Mean (95% confidence interval, CI) and its difference of mental health related quality of life stratified by sex, satisfaction with family support (FS) and depressive symptoms.^a

*P value for the difference in mental HRQoL between the reference group after adjusting for age, education level, drinking status, physical activity level, body mass index, number of chronic diseases, life stress, and neighborhood cohesion. aMeasured by the nine-item Patient Health Questionnaire (PHQ-9), ≥10 indicated moderate and above levels of depressive symptoms severity. High FS, family APGAR score 7–10; low FS, family APGAR score 0–6.