Table 2.
Annual influenza vaccination coverage by age group and year
| Study ID | Year influenza vaccine given | Estimated coverage (%) | Number vaccinated/Total population |
|---|---|---|---|
| Age ≥65 years | |||
| MacIntyre 1993 [25] | 1992 | 44.4 | 43/97 |
| Gill 2007 [30] | 1993 | 55.6 | 265/477 |
| Gill 2007 [30] | 1994 | 55.5 | 282/508 |
| Gill 2007 [30] | 1995 | 62.3 | 320/514 |
| Gill 2007 [30] | 1996 | 67.1 | 349/520 |
| Gill 2007 [30] | 1997 | 67.7 | 773/1141 |
| NSW Ministry of Health 1997 [11] | 1997 | 56.0 | 1840/3283 |
| Gill 2007 [30] | 1998 | 71.3 | 829/1163 |
| Taylor, 2001 [3] | 1998 | 60.7 | 4389/7228 |
| NSW Ministry of Health 1998 [11] | 1998 | 63.8 | 2169/3401 |
| Gill 2007 [30] | 1999 | 77.1 | 897/1163 |
| Taylor, 2001 [3] | 1999 | 69.8 | 5047/7228 |
| Andrews, 2005_V [26] | 1999 | 72.3 | N/A |
| Gill 2007 [30] | 2000 | 80.3 | 846/1054 |
| Taylor, 2001 [3] | 2000 | 74.1 | 5357/7228 |
| Andrews, 2005 [10] | 2000 | 78.4 | N/A |
| Gill 2007 [30] | 2001 | 79.8 | 451/565 |
| Horby 2005 [19] | 2001 | 78 | N/A |
| Andrews, 2005 [10] | 2000 | 67.4 | 1978a/2934 |
| Andrews, 2005 [10] | 2001 | 74.5 | 2186a/2934 |
| NSW Ministry of Health 2002 [11] | 2002 | 75.6 | 2549/3419 |
| AIHW 2003 [12] | 2002 | 76.9 | NA |
| Gill 2007 [30] | 2002 | 80.1 | 306/382 |
| NSW Ministry of Health 2003 [11] | 2003 | 75.5 | 2692/3577 |
| Gill 2007 [30] | 2003 | 81.2 | 310/382 |
| Gill 2007 [30] | 2004 | 82.4 | 477/579 |
| AIHW 2005 [13] | 2004 | 79.1 | 4067a/5141 |
| NSW Ministry of Health 2004 [11] | 2004 | 75.4 | 2022/2706 |
| NSW Ministry of Health 2005 [11] | 2005 | 74.7 | 2508/3390 |
| NSW Ministry of Health 2006 [11] | 2006 | 75.1 | 1744/2388 |
| AIHW 2008 [14] | 2006 | 77.5 | 4356a/5621 |
| NSW Ministry of Health 2007 [11] | 2007 | 72.3 | 1698/2347 |
| NSW Ministry of Health 2008 [11] | 2008 | 71.4 | 1935/2742 |
| NSW Ministry of Health 2009 [11] | 2009 | 72.3 | 2537/3561 |
| AIHW, 2011 [15] | 2009 | 74.6 | 3959a/5307 |
| NSW Ministry of Health 2010 [11] | 2010 | 72.6 | 2559/3601 |
| NSW Ministry of Health 2011 [11] | 2011 | 72.4 | 3470/4749 |
| Loke, 2012 [22] | 2011 | 63.9 | 23/36 |
| NSW Ministry of Health 2012 [11] | 2012 | 68.4 | 2799/4030 |
| Cheng 2013 [17] | 2012 | 77.6 | 420/541 |
| Cheng 2014 [18] | 2013 | 80.5 | 178/221 |
| Age <65 years | |||
| Horby, 2005 [19] | 2001 | 24.0 | N/A |
| AIHW 2003 [12] | 2002 | 18.6 | N/A |
| AIHW 2005 [13] | 2004 | 18.8 | N/A |
| AIHW 2008 [14] | 2006 | 20.2 | 485a/2401 |
| Ridda, 2007 [17] | 2006 | 63.6 | 124/195a |
| AIHW, 2011 [15] | 2009 | 22.8 | 3200/14035a |
| AIHW, 2011 [15] | 2009 | 36.2 | NA |
| Loke, 2012 [29] | 2011 | 21.4 | 3/14 |
| Cheng 2013 [17] | 2012 | 40.0 | 270/675 |
| Cheng 2014 [18] | 2013 | 49.2 | 92/187 |
| Age ≥65 years with risk factors | |||
| Dower, 2011 [27] | 2008 | 81.7 | 594/727a |
| Cheng 2013 [17] | 2012 | 78.5 | 397/506 |
| Cheng 2014 [18] | 2013 | 80.4 | 172/214 |
| Age <65 years with risk factors | |||
| Taylor 2001 [3] | 2000 | 32.2 | 367/NA |
| Horby 2005 [19] | 2001 | 34.0 | N/A |
| AIHW 2003 [12] | 2002 | 41.7 | N/A |
| AIHW 2005 [13] | 2004 | 41.6 | N/A |
| AIHW 2008 [14] | 2006 | 29.8 | N/A |
| Dower, 2011 [27] | 2008 | 46.5 | 345/742a |
| AIHW, 2011 [15] | 2009 | 36.2 | N/A |
| Cheng 2013 [17] | 2012 | 44.7 | 238/532 |
| Cheng 2014 [18] | 2013 | 49.2 | 92/187 |
N/A not available; data not available from estimates provided or contacting authors
araw numbers calculated by authors as not provided in study