Additional file 1 of Long-term trends in specialized outpatient health care utilization: an analysis in the context of a primary health care reform

Supplementary Material 1: Additional Fig. 1. Trajectory analysis datasets. Trajectory analysis output showing trajectories of specialized health care utilization between 2007 and 2017. On the Y-axis, the number of annual physician visits in specialized health care per individual are categorized by 4 utilization-groups corresponding to; 0 visits, 1 visit, 2–3 visits, and more than 3 visits