Rules, role models or overall climate at home? Relative associations of different family aspects with adolescents' problematic social media use

•Relative associations of family subsystems with problematic SMU are examined.•Especially the parent-child system seems important to consider in preventing problematic SMU.•General and Internet-specific parenting relate to problematic SMU above and beyond each other.•Internet-specific rules and positive parenting are negatively related to problematic SMU.•Reactive restrictions towards Internet use is positively related to problematic SMU.