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Volume 11, Number 7—July 2005
Dispatch

Household Transmission of Gastroenteritis

Sharon Perry*Comments to Author , Maria de la Luz Sanchez*, Philip K. Hurst*, and Julie Parsonnet*
Author affiliations: *Stanford University School of Medicine, Stanford, California, USA

Main Article

Table 1

Characteristics of 1,099 primary case-patients and 3,916 household contacts

Primary (n = 1,099) (%) Secondary (n = 344) (%) No symptoms (n = 3,572) (%)
No. persons in household, median 5* 6 5*
<18 y 2 3 2
≥18 y 3 3 3
Index case 852 (78)* 79 (23)
Member/index family 1,052 (96)* 295 (86) 2,064 (58)*
Age, y, median 3.6* 12.6 24.7*
<2 412 (37) 57 (17) 138 (4)
2–5 254 (23) 50 (15) 303 (8)
6–17 145 (13) 76 (22) 670 (19)
≥18 288 (26) 161 (47) 2,461 (69)
Male 552 (50)* 148 (43) 1,803 (50)*
Daycare (if <6 y) 148 (22) 24 (22) 108 (24)
Symptoms
Duration, median days 3* 1.3
Vomiting with or without diarrhea 799 (73)* 194 (56)
Shares a bed with primary case-patient 152 (44) 776 (22)*
Exposed to vomiting, primary case-patient 87 (25) 649 (18)*

*Univariate analysis, p<0.05 for comparison of secondary and primary cases, or secondary cases and other contacts of primary cases; –, not applicable.

Main Article

Page created: April 23, 2012
Page updated: April 23, 2012
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