Table 2. 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.
| Patients | Case household persons | Comparison household persons | P valuesa | |
| n = 66 | n = 352 | n = 1289 | ||
| Sex | ||||
| Female | 35 (53.0%) | 176 (50.0%) | 674 (52.3%) | .78 |
| Age (yrs) | ||||
| Mean (Std)b | 11.7 (9.9) | 20.2 (16.4) | 22.1 (19.2) | .19 |
| Median | 9.7 | 15.5 | 16.6 | |
| Minc, maxd | 0.2, 55.9 | 0.1, 87.5 | 0, 90.4 | |
| Case household | Comparison household | |||
| n = 66 | n = 264 | |||
| Family sizee | ||||
| Mean (Std)b | 5.3(2.9) | 4.9 (2.3) | .06 | |
| Median | 4.5 | 5.0 | ||
| Minc, maxd | 1, 17 | 1, 12 | ||
a
We calculated the P-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.
b
Std = standard deviation.
c
Min = minimum.
d
Max = Maximum.
e
Analyses of case households family size does not include the index cases.