Table 5 Adjusted prevalence of indicators of renal damage, hypertension and diabetes, by education and family income

  ≤ Primary school, tertile 1

2.3 (0.5–4.2)

31.9 (26.2–37.6)

33.5 (27.7–39.3)

51.8 (45.6–57.9)

15.8 (9.5–22.1)

18.7 (13.9–23.5)

33.3 (19.5–47.2)

5.8 (3.0–8.7)

 Junior high school, tertile 2

2.1 (1.1–3.1)

29.6 (26.4–32.8)

31.0 (27.7–34.3)

47.9 (44.4–51.5)

15.6 (11.9–19.3)

15.6 (13.1–18.2)

39.7 (30.8–48.5)

3.4 (2.1–4.6)

  ≥ Senior high school, tertile 3

3.2 (2.7–3.7)

16.1 (15.0–17.2)

17.9 (16.7–19.0)

31.1 (29.7–32.5)

6.9 (5.5–8.3)

5.5 (4.8–6.2)

29.9 (23.9–35.8)

1.2 (0.9–1.5)

^*P_trend

0.20

<  0.001

<  0.001

<  0.001

<  0.001

<  0.001

0.18

<  0.001

  ≤ 5000, tertile 1

3.7 (2.0–5.5)

18.2 (14.6–21.7)

20.6 (16.8–24.3)

55.1 (50.6–59.7)

21.3 (16.3–26.4)

19.3 (15.6–22.9)

44.3 (33.7–54.9)

6.8 (4.5–9.1)

 5000 –, tertile 2

2.6 (1.9–3.3)

18.1 (16.3–19.9)

20.0 (18.2–21.8)

35.4 (33.2–37.6)

9.3 (7.1–11.6)

6.7 (5.6–7.9)

27.4 (19.5–35.4)

1.0 (0.6–1.5)

  ≥ 7000, tertile 3

2.4 (1.0–3.9)

25.2 (21.2–29.2)

26.5 (22.4–30.6)

39.3 (34.8–43.8)

12.9 (7.9–17.9)

11.9 (8.9–14.9)

33.3 (20.3–46.3)

2.9 (1.3–4.4)

^*P_trend

0.38

0.002

0.01

<  0.001

<  0.001

<  0.001

0.04

<  0.001