Table 3.
Relationships observed between housing conditions and the prevalence of mites in dust samples from dwellings of the examined patients in Bytom (south Poland). Results of the Spearman’s rank correlation test analysis (*p < 0.05). Part I.
| Number of mites (per 1 g of dust) | Dwelling conditions examined: R Spearman | ||||||
|---|---|---|---|---|---|---|---|
| Type of building | Type of heating | Age of building | Pets | Family size | Flat size | House wife | |
| Dermatophagoides pteronyssinus | 0.40* | 0.31* | 0.42* | 0.23 | − 0.30* | − 0.29* | − 0.18 |
| Dermatophagoides farinae | − 0.38* | − 0.13 | − 0.38* | 0.01 | 0.16 | − 0.15 | − 0.12 |
| Pyroglyphidae (total) | − 0.04 | 0.10 | 0.01 | 0.07 | − 0.75 | − 0.37* | − 0.23 |
| Domestic mites (total) | − 0.05 | 0.10 | − 0.004 | 0.28* | − 0.10 | − 0.36* | − 0.25 |
| Total of mites | − 0.05 | 0.10 | − 0.004 | 0.28* | − 0.10 | − 0.36* | − 0.25 |
| Live Pyroglyphidae (total) | 0.14 | − 0.04 | 0.21 | 0.18 | − 0.23 | − 0.06 | 0.01 |
| Live domestic mites (total) | 0.14 | 0.25 | 0.18 | 0.18 | − 0.24 | − 0.26* | − 0.21 |
| Live mites (total) | 0.14 | 0.25 | 0.18 | 0.18 | − 0.24 | − 0.26* | − 0.21 |
| Live D. pteronyssinus | 0.25 | 0.03 | 0.35* | 0.26* | − 0.39* | − 0.13 | − 0.13 |
| Live D. farinae | − 0.11 | − 0.09 | − 0.13 | − 0.26* | 0.17 | 0.09 | 0.21 |
Type of building: block of houses [1], tenement-house [2], brick house (old) [3]; Type of heating: central [1], electric/gas/oil [2] or coal-stove [3]; Age of building: in years; Pets: no pets [0], fish/reptilians [1], birds [2], mammals (cats, dogs, hamsters, rabbits) [3]; Family size: number of inhabitants; Flat size: area occupied by each flat (surface in square meters); House wife: not employed [1], employed [2].