Modeling acute respiratory illness during the 2007 San Diego wildland fires using a coupled emissions-transport system and generalized additive modeling

Table 2 (a) Descriptive statistics for constant values and (b) continuous data inputs used in the SR model

Observational Data/Model Term	San Diego County	SR 1	SR 2	SR 3	SR 4	SR 5	SR 6
a. Constant Values for subregional area model
Proportion Age <24	NA	0.37	0.32	0.40	0.41	0.36	0.36
Proportion Income > $50 k	NA	0.53	0.54	0.30	0.41	0.46	0.55
b. Descriptive statistics (N = 121 days) for continuous data inputs
Unique ED Visits
Mean	247.4	36.3	33.0	50.6	50.1	41.2	36.2
SD	40.8	7.3	7.0	9.9	10.2	8.9	10.9
Median	244	35	33	51	50	40	35
Range	173–423	23–61	19–60	31–78	25–79	17–61	20–99
Particulates of Wildfire Origin (μg/m ³ )
Mean	11.73	15.56	12.99	8.16	15.19	7.28	14.67
SD	53.36	70.66	60.35	32.59	75.37	29.57	68.47
Median	0.14	0.11	0.11	0.09	0.10	0.08	0.10
Range	0–403.47	0–489.95	0–430.20	0–216.76	0–587.08	0–194.65	0–511.59
Anthropogenic PM2.5 (μg/m ³ )
Mean	0.84	0.66	0.86	1.13	0.94	0.81	0.69
SD	0.44	0.36	0.47	0.58	0.55	0.44	0.36
Median	0.74	0.56	0.73	1.03	0.84	0.69	0.60
Range	0.17–2.42	0.17–2.01	0.22–2.62	0.23–3.26	0.14–2.98	0.09–2.37	0.09–2.06
Mean Daily Relative Humidity (%)
Mean	39.66	35.38	42.27	43.68	42.37	39.49	35.44
SD	14.87	14.05	15.92	15.85	15.13	14.75	15.13
Median	42.77	35.14	45.39	47.46	46.77	42.86	36.85
Range	6.07–78.65	6.06–77.95	5.85–80.07	6.01–78.57	5.89–74.46	6.11–76.56	6.47–83.68
Minimum Daily Temperature (F)
Mean	54.34	50.99	52.56	56.75	56.85	55.70	54.18
SD	7.75	8.78	6.90	7.38	7.48	7.60	8.88
Median	54.14	51.21	51.89	56.53	56.77	55.26	54.20
Range	36.48–71.73	25.48–69.58	36.36–68.52	38.42–73.42	34.61–73.27	39.70–72.99	31.60–73.60

ISSN: 1476-069X