middle-aged and older adults from 2011 to 2015: a repeated cross-sectional study

 

2011 wave

2015 wave

 

Total

Urban

Rural

P value

Total

Urban

Rural

P value

Prevalence

 n/N

4299 / 11,129

942 / 2103

3357 / 9026

 < 0.001

3689 / 8916

723 / 1591

2966 / 7325

 < 0.001

 Crude rate (95% CI)

38.6 (37.7–39.5)

44.8 (42.7–46.9)

37.2 (36.2–38.2)

 

41.4 (40.4–42.4)

45.4 (43.0–47.9)

40.5 (39.4–41.6)

 

 Age-adjusted rate (95% CI)

38.2 (37.3–39.1)

42.8 (40.7–44.8)

37.1 (36.1–38.1)

 

38.5 (37.5–39.6)

42.5 (39.9–45.2)

37.7 (36.5–38.8)

 

Awareness

 n/N

2497 / 4299

644 / 942

1853 / 3357

 < 0.001

2648 / 3689

546 / 723

2102 / 2966

0.013

 Crude rate (95% CI)

58.1 (56.6–59.6)

68.4 (65.4–71.3)

55.2 (53.5–56.9)

 

71.8 (70.3–73.2)

75.5 (72.4–78.7)

70.9 (69.2–72.5)

 

 Age-adjusted rate (95% CI)

57.2 (55.6–58.8)

67.8 (64.4–71.2)

54.4 (52.6–56.2)

 

70.6 (68.9–72.4)

72.8 (68.8–76.8)

70.1 (68.1–72.1)

 

Treatment

 n/N

2123 / 4299

584 / 942

1539 / 3357

 < 0.001

2251 / 3689

480 / 723

1771 / 2966

 < 0.001

 Crude rate (95% CI)

49.4 (47.9–50.9)

62.0 (58.9–65.1)

66.4 (62.9–69.8)

 

61.0 (59.4–62.6)

45.8 (44.2–47.5)

59.7 (57.9–61.5)

 

 Age-adjusted rate (95% CI)

48.2 (46.6–49.8)

60.2 (56.7–63.8)

44.9 (43.1–46.7)

 

59.2 (57.2–61.1)

63.3 (59.0–67.6)

58.1 (56.0–60.2)

 

Control

 n/N

889 / 4299

259 / 942

630 / 3357

 < 0.001

1004 / 3689

233 / 723

771 / 2966

 < 0.001

 Crude rate (95% CI)

20.7 (19.5–21.9)

27.5 (24.6–30.3)

18.8 (17.4–20.1)

 

27.2 (25.8–28.7)

32.2 (28.8–35.6)

26.0 (24.4–27.6)

 

 Age-adjusted rate (95% CI)

20.4 (19.1–21.6)

27.8 (24.6–31.0)

18.4 (17.0–19.8)

 

27.4 (25.6–29.1)

31.3 (27.3–35.3)

26.4 (24.5–28.4)

 

Control among treated

 n/N

889 / 2123

259 / 584

630 / 1539

 < 0.001

1004 / 2251

233 / 480

771 / 1771

 < 0.001

 Crude rate (95% CI)

41.9 (39.8–44.0)

44.3 (40.3–48.4)

40.9 (38.5–43.4)

 

44.6 (42.5–46.7)

48.5 (44.1–53.0)

43.5 (41.2–45.8)

 

 Age-adjusted rate (95% CI)

42.1 (39.8–44.4)

46.3 (41.6–51.0)

40.7 (38.1–43.4)

 

46.4 (43.9–49.0)

49.5 (43.8–55.2)

45.7 (42.8–48.5)