Table 4 Risk factor analysis of cystic echinococcosis in Yanghutaozi village in 2008–2014.

Gender

Male

1.54 (20/1295)

1.05 (10/956)

2.80 (4/143)

3.09 (3/97)

2.70 (4/148)

0.99 (1/101)

0 (0/64)

[0.87–2.22]

[0.40–1.69]

[0.77–7.01]

[0.64–8.77]

[0.64–8.77]

[0.02–5.39]

–

Female

3.13 (32/1032)

3.66 (32/875)

2.35 (2/85)

3.57 (4/112)

3.23 (5/155)

10 (2/20)

2.04 (1/49)

[2.04–4.16]

[2.41–4.90]

[0.29–8.24]

[0.98–8.89]

[0.44–6.01]

[1.24–31.70]

[0.05–10.85]

χ²-value

6.368

13.898

0

0

0

2.498

–

P-value

0.012

0.0002

 > 0.9999

 > 0.9999

 > 0.9999

0.114

0.4336

Age

< 20

0.09 (1/1121)

0.19 (1/514)

0.90 (1/111)

0 (0/66)

0 (0/72)

0 (0/23)

0 (0/15)

[0.002–0.50]

[0.01–1.08]

[0.02–4.92]

–

–

–

–

20-

0 (0/288)

0.28 (1/353)

0 (0/24)

0 (0/17)

0 (0/21)

0 (0/11)

0 (0/11)

–

[0.01–1.57]

–

–

–

–

–

30-

2.36 (9/381)

1.07 (3/281)

8.33 (2/24)

0 (0/24)

0 (0/47)

3.33 (1/30)

0 (0/13)

[0.84–3.89]

[0.22–3.09]

[1.03–27.00]

–

–

[2.11–26.53]

–

40-

5.04 (17/337)

3.43 (11/321)

2.08 (1/48)

9.52 (4/42)

1.22 (1/82)

0 (0/41)

0 (0/15)

[2.71–7.38]

[1.44–5.42]

[0.05–11.07]

[0.66–22.62]

[0.03–6.61]

–

–

50-

11.2 (14/125)

8.24 (14/170)

5.26 (1/19)

3.85 (1/26)

5 (2/40)

0 (0/14)

4.55 (1/22)

[5.67–16.73]

[4.10–12.37]

[0.13–26.03]

[0.10–19.64]

[0.61–16.92]

–

[0.11–22.84]

60-

18.18 (10/55)

6.76 (10/148)

100 (1/1)

0 (0/11)

18.18 (6/33)

100 (2/2)

0 (0/33)

[7.99–28.37]

[2.71–10.80]

–

–

[5.02–31.34]

–

–

> 70

11.11 (1/9)

4.55 (2/44)

0 (0/1)

8.7 (2/23)

0 (0/8)

0 (0/0)

0 (0/4)

[0.28–48.25]

[0.56–15.47]

–

[1.07–28.04]

–

–

–

χ²_trend-value

124.4

47.74

4.89

4.82

13.87

5.37

0.2

P-value

 < 0.0001

 < 0.0001

0.027

0.028

0.0002

0.02

0.65

Education

Illiteracy

5.93 (40/675)

5.05 (22/436)

7.14 (2/28)

4.17 (1/24)

8.57 (6/70)

33.33 (2/6)

0 (0/25)

[4.15–7.71]

[2.99–7.10]

[0.88–23.50]

[0.11–21.12]

[2.01–15.13]

[4.33–77.72]

–

Elementary school

1.23 (10/810)

1.56 (13/833)

3.57 (3/84)

6.06 (6/99)

1.61 (3/186)

0 (0/58)

2 (1/50)

[0.47–2.00]

[0.72–2.40]

[0.74–10.08]

[1.36–10.76]

[0.33–4.64]

–

[0.05–10.65]

Middle school

0.13 (1/797)

1.33 (7/525)

0.87 (1/115)

0 (0/70)

0 (0/37)

1.85 (1/54)

0 (0/35)

[0.003–0.70]

[0.35–2.31]

[0.02–4.75]

–

–

[0.05–9.89]

–

High school or higher

2.94 (1/34)

0 (0/37)

0 (0/1)

0 (0/16)

0 (0/10)

0 (0/3)

0 (0/3)

[0.07–15.33]

–

–

–

–

–

–

χ²-value

61.825

19.603

3.934

5.278

10.248

25.262

1.271

P-value

 < 0.0001

 < 0.0001

0.269

0.153

0.017

 < 0.0001

0.736