Characteristics of the study population*
| Characteristic | Total sample | Province or influenza season with pharmacist policy | Province or influenza season without pharmacist policy | |||
|---|---|---|---|---|---|---|
| No. (%) | Influenza vaccination, % | No. (%) | Influenza vaccination, % | No. (%) | Influenza vaccination, % | |
| Weighted sample | 481 526 (100) | 28.8 | 134 | 250 (27.9) 30.4 | 347 276 (72.1) | 28.2 |
| Age group, yr | ||||||
| 12–19 | 52 287 (10.9) | 20.3 | 14 078 (10.5) | 22.6 | 38 209 (11.0) | 19.4 |
| 20–49 | 237 901 (49.4) | 18.5 | 66 510 (49.5) | 19.9 | 171 391 (49.4) | 18.0 |
| 50–64 | 116 846 (24.3) | 32.4 | 32 933 (24.5) | 34.4 | 83 913 (24.2) | 31.7 |
| ≥ 65 | 74 492 (15.5) | 61.8 | 20 729 (15.4) | 62.9 | 53 763 (15.5) | 61.3 |
| Sex | ||||||
| Male | 235 935 (49.0) | 25.7 | 66 019 (49.2) | 27.1 | 169 916 (48.9) | 25.1 |
| Female | 245 591 (51.0) | 31.7 | 68 231 (50.8) | 33.5 | 177 360 (51.1) | 31.1 |
| Province/territory | ||||||
| Newfoundland and Labrador | 7366 (1.5) | 24.3 | NA | NA | 7366 (2.1) | 24.3 |
| Prince Edward Island | 2039 (0.4) | 29.7 | NA | NA | 2039 (0.6) | 29.7 |
| Nova Scotia | 13 411 (2.8) | 42.1 | 1777 (1.3) | 44.7 | 11 634 (3.4) | 41.7 |
| New Brunswick | 10 596 (2.2) | 32.7 | 5515 (4.1) | 35.6 | 5081 (1.5) | 29.6 |
| Quebec | 112 554 (23.4) | 22.5 | NA | NA | 112 554 (32.4) | 22.5 |
| Ontario | 188 273 (39.1) | 31.6 | 50 328 (37.5) | 31.3 | 137 945 (39.7) | 31.6 |
| Manitoba | 16 309 (3.4) | 27.3 | NA | NA | 16 309 (4.7) | 27.3 |
| Saskatchewan | 13 793 (2.9) | 28.3 | NA | NA | 13 793 (4.0) | 28.3 |
| Alberta | 51 815 (10.8) | 28.1 | 34 505 (25.7) | 28.5 | 17 310 (5.0) | 27.4 |
| British Columbia | 64 006 (13.3) | 29.6 | 42 125 (31.4) | 29.5 | 21 881 (6.3) | 29.8 |
| Nunavut | 307 (0.1) | 34.9 | NA | NA | 307 (0.1) | 34.9 |
| Northwest Territories | 574 (0.1) | 33.5 | NA | NA | 574 (0.2) | 33.5 |
| Yukon | 483 (0.1) | 30.7 | NA | NA | 483 (0.1) | 30.7 |
| Chronic condition | ||||||
| Asthma | 39 498 (8.2) | 36.2 | 10 624 (7.9) | 36.8 | 28 874 (8.3) | 35.9 |
| COPD | 10 504 (2.2) | 55.2 | 3395 (2.5) | 54.9 | 7109 (2.0) | 55.4 |
| Heart disease | 22 336 (4.6) | 58.2 | 5519 (4.1) | 61.6 | 16 817 (4.8) | 57.1 |
| Stroke | 4596 (1.0) | 53.3 | 1260 (0.9) | 54.4 | 3336 (1.0) | 52.9 |
| Diabetes | 29 421 (6.1) | 55.4 | 7934 (5.9) | 57.6 | 21 487 (6.2) | 54.6 |
| Cancer | 9109 (1.9) | 54.3 | 2421 (1.8) | 54.1 | 6688 (1.9) | 54.4 |
| Has regular doctor | ||||||
| Yes | 407 405 (84.6) | 31.7 | 116 191 (86.5) | 33.0 | 291 214 (83.9) | 31.2 |
| No | 73 611 (15.3) | 12.6 | 17 907 (13.3) | 13.6 | 55 704 (16.0) | 12.3 |
| Influenza season | ||||||
| 2006/07 | 44 966 (9.3) | 31.8 | NA | NA | 44 966 (12.9) | 31.8 |
| 2007/08 | 60 294 (12.5) | 29.6 | NA | NA | 60 294 (17.4) | 29.6 |
| 2008/09 | 60 788 (12.6) | 29.9 | NA | NA | 60 788 (17.5) | 29.9 |
| 2009/10 | 61 070 (12.7) | 25.6 | 14 742 (11.0) | 28.9 | 46 328 (13.3) | 24.5 |
| 2010/11 | 62 221 (12.9) | 28.3 | 16 254 (12.1) | 29.4 | 45 967 (13.2) | 27.9 |
| 2011/12 | 62 857 (13.1) | 27.7 | 16 698 (12.4) | 29.1 | 46 159 (13.3) | 27.2 |
| 2012/13 | 64 668 (13.4) | 27.6 | 42 223 (31.5) | 29.1 | 22 445 (6.5) | 24.7 |
| 2013/14 | 64 662 (13.4) | 30.6 | 44 333 (33.0) | 32.9 | 20 329 (5.9) | 25.5 |
| Universal funding for influenza vaccines | ||||||
| Yes | 249 139 (51.7) | 31.2 | 86 609 (64.5) | 30.5 | 162 530 (46.8) | 31.7 |
| No | 232 387 (48.3) | 26.1 | 47 641 (35.5) | 30.2 | 184 746 (53.2) | 25.1 |
Note: COPD = chronic obstructive pulmonary disease, NA = pharmacist policy did not exist in province or influenza season studied.
↵* Additional characteristics of the study population are available in Appendix 1 (available at www.cmaj.ca/lookup/suppl/doi:10.1503/cmaj.151027/-/DC1).