Linking Endotoxins, African Dust PM10 and Asthma in an Urban and Rural Environment of Puerto Rico
Table 1
Correlation between pediatric asthma cases, average PM10 concentration, and dust event days in Fajardo and San Juan, Puerto Rico, during 2004 and 2005.
Factors
Unadjusted correlation
-value
Total asthma cases and average PM10 concentration
Fajardo
0.715
0.009
San Juan
0.139
0.666
Asthma cases (0–5 years) and average PM10 concentration
Fajardo
0.660
0.019
San Juan
0.178
0.577
Asthma cases (6–12 years) and average PM10 concentration
Fajardo
0.643
0.024
San Juan
0.081
0.803
Asthma cases (13–18 years) and average PM10 concentration
Fajardo
0.591
0.043
San Juan
0.096
0.766
Total asthma cases and PM10 increment
Fajardo
0.687
0.013
San Juan
0.388
0.211
Asthma cases (0–5 years) and PM10 increment
Fajardo
0.696
0.011
San Juan
0.417
0.177
Asthma cases (6–12 years) and PM10 increment
Fajardo
0.500
0.097
San Juan
0.335
0.286
Asthma cases (13–18 years) and PM10 increment
Fajardo
0.556
0.060
San Juan
0.037
0.910
Asthma cases during non-ADE days
Fajardo
0.240
0.259
San Juan
0.181
0.409
2004
0.010
0.970
2005
0.036
0.872
Asthma cases during ADE days
Fajardo
0.548
0.042
San Juan
0.470
0.089
2004
0.326
0.254
2005
0.369
0.193
Correlation coefficients () and corresponding values are presented. The closer the is to 1, the stronger is the correlation. Significant values and corresponding are highlighted in bold.
