Table 2:

Correlation between V. victoriae in bedroom floor dust and neighborhood characteristics and allergens. Data in bold indicate statistically significant associations.

Characteristic	Correlation coefficient*	P value
Neighborhood asthma prevalence†	−0.11	0.096
Year home built	−0.002	0.98
Median neighborhood household income (500 meters) in $10K‡	0.089	0.17
Family household income in $10K	0.080	0.23
Number people living in home	0.13	0.052
Der f 1(ug/g)∥	0.074	0.26
Bla g 2 (ug/g)∥	−0.072	0.27
Mus m 1 (ug/g)∥	−0.038	0.57
Fel d 1 (ug/g)∥	0.053	0.42
Can f 1 (ug/g)∥	0.14	0.027
Airborne PM2.5§	0.017	0.80
Airborne black carbon§	−0.057	0.39
Mean specific humidity**	0.20	0.004

^*Spearman rank correlation coefficient.

^†School based prevalence of asthma among 5-year-old children for the child’s United Hospital Fund Neighborhood (several zip codes).

^‡GIS census-based variable of the median income of the household in the surrounding radian 500 meters.

^∥Allergens measured in bed dust.

^§Airborne fine particulate matter (PM_2.5) and black carbon fraction of PM_2.5 were measured in the air of the home during the week following dust collection.

^**Specific humidity in home measured during the week following dust collection.