Number of laboratory-confirmed <b>pH1N1</b> cases by sample collection date – Kibera and Lwak, Kenya, 2009–2010.

<p>The x-axis indicates the sample collection date, and the y-axis indicates the number of lab-confirmed pH1N1 cases.</p

Number of surveillance participants and exclusions from study analysis – Kibera and Lwak, Kenya, 2009–2010.

<p>Number of surveillance participants and exclusions from study analysis – Kibera and Lwak, Kenya, 2009–2010.</p

Demographics of Laboratory-Confirmed pH1N1 Patients, and Case Household and Comparison Household Persons, and Family Size of Case Households and Comparison Households – Kibera, Kenya, 2009–2010.

a<p>We calculated the <i>P</i>-values to compare case and comparison households by using Cochran-Mantel-Haenszel test for sex and age group, and Wilcoxon signed rank test for age and family size.</p>b<p>Std  =  standard deviation.</p>c<p>Min  =  minimum.</p>d<p>Max  =  Maximum.</p>e<p>Analyses of case households family size does not include the index cases.</p

Number (%) of Secondary Influenza-Like Illness Among Case Households and Influenza-Like Illness Among Comparison Households – Kibera and Lwak, Kenya, 2009–2010.

a<p>CI  =  confidence interval.</p

Demographics of Laboratory-Confirmed pH1N1 Patients, and Case Household and Comparison Household Persons, and Family Size of Case Households and Comparison Households – Lwak, Kenya, 2009–2010.

a<p>We calculated the <i>P</i>-values to compare case and comparison households by using Cochran-Mantel-Haenszel test for sex and age group, and Wilcoxon signed rank test for age and family size.</p>b<p>Std  =  standard deviation.</p>c<p>Min  =  minimum.</p>d<p>Max  =  Maximum.</p>e<p>Analyses of case households family size does not include the index cases.</p

Percentage (number) of Secondary Influenza-Like Illness Among Household Contacts of Confirmed pH1N1 patients, by Household Contact Age and by Patient Age – Kibera and Lwak, Kenya, 2009–2010.

a<p>CI = confidence interval.</p>b<p>We calculated the p-values using chi-square tests.</p

Prevalence and factors associated with chikungunya virus among persons aged 15–64 years, Kenya, 2007.

<p>cut off point to include factors in multivariate is pvalue <0.1</p><p>p value is the global p value for the bivariate variable</p><p>M_OR_CI is the multivariate odds ratio</p><p>M_p_value is the category multivariate p value</p><p>Ref- reference</p><p>+—and above</p><p>N, n = number of persons</p><p>Prevalence and factors associated with chikungunya virus among persons aged 15–64 years, Kenya, 2007.</p

Prevalence and factors associated with RVF virus among persons aged 15–64 years, Kenya, 2007.

<p>cut off point to include factors in multivariate is pvalue <0.1</p><p>p value is the global p value for the bivariate variable</p><p>M_OR_CI is the multivariate odds ratio</p><p>M_p_value is the category multivariate p value</p><p>Ref- reference</p><p>+—and above</p><p>N, n = number of persons</p><p>Prevalence and factors associated with RVF virus among persons aged 15–64 years, Kenya, 2007.</p