Volume 19, Number 10—October 2013
Dispatch
Declining Influenza Vaccination Coverage among Nurses, Hong Kong, 2006–2012
Shui Shan Lee
, Ngai Sze Wong, and Sing Lee
, Ngai Sze Wong, and Sing Lee
Table 2
Influenza vaccination rates and characteristics of nurses, Hong Kong
| 2005 | 2006 | 2007* | 2008 | 2009† | 2010 | 2011 | 2012* | |
|---|---|---|---|---|---|---|---|---|
| Total sample size | 903 | 739 | 739 | 779 | 477 | 477 | 651 | 639 |
| Winter influenza season | Mar–Jul‡ | Feb–Apr | Feb–May | Feb–Mar | Jan–Mar | Mar–-May | Jan–Mar | Jan-Mar |
| Predominant influenza virus strain | A(H3N2) | A(H1N1) | A(H3N2) | A(H1N1) | A(H1N1) | B | A(H1N1)2009 | B |
| Overall vaccination rate, % (95% CI) | 56.8 (53.6–60.0) | 46.0 (42.4–49.6) | 41 (37.6–44.7) | 39.8 (36.3–43.2) | 39.8 (35.4–44.2) | 26.6 (22.6–30.6) | 24.7 (21.4–28.1) | 24.4 (21.1–27.8) |
| Vaccination rate by subgroup | ||||||||
| Sex, no. (%) | ||||||||
| M | 106 (58) | 104 (44) | 104 (42) | 111 (44) | 84 (39) | 84 (33) | 98 (31) | 95 (29) |
| F | 797 (57) | 635 (46) | 635 (41) | 668 (39) | 393 (40) | 393 (25) | 553 (24) | 544 (24) |
| Age, y, no. ( %) | ||||||||
| ≤35 | 225 (52) | 104 (38) | 104 (30) | 85 (44) | 22 (36) | 22 (23) | 88 (15) | 86 (16) |
| 36–45 | 422 (59) | 363 (45) | 363 (40) | 318 (36) | 138 (32) | 138 (28) | 159 (25) | 155 (26) |
| >45 | 256 (57) | 272 (50) | 272 (47) | 376 (42) | 317 (44) | 317 (26) | 404 (27) | 398 (25) |
| Professional rank, no. (%) | ||||||||
| Registered nurse§ | 670 (57) | 558 (46) | 558 (41) | 636 (40) | 397 (40) | 397 (27) | 537 (24) | 527 (24) |
| Enrolled nurse# | 203 (55) | 163 (44) | 163 (39) | 124 (41) | 77 (38) | 77 (22) | 96 (27) | 94 (24) |
| Working experience, no. (%) | ||||||||
| <10 y | 146 (51) | 57 (42) | 57 (35) | 71 (44) | 21 (33) | 21 (19) | 80 (14) | 78 (10) |
| 11–20 y | 373 (58) | 275 (40) | 27 (35) | 240 (37) | 103 (30) | 103 (22) | 151 (22) | 147 (23) |
| >20 y | 356 (59) | 385 (51) | 385 (46) | 452 (41) | 353 (43) | 353 (28) | 416 (28) | 410 (28) |
| Patient contact, no. (%) | ||||||||
| Always | 679 (54) | 546 (42) | 546 (37) | 521 (39) | 311 (37) | 311 (26) | 447 (23) | 442 (23) |
| Sometimes | 79 (59) | 62 (60) | 62 (50) | 76 (37) | 41 (44) | 41 (34) | 64 (33) | 62 (27) |
| Seldom | 79 (68) | 71 (55) | 71 (55) | 83 (49) | 50 (44) | 50 (24) | 51 (39) | 47 (45) |
| Never | 59 (66) | 57 (53) | 57 (49) | 93 (40) | 7 (46) | 72 (26) | 87 (17) | 86 (17) |
*Planned vaccination as indicated by nurses in the preceding year.
†Vaccination history based on nurses’ recall the following year.
‡Winter and summer seasons merged, giving an extended period of influenza activities.
§Completed 3 yr of training in a recognized school and holds a degree/diploma in nursing or equivalent.
#Completed 2 yr of training in a recognized training school under a hospital-based program.
Page created: September 16, 2013
Page updated: September 16, 2013
Page reviewed: September 16, 2013
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