Table 4.
Analysis of the correlations between bacterial measures (geometric mean concentrations) in dust and air as determined by QPCR for samples from all homes. Significant correlation values are bolded.
| A. Gram-negative bacteria | |||
|---|---|---|---|
| Bacterial measures in dust and air | Gram-negative dust concentration (number of cell equivalents /mg dust) | Gram-negative dust loading (number of cell equivalents /m2 floor) | |
| Gram-negative dust loading (number of cell equivalents /m2 floor) |
Spearman’s rho p value (n) |
.703 <.001 (42) |
Not applicable |
| Gram-negative in air (number of cell equivalents /m3 air) |
Spearman’s rho p value (n) |
.0001 .998 (38) |
.096 .568 (38) |
| B. Gram-positive bacteria | |||
|---|---|---|---|
| Bacterial measures in dust and air | Gram-positive dust concentration (number of cell equivalents /mg dust) | Gram-positive dust loading (number of cell equivalents /m2 floor) | |
| Gram-positive dust loading (number of cell equivalents /m2 floor) |
Spearman’s rho p value (n) |
.581 <.001 (42) |
Not applicable |
| Gram-positive in air (number of cell equivalents /m3 air) |
Spearman’s rho p value (n) |
.198 .234 (38) |
.231 .163 (38) |