Risk factors and comorbidities for invasive pneumococcal disease in Western Australian Aboriginal and non-Aboriginal people

Table 5 Vaccination status of Western Australian Aboriginal and non-Aboriginal children and adults with invasive pneumococcal disease who were eligible for pneumococcal vaccination, 2001–2007

Group	Year group	Status unknown		Status known
				Vaccinated		Not vaccinated
		n	(% of total group)	n	(%)^a	n	(%)^a
Children (<5 years)
Non-Aboriginal with risk factors	2001–2004	8	(25.0)	0	(0)	24	(100.0)
Non-Aboriginal^b	2005–2007	3	(5.6)	30	(58.8)	21	(41.2)
Aboriginal	2001–2007	1	(2.3)	17	(40.5)	25	(59.5)
Adults (≥15 years)
Non-Aboriginal (≥65 years)^b	2005–2007	216	(85.7)	8	(22.9)	27	(77.1)
Non-Aboriginal with risk factors (15–64 years)	2001–2007	196	(79.7)	3	(6.0)	47	(94.0)
Aboriginal (≥50 years)	2001–2007	16	(42.1)	9	(40.9)	13	(59.1)
Aboriginal with risk factors (15–49 years)	2001–2007	62	(49.2)	16	(25.0)	48	(75.0)

Note: Risk factors for children include immunodeficiency, chemotherapy or steroid use, renal failure, Down syndrome and preterm birth. Risk factors for adults include asplenia, immunodeficiency, chronic cardiac, renal or respiratory diseases and smoking [6].
^aProportions calculated from those with known vaccination status
^bFunded immunisation programs with 7vPCV (for non-Aboriginal children) and 23vPPV (for non-Aboriginal adults aged 65 years or more) began in 2005 [7].

ISSN: 2200-6133