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. 2017 Feb 16;12(2):e0172117. doi: 10.1371/journal.pone.0172117

Table 1. Characteristics of Canadian Community Health Survey pooled CCHS cycles 3.1(2005), 2007/08, 2009/10, 2011/12, examining the association between self-reported health and the reasons for non-vaccination against seasonal influenza among Canadian adults with asthma.

Overall Study Sample Study Sample by No Flu Shot Reason: “Unnecessary”
%* Yes %* No
n = 9,836 %* n = 8,135 (84.4%) n = 1,701 (15.6%)
Self-rated Health
 Poor 469 3.6 71.2 28.8
 Fair 1,187 10.5 78.8 21.2
 Good 3,256 33.2 82.2 17.8
 Very Good 3,510 36.3 87.7 12.3
 Excellent 1,414 16.5 87.9 12.1
Sex
 Female 5,869 57.1 81.3 18.7
 Male 3,967 42.9 88.6 11.4
Age
 18–24 years 1848 21.5 85.1 14.9
 25–34 years 2546 26.2 85.5 14.5
 35–44 years 2109 21.1 84.4 15.6
 45–54 years 1851 20.1 85.7 14.3
 55–64 years 1482 11.1 78.1 21.9
Province/Territory
 Newfoundland/Labrador 350 1.7 81.0 19.0
 Prince Edward Island 166 0.5 84.7 15.3
 Nova Scotia 288 2.1 79.4 20.6
 New Brunswick 420 2.3 83.3 16.7
 Quebec 2525 31.4 86.0 14.0
 Ontario 2714 32.1 82.2 17.8
 Manitoba 582 4.0 86.0 14.0
 Saskatchewan 597 3.0 86.8 13.2
 Alberta 908 10.5 89.1 10.9
 British Columbia 1091 12.2 82.6 17.4
 Yukon/Northwest/Nunavut 195 0.2 80.7 19.3
Education (individual)
 Less than secondary 1,649 13.5 82.7 17.3
 Secondary 1,737 16.9 84.8 15.2
 Post-secondary 6,450 69.6 84.6 15.4

*Percentages are weighted to the Canadian population to account for CCHS multistage stratified sampling strategy