Physical health complaints and the use of outpatient mental health services among those with a mental disorder.

may benefit from outpatient mental health services, only 20% receive such services annually. As mental disorder and physical health problems are associated, together they may increase the probability of use by increasing need and/or access to services. The purpose of this study is to determine whether physical health complaints are associated with the use and volume of use of outpatient mental health services among those with mental disorder.