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Table 1 Basic information on participants and assessment of risk factors for Cryptosporidium infection

From: First report of Cryptosporidium viatorum and Cryptosporidium occultus in humans in China, and of the unique novel C. viatorum subtype XVaA3h

Variable

No. Examined (%)

No. Positive

p-value

Gender

 Male

195 (48.8)

2

0.237

 Female

205 (51.2)

0

Age

 < 5 years (infants)

61(15.3)

1

0.502

 5–12 years (children)

76(19.0)

0

 13–19 years (youths)

11(2.7)

0

 20–49 years (adults)

91(22.7)

0

 50 years up (elderly)

161(40.3)

1

Education level

 Primary and below

227 (56.8)

2

0.590

 Junior middle school

144 (36.0)

0

 High school and above

29 (7.2)

0

Drinking water sources

 Tap water

222 (55.5)

0

0.203

 Well or spring water

176 (44.0)

2

 Others

2 (0.5)

0

Drinking unboiled water

 Yes

159 (39.8)

2

0.157

 No

241 (60.2)

0

Washing hands before meals

 Yes

347 (86.8)

2

1.000

 No

53 (13.2)

0

Eating unwashed vegetables and fruits

 Yes

179 (44.8)

2

0.200

 No

221 (55.2)

0

Animals raising

 Yes

261 (65.3)

2

0.545

 No

139(34.7)

0

Diarrhea

 Yes

10 (2.5)

0

1.000

 No

390 (97.5)

2