Time series analysis of fine particulate matter and asthma reliever dispensations in populations affected by forest fires

Elliott, Catherine T; Henderson, Sarah B; Wan, Victoria

doi:10.1186/1476-069X-12-11

Environmental Health

Table 1 Summary information for local health areas (LHAs) included in the analyses, listed in order of 2006 population

From: Time series analysis of fine particulate matter and asthma reliever dispensations in populations affected by forest fires

LHA name	2006^a population	Daily average salbutamol dispensations (fire season)	Area (km²)	Fire season PM_2.5	Fire season PM₁₀	PM_2.5/PM₁₀ coefficient	Fire season Mean PM_2.5 (μg/m³)	Fire season Max PM_2.5 (μg/m³)	Fire- affected?
Golden	7,024	4.5	13,350	2003-2010	2003-2010	0.51	5.7	74.0	Y
Revelstoke	7,897	4.3	9,307	2007-2010	2003-2007	0.49^b	7.1	81.7	Y
Hope	8,062	4.9	5,280	2004-2010	2003-2010	0.48	5.0	33.4	Y
Kitimat	10,443	5.1	19,639	2003-2010	2003-2010	0.44	2.8	24.8
Creston	11,917	6.8	3,789	2010	2003-2009	0.49 ^b	7.3	48.9	Y
Smithers	16,073	7.1	9,827	2005-2010	2003-2010	0.27	4.2	66.8	Y
Quesnel	22,930	11.7	23,732	2003-2010	2003-2010	0.69	7.4	139.4	Y
Cariboo-Chilcotin	26,150	12.9	44,695	2003-2010	2003-2010	0.59	6.1	248.1	Y
Alberni	31,077	14.0	6,809	-	2003-2010	0.49 ^b	4.8	15.2
Peace River North	32,642	14.4	68,765	-	2003-2010	0.49 ^b	11.8	49.3
Howe Sound	32,327	12.6	9,236	-	2003-2010	0.49 ^b	8.3	33.7
Campbell River	40,173	18.0	13,624	2006-2010	2003-2009	0.50	3.9	41.7
Cowichan	54,855	22.9	735	2010	2003-2009	0.49 ^b	4.8	37.9
Vernon	62,227	29.9	5,555	2003-2010	2003-2008	0.38	5.4	130.8	Y
Chilliwack	79,302	36.2	1,314	2003-2010	2003-2010	0.40	5.3	35.7	Y
Maple Ridge	88,020	32.3	1,450	2003-2010	2003-2010	0.45	5.5	36.5
Prince George	94,852	44.3	76,215	2003-2010	2003-2010	0.53	7.4	176.4	Y
Nanaimo	98,561	46.5	1,289	2003-2010	-	-	3.7	48.7
Kamloops	105,491	44.8	16,319	2003-2010	2003-2008	0.49	5.5	140.1	Y
Langley	122,219	46.7	323	2003-2010	2003-2010	0.51	5.5	34.0
Vancouver Westside	129,011	24.6	48	2004-2010	2003-2008	0.52	5.5	32.1
Abbotsford	130,008	51.1	413	2010	2003-2010	0.49 ^b	6.9	23.9
North Vancouver	134,453	33.3	398	-	2003-2010	0.49 ^b	6.4	27.2
Central Okanagan	167,323	59.1	2,942	2003-2010	2003-2008	0.56	5.5	185.6	Y
Richmond	182,652	37.5	124	2003-2010	2003-2010	0.51	5.0	40.3
Coquitlam	205,495	52.6	733	2004-2010	2003-2008	0.50	6.2	42.0
Burnaby	210,507	56.4	90	2003-2010	2003-2010	0.45	5.2	42.7
Greater Victoria	217,374	65.4	113	2003-2010	-	-	5.0	17.3
Surrey	352,783	103.4	333	-	2003-2010	0.49 ^b	7.1	19.1

The forest fire season is defined as April 1 – September 30 each year.
^a 2006 was a national census year, and was also the midpoint of the study period.
^b Average from all other stations used.

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ISSN: 1476-069X

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