Table 6.

Multiple regression analysis in the older group (45–62 years old, n = 25 and adjusted R² = 0.427).

	Unstandardized		Standardized			95% CI
	B	SE	Beta	t	p	Lower	Upper
(Constant)	3.027	1.628		1.859	0.079	−0.394	6.447
Age	−0.001	0.021	−0.013	−0.069	0.946	−0.046	0.043
Sex	−0.483	0.265	−0.319	−1.823	0.085	−1.040	0.074
Axial length	−0.025	0.029	−0.155	−0.873	0.394	−0.087	0.036
Crystalline lens thickness	−0.008	0.017	−0.073	−0.461	0.650	−0.044	0.028
Subjective refraction	−0.581	0.380	−0.330	−1.526	0.144	−1.380	0.219
DPD	1.043	0.317	0.589	3.285	< 0.01 **	0.376	1.710

Dependent variable: amplitude of accommodation. CI, confidence interval; B, partial regression coefficient; SE, standard error; DPD, difference in pupillary diameter; **, p < 0.01.