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Volume 17, Number 4—April 2011

Research

Effects of Hand Hygiene Campaigns on Incidence of Laboratory-confirmed Influenza and Absenteeism in Schoolchildren, Cairo, Egypt

Maha TalaatComments to Author , Salma Afifi, Erica Dueger, Nagwa El-Ashry, Anthony Marfin, Amr Kandeel, Emad Mohareb, and Nasr El-Sayed
Author affiliations: Author affiliations: US Naval Medical Research Unit No. 3 (NAMRU-3), Cairo, Egypt (M. Talaat, S. Afifi, E. Dueger, A. Marfin, E. Mohareb); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (E. Dueger, A. Marfin); Ministry of Health, Cairo (N. El-Ashry, A. Kandeel, N. El-Sayed)

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Table 2

Incidence of absences caused by illness and reasons for absence in control and intervention schools, Cairo, Egypt, February 16–May 12, 2008*

Absence caused by illness Control, n = 282,832 student-weeks
Intervention, n = 250,584 student-weeks
Reduction, % p value
No. episodes Median (IQR) No. episodes Median (IQR)
Overall illness 19,094 7.2 (3.3–9.5) 13,247 5.7 (3.4–7.6) 21 <0.0001
ILI 1,671 0.5 (0.3–1.1) 917 0.3 (0.1–0.7) 40 <0.0001
Diarrhea 1,316 0.3 (0.1–0.6) 639 0.2 (0.0–0.5) 33 <0.0001
Conjunctivitis 1,214 0.3 (0.1–0.6) 530 0.1 (0.0–0.4) 67 <0.0001

*IQR, interquartile range; ILI, influenza-like illness.

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