Table 4.

Predicted equivalent effect of aging in terms of additional years for an average 50-year-old individual (model excludes individuals who consume a high level of alcohol (i.e., females who report consuming more than 18 units/week and males who report consuming more than 24 units/week).

	Standard control variables
Intake changes	Global GMV	Equivalent aging at 50	Global WMV	Equivalent aging at 50
0–1 unit	−0.034	0.5 years	−0.019	0.5 years
1–2 units	−0.107	1.7 years	−0.067	1.8 years
2–3 units	−0.181	2.9 years	−0.116	3.1 years
3–4 units	−0.255	4.0 years	−0.164	4.4 years
0–4 units	−0.577	8.6 years	−0.367	9.5 years

Note. GMV gray matter volume.