Predicting patient use of general practice services in Australia: models developed using national cross-sectional survey data

Table 3 Model 4A: Patient characteristics and individual morbidities included

Parameter	Estimate (Visits)	t-Value	p-Value
Intercept	2.735	40.14	<0.0001
Female (over male)	0.495	11.04	<0.0001
Age (years)	−0.030	−7.52	<0.0001
Age² (years)	0.0005	8.59	<0.0001
Commonwealth Concession Health Care Card	1.031	14.06	<0.0001
Number of body systems	0.355	4.75	<0.0001
Number of chronic conditions	0.980	14.75	<0.0001
Atrial fibrillation	0.014	4.79	<0.0001
Peripheral vascular disease	0.009	2.65	0.0082
Hyperlipidaemia	−0.012	−9.59	<0.0001
Hypertension	−0.005	−5.56	<0.0001
Glaucoma	−0.008	−3.07	0.0022
Obesity	−0.006	−4.04	<0.0001
Asthma	−0.003	−2.85	0.0044

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