Table 2.

Adjusted Associations With Optic Disc Area

	β	95% CI	P Value
Age, per decade	−0.011	(−0.025, 0.003)	0.14
Sex
Male	Ref
Female	−0.007	(−0.037, 0.022)	0.62
Height, per 10 cm	0.027	(0.011, 0.043)	0.001
DBP, per 10 mm Hg	0.009	(−0.002, 0.020)	0.10
Education level
Degree	Ref
A level	0.014	(−0.013, 0.042)	0.31
O level	−0.014	(−0.050, 0.023)	0.47
Less than O level	0.012	(−0.020, 0.043)	0.46
Alcohol intake
No intake	Ref
> 0 < 7 units/wk	−0.010	(−0.038, 0.017)	0.46
≥ 7 < 14 units/wk	0.022	(−0.007, 0.051)	0.14
≥ 14 < 21 units/wk	0.019	(−0.016, 0.055)	0.29
≥ 21 units/wk	−0.010	(−0.041, 0.021)	0.53
Axial length, mm	0.038	(0.030, 0.047)	<0.001
IOP, mm Hg	0.002	(0.000, 0.004)	0.039
Lens status
Phakic	Ref
Pseudophakic	−0.016	(−0.050, 0.018)	0.35

Results are from one multiple linear regression model with all variables presented in the model. P values <0.01 are in bold. O and A levels are standard educational examinations taken at 16 and 18 years of age in the UK. DBP, diastolic blood pressure. Ref, reference level.