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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: Annu Rev Public Health. 2018 Jan 12;39:77–94. doi: 10.1146/annurev-publhealth-040617-014317

Figure 1.

Figure 1

An illustration of a hypothetical agent-based model. Individual characteristics such as demographics, health behaviors, health conditions, and health service utilization (blue) influence and are influenced by community characteristics ( green), social ties (brown), and other contacts ( purple), as well as ongoing processes such as aging and movement through the environment (orange). Taken together, these static and time-varying characteristics at multiple levels and the often bidirectional processes that connect them create a system from which population health emerges.