Over-indebtedness and its association with sleep and sleep medication use.
Jacqueline WarthMarie-Therese PuthJudith TillmannJohannes PorzUlrike ZierKlaus WeckbeckerEva MünsterPublished in: BMC public health (2019)
German Clinical Trials Register: DRKS00013100 (OID survey, ArSemü); Date of registration: 23.10.2017; Date of enrolment of the first participant: 18.07.2017, retrospectively registered.