“…In the evaluation of the relationship between unpaid labour time and mental health, the overall quality of evidence in the included studies was low to moderate. No study was deemed at low risk of bias overall, seven were rated as moderate, 16,18,35,38,39,43,44 seven as serious, 13,17,[22][23][24]36,37 and five as severe. 19,21,[40][41][42] Risk of bias was most severe for the confounding domain where four studies were judged as severe risk, 19,[40][41][42] five as serious, 17,[21][22][23][24] nine as moderate, 13,16,18,[35][36][37][38][39]44 and one as low, 43 with an overall domain-specific judgement of moderate.…”