Table 5 The median of each variable according to four different levels of income groups

Group 1 (n = 540)

22.14

(17.4–28.77)

2.8

(2.2–3.6)

8

(5.5–13)

1.61

(1.39–1.9)

29.51

(28.46–30.23)

0.87

(0.83–0.9)

8

(6.8–9.29)

2280

(1040.11–4192.9)

Group 2 (n = 300)

21.39

(14.64–29.61)

9.65

(6.8–15.48)

35

(17.75–47.25)

1.88

(1.54–2.36)

27.3

(26.46–28.17)

0.73

(0.7–0.76)

5.89

(4.91–7.4)

277.67

(148.15–430.13)

Group 3 (n = 177)

8.85

(4.6–15.18)

18.1

(12.55–25.95)

71.5

(29.75–122.5)

2.6

(1.69–3.5)

28.12

(26.83–29.04)

0.63

(0.56–0.68)

5.66

(4.47–6.71)

67.4

(35.06–121.62)

Group 4 (n = 62)

2.95

(1.68–4.5)

31.65

(27.93–38.8)

450

(350.75–698.5)

5.31

(4.62–6.05)

29.21

(28.56–29.87)

0.44

(0.39–0.47)

5.45

(4.36–8.25)

25.12

(15.38–36.39)