Chunk #6 — METHOD — Past-30-Day Use

Source

Mega-Analysis of Gray Matter Volume in Substance Dependence: General and Substance-Specific Regional Effects.

Embedded

yes

Text

Linear mixed-effects models were used to determine whether past-30-day nicotine or alcohol use was related to the volume or thickness of regions of interest identified by model 1 or 2 (i.e., those brain regions listed in Tables 2 and 3). (See the online supplement for more details.)