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DesignLongitudinale Co-Twin-Control-Analyse
Summary
Longitudinal twin study on adolescent cannabis use and adult psychoticism; co-twin control design to control for genetic and environmental confounding. Abstract does not report numerical effect sizes; refers to a consistent association between cannabis use and increased schizophrenia risk (Marconi et al., 2016) as well as a dose-dependent increase in risk with early onset of use (van der Steur et al., 2020).
Quality profile
Sample size
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Blinding
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Citations / year
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