Table 4.
Logistic Regression Models of GP Use with NO2, SO2, BTEX and Odour Annoyance
| No Pollution | NO2 | SO2 | BTEX | Odour Annoyance | |
|---|---|---|---|---|---|
| 1.155* | 1.611* | 1.407 | 1.060* | ||
| Age (18-24) | |||||
| 25-44 | 3.765* | 3.625* | 2.821* | 2.969* | 3.707* |
| 45-64 | 3.234* | 3.195* | 2.459* | 2.622 | 3.115* |
| 65+ | 4.242* | 4.206* | 3.218* | 3.485* | 4.390* |
| Chronic Conditions | 1.139* | 1.128* | 1.134* | 1.134* | 1.133* |
| GP access | 4.318** | 4.516** | 3.371* | 3.432* | 3.150* |
| Housing Tenure | 1.932* | 1.703** | 1.778** | 1.858*** | 1.879*** |
| Smoking | 1.613* | 1.564* | 1.471 | 1.529* | 1.581* |
| Medical Check-up | 1.679* | 1.661* | 1.603* | 1.640* | 1.633* |
| Community Satisfaction | 1.536* | 1.535* | 1.604* | 1.599* | 1.639* |
| Stress Symptoms | 8.523*** | 8.826*** | 9.126*** | 8.946*** | 7.402*** |
| Diagnostics | |||||
| Model Likelihood Ratio | χ2 = 74.81, df = 10, p < 0.001 | χ2 = 80.42, df = 11, p < 0.001 | χ2 = 76.11, df = 11, p < 0.001 | χ2 = 73.63, df = 11 p < 0.001 | χ2 = 78.21, df = 11 p < 0.001 |
| McFadden R2 | 0.09 | 0.10 | 0.10 | 0.09 | 0.10 |
| Hosmer-Lemeshow Test | χ2= 11.79, df = 8, p = 0.16 | χ2= 12.58, df = 8, p = 0.12 | χ2= 9.76, df = 8, p = 0.28 | χ2= 9.88, df = 8, p = 0.27 | χ2= 14.85, df = 8, p = 0.06 |
| Correctly Classified (%) | 76.7 | 77.5 | 77.5 | 77.0 | 76.8 |
Significance level: * < 0.05, ** < 0.01 *** < 0.001.