Table 1 Prevalence (P) for parasites in relation to epidemiological data and significant differences

Gender

females

118

15

12.7%

χ² = 0.912

males

129

22

17.1%

P = 0.219

Age (years)

< 5

158

16

10.1%

χ² =24.57

6-10

67

10

14.9%

P < 0.01

11-15

22

11

50.0%

Height (Z-score)

z < −1

55

17

30.9%

χ² = 16.76

−1<z<1

138

18

13.0%

P < 0.01

z > 1

54

2

3.70%

Weight (Z-score)

z < −1

40

8

20.0%

χ² = 5.550

−1<z<1

132

16

12.1%

P = 0.062

z > 1

50

2

4.0%

Provenance

European

181

27

14.9%

χ² =0.002

other

66

10

15.2%

P = 0.553

Time in Italy

< 1 year

85

22

25.9%

χ² = 12.096

> 1 year

162

15

9.3%

P < 0.01

Travel

no

178

27

15.2%

χ² = 0.018

yes

69

10

14.5%

P = 0.534

Housing

shack

21

10

47.6%

χ² = 19.198

apartment

226

27

11.9%

P < 0.01

Living with other families

no

170

18

10.6%

χ² = 8.258

yes

77

19

24.7%

P < 0.01