Regularity of contact with GPs: Measurement approaches to improve valid associations with hospitalization

Studies examine longitudinal continuity of GP contact though few consider 'regularity of GP contact', i.e., the dispersion of contacts over time. Increased regularity may indicate planned ongoing care. Current measures of regularity may be correlated with the number of contacts and may not isolate the phenomenon of interest.To compare two published and one newly developed regularity index in terms of their ability to measure regularity of GP...