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Volume 21, Number 11—November 2015

Shigella Infections in Household Contacts of Pediatric Shigellosis Patients in Rural Bangladesh

Christine Marie GeorgeComments to Author , Shahnawaz Ahmed, Kaisar A. Talukder, Ishrat J. Azmi, Jamie Perin, R. Bradley Sack, David A Sack, O. Colin Stine, Lauren Oldja, Mohammad Shahnaij, Subhra Chakraborty, Tahmina Parvin, Sazzadul Islam Bhuyian, Edward Bouwer, Xiaotong Zhang, Trisheeta N. Hasan, Sharmin J. Luna, Fatema Akter, and Abu S.G. Faruque
Author affiliations: Johns Hopkins University, Baltimore, Maryland, USA (C.M. George, J. Perin, R.B. Sack, D.A. Sack, L. Oldja, S. Chakraborty, E. Bouwer, X. Zhang); icddb,b, Bangladesh (S. Ahmed, K.A. Talukder, I.J. Azmi, M. Shahnaij, T. Parvin, S.I. Bhuyian, T.N. Hasan, S.J. Luna, F. Akter, A.S.G. Faruque); University of Maryland School of Medicine, Baltimore (O.C. Stine)

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Table 1

Characteristics of household contacts of pediatric shigellosis patients and of community controls, rural Bangladesh

Characteristic Median ± SD (range) or no. (%)
p value
Patient contacts, n = 81 Control contacts, n = 77
No. enrolled contacts per household* 3.0 ± 0.73 (2.0–5.0) 3.0 ± 0.95 (2.0–6.0) 0.25
No. persons living in the household for past 6 mo* 5.0 ± 1.4 (3.0–9.0) 6.0 ± 2.7 (3.0 –15.0) 0.16
Age of contacts, y† 27.0 ± 16.9 (1.8–72.0) 30.0 ± 18.6 (3.5–89.0) 0.47
Hours contacts spent outside their home in the past 48 h during surveillance period† 2.0 ± 1.8 (0–6.3) 1.0 ± 1.8 (0–7.3) 0.09
Female sex‡ 48 (58) 46 (61) 0.75
Drank water outside their home during surveillance period‡ 57 (69) 48 (62) 0.41
Consumed food outside their home during surveillance period‡ 51 (61) 36 (47) 0.08
Consumed uncooked vegetables or fruits during surveillance period‡ 22 (27) 12 (16) 0.12

*For household characteristics, a Wilcoxon signed-rank test was used for paired continuous variables.
†For individual characteristics, a Wilcoxon rank-sum test was used for continuous variables.
‡For individual characteristics, a Fisher exact test was used for categorical variables.

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Page created: October 16, 2015
Page updated: October 16, 2015
Page reviewed: October 16, 2015
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