Table 2

Weighted GEE variables.

Children

Adolescents

Adults

Age

X

X

X

Childcare

X

Class size

X

Day of week*

X

X

X

Education

X

First or second day

X

X

X

Gender

X

X

X

Holiday

X

X

X

Household size

X

X

X

Participant occupation

X

Region

X

X

X

Weekend*

X

X

X

Variables used as initial variables in the weighted GEE analysis for each of the diary types (X indicates the inclusion of the variable). '*' indicates that the final model retained at maximum one of the two variables.

Hens et al. BMC Infectious Diseases 2009 9:5   doi:10.1186/1471-2334-9-5