4. Results
Of 124 eligible airports, 40 declined to participate, and 26
airports had either invalid or missing email addresses. Of the 58
airports with whom we made direct contact, 65.5% accessed the
online survey and submitted eligible data. There were 19 participating
airports from British Columbia, 10 from Alberta and 10 from
Saskatchewan. The RR4 response rate according to American
Association for Public Opinion Research (2008) was 30.6%. Some