Self-reported volitional control in adolescents and young adults from a community cohort: Associations with current, past and future mental disorders

Progression of externalizing disorders into anxiety disorders: Longitudinal transitions in the first three decades of life

BACKGROUND

There is a notable comorbidity between externalizing disorders and anxiety disorders, which may be explained by the co-occurrence of two prevalent early-onset disorders, by shared vulnerability and risk factors, or as evidence that one disorder group might be causally related to the other.

AIM

To investigate the longitudinal trajectories of externalizing disorders, their interplay with anxiety disorders, and putative predictors for symptom progression in youth.

METHODS

1053 adolescents (14-17 years) from the general population were assessed at baseline and prospectively at 2, 4, and 10-year follow-up using a standardized interview of mental disorders (DIA-X/M-CIDI) to assess "early" (oppositional-defiant disorder, conduct disorder, ADHD) and "late" (antisocial behavior, substance use disorders) externalizing disorders as well as anxiety disorders. Longitudinal associations and predictors for symptom progression were examined using Kaplan-Meier-analyses.

RESULTS

Lifetime prevalence of early externalizing disorders were 9.1% and 6.4% among those with and without any anxiety disorder. A late externalizing disorder was reported by 50.3% of those with an early externalizing disorder and in 26.6% of those with any anxiety disorder. Both early (HR: 1.5, 95%CI: 1.0-2.3) and late externalizing disorders (HR: 2.1, 95%CI: 1.7-2.6) were associated with incident anxiety disorders. Higher parental rejection, lower volitional inhibition, and higher volitional avoidance predicted incident anxiety disorders among those with early externalizing disorders.

DISCUSSION

Early externalizing disorders likely follow a homotypic continuity (to late externalizing disorders) and/or a heterotypic continuity to anxiety disorders, and thus appear as a useful target for prevention and early intervention.

Addiction and Voluntariness: Five “Challenges” to Address in Moving the Discussion Forward

The question as to whether people with an addiction have control (and to what extent) over their addiction, and voluntarily decide to use substances is an ongoing source of controversy in the context of research on addiction, health policy and clinical practice. We describe and discuss a set of five challenges for further research into voluntariness (definition[s], measurement and study tools, first person perspectives, contextual understandings, and connections to broader frameworks) based on our own research experiences and those of others.