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. 2021 Apr 13;30(8):2171–2185. doi: 10.1007/s11136-021-02813-5

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© The Author(s) 2021

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Fig. 1 — Directed acyclic graph (DAG-1). Variable names are abbreviated: origin country of origin; education educational level; work employment status; income family economic difficulties; BMI body mass index; smoke smoking status; sleep hours of sleep; dependency lack of autonomy. Node colours represent the group to which each variable belongs: demographic factors (in blue), socioeconomic factors (in green), relational factors (in purple), lifestyle factors (in grey), health factors (in red), and self-reported health (in orange). (Color figure online)