Using GPS technology to (re)-examine operational definitions of ‘neighbourhood’ in place-based health research

Table 5 Correlations between new buffers and standard buffers for percentage land-use exposure (n = 32)

	Variable width buffer		RIC polygon buffer		RIC ellipse buffer		RIC line buffer
	rho	p	rho	p	rho	p	rho	p
Circular buffer
Commercial (%)	0.94	<0.001	0.55	0.002	0.46	0.010	0.55	0.001
Institutional (%)	0.92	<0.001	0.89	<0.001	0.62	<0.001	0.32	0.082
Recreational and park (%)	0.94	<0.001	0.61	<0.001	0.45	0.013	0.48	0.006
Industrial (%)	0.91	<0.001	0.88	<0.001	0.80	<0.001	0.63	<0.001
Residential (%)	0.99	<0.001	0.82	<0.001	0.36	0.051	0.47	0.008
Utilities/Communications (%)	0.89	<0.001	0.58	0.001	0.48	0.008	0.51	0.004
Other (%)	0.96	<0.001	0.65	<0.001	0.45	0.012	0.58	0.001
Polygon Network buffer
Commercial (%)	0.78	<0.001	0.66	<0.001	0.51	0.004	0.95	<0.001
Institutional (%)	0.78	<0.001	0.65	<0.001	0.48	0.007	0.72	<0.001
Recreational and park (%)	0.60	<0.001	0.58	0.001	0.66	<0.001	0.83	<0.001
Industrial (%)	0.74	<0.001	0.78	<0.001	0.63	<0.001	0.87	<0.001
Residential (%)	0.70	<0.001	0.82	<0.001	0.52	0.003	0.67	<0.001
Utilities/Communications (%)	0.93	<0.001	0.67	<0.001	0.62	<0.001	0.61	<0.001
Other (%)	0.78	<0.001	0.67	<0.001	0.54	0.002	0.74	<0.001
Line-based network buffer
Commercial (%)	0.76	<0.001	0.60	<0.001	0.45	0.012	0.94	<0.001
Institutional (%)	0.78	<0.001	0.69	<0.001	0.53	0.003	0.69	<0.001
Recreational and park (%)	0.64	<0.001	0.55	0.002	0.65	<0.001	0.81	<0.001
Industrial (%)	0.73	<0.001	0.78	<0.001	0.67	<0.001	0.84	<0.001
Residential (%)	0.67	<0.001	0.83	<0.001	0.52	0.003	0.63	<0.001
Utilities/Communications (%)	0.90	<0.001	0.68	<0.001	0.63	<0.001	0.63	<0.001
Other (%)	0.70	<0.001	0.65	<0.001	0.59	0.001	0.73	<0.001

ISSN: 1476-072X