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. 2014 Jul 14;4:5678. doi: 10.1038/srep05678

Table 6. A brief outline of the travel questions asked in the travel survey.

Travel Question
Have you made any overnight trips to another district in the last 3 months?
How many overnight trips have you made in the last 3 months?
Where did you spend the majority of time during this trip?
When did you get back?
What was your reason for traveling?