Daily patterns of substance use among young adults who vape nicotine and cannabis: Latent class analysis of smartphone-based daily diary data.

ABSTRACT:

Introduction

Using multiple tobacco and cannabis products is common among young adults and raises concerns about addiction and health risks. Few studies address daily use patterns of multiple products on the same day. We used daily diaries to identify patterns of substance use and associated factors among young adults who reported vaping nicotine and cannabis.

Methods

We collected smartphone-based daily diaries from 113 California young adults (mean age=23.8) who vaped nicotine or cannabis for 20 +  days in the past month. For 30 consecutive days, participants reported their daily use of nicotine/tobacco, cannabis, alcohol, craving for nicotine and cannabis vaping, and mood. We used multilevel latent class analysis to identify daily substance use patterns and mixed-effects l

SUBMITTER: Halliday DM 

PROVIDER: S-EPMC12945449 | biostudies-literature | 2026 Mar

REPOSITORIES: biostudies-literature