Table 2

Correlation between perceived driving disability scores and scores of general health, general vision, near vision and distance vision domains

	PDDN	PDDU	General health GH	General vision GV	Near vision NV	Distance vision DV
PDD
Corr coeff	0.48	0.36	0.273	0.489	0.65	0.829
p Value	<0.001	<0.001	0.008	<0.001	<0.001	<0.001
PDDN
Corr coeff		0.272	0.173	0.065	0	0.165
p Value		0.01	0.104	0.542	0.999	0.12
PDDU
Corr coeff			0.085	0.132	0.346	0.314
p Value			0.424	0.213	0.001	0.003
General health
Corr coeff				0.494	0.383	0.297
p Value				<0.001	<0.001	0.004
General vision
Corr coeff					0.647	0.499
p Value					<0.001	<0.001
Near vision
Corr coeff						0.849
p Value						<0.001