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Table 5 Stepwise Logistic Regression Model for GP Access (no regular care)

From: Air pollution and general practitioner access and utilization: a population based study in Sarnia, 'Chemical Valley,' Ontario

 

A priori

SES

Health & Behaviour (CI)

Sex (female)

1.993*

1.865*

1.596

(0.869-2.932)

Age (18-24)

**

*

*

 

   25-44

.904

1.199

1.388

(0.532-3.681)

   45-64

.387*

.540

.648

(0.233-1.802)

   65+

.280*

.313*

.367

(0.113-1.194)

Low Income

4.043***

2.878**

3.001**

(1.411-6.384)

Unmet Needs

3.580***

3.904***

4.313***

(2.116-8.790)

Self-Rated Health

2.722*

3.426*

3.308*

(1.270-8.616)

Education

 

2.619*

2.575*

(1.097-6.048)

Housing Tenure

 

2.563**

2.458**

(1.275-4.739)

Control Symptoms

  

1.891*

(1.004-3.561)

Medical Check-ups

  

1.719

(0.929-3.182)

Care Availability

  

2.268**

(1.240-4.149)

Diagnostics

   

Model Likelihood Ratio

χ2 = 46.38, df = 7, p < 0.001

χ2 = 61.19, df = 9, p < 0.001

χ2 = 75.09,

df = 12, p < 0.001

McFadden R 2

0.12

0.16

0.19

Hosmer-Lemeshow Test

χ2= 6.25, df = 7, p = 0.51

χ2= 9.07, df = 8, p = 0.34

χ2= 6.62,

df = 8, p = 0.58

  1. Significance level: * < 0.05, ** < 0.01 *** < 0.001.