How do Maryland courts decide if joint custody is appropriate?

In joint custody cases, Maryland courts apply the following additional factors to determine if joint custody is in a child's best interest:

Willingness of each parent to share custody.
Psychological and physical "fitness" of each parent.
Strength of relationship of child to each parent.
Potential disruption of shared physical custody upon a child's social and school life.
Geographic proximity of the parents' homes.
Demands of parents employment
Age and number of children involved.
Sincerity (motivation) of parent's requests.
Financial status of parents.
Impact on state or federal assistance.
Benefit to parents.
Other factors, as appropriate on a case-by-case basis.