The interrelationships among pain interference, depressive symptoms, loneliness, and employment status: a moderated mediation study.

Objective: To explore the mediating effect of loneliness on the relationship between pain interference and depressive symptoms and to determine whether this mechanism is contingent on employment status.

Design: Cross-sectional study.

Subjects: A total of 876 adult caregivers of adolescents living in extremely impoverished conditions.