Table 2.

Statistical models for Aβ using pure tone average

	Model A: Regression	Model B: Probit	Model C: Ordered
Intercept	–115.28	–3.04
	(0.005)	(0.103)
PTA (dB)	0.24	0.01	0.01
	(0.376)	(0.553)	(0.519)
Age (y)	1.52	0.02	0.04
	(0.008)	(0.383)	(0.141)
APOE4	25.23	1.02	1.01
	(0.000)	(0.000)	(0.000)
HA use	8.45	0.47	0.41
	(0.255)	(0.169)	(0.208)
n	137	137
R-squared	0.218

For all models, statistical model coefficients are reported, with p values in brackets. In model A, Aβ is treated as a continuous measure. For model B, Aβ is classified according to positive or negative status. In model C, Aβ status is classified according to the 5 categories of Centiloid status.