Advancing Woman-Centered Global Health Simulations: Improved Accuracy Through Detailed Demographic Modelling in FPsim
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Background
FPsim is an agent-based model designed to simulate individual family planning (FP) behaviors and outcomes, capturing biological and behavioral heterogeneity among women. The initial release of the model enabled users to estimate the impact of new contraceptive technologies and interventions, but it lacked key contextual factors—particularly those linked to women’s socioeconomic status—that influence contraceptive dynamics. In this work, we enhanced FPsim by incorporating additional demographic attributes, including education level, wealth quintile, and urban/rural residence. These attributes influence, and are influenced by, contraceptive behaviors, allowing for a more nuanced simulation of family planning outcomes.
Methods
The key enhancements to the FPsim model are/were: (1) refining the behavioral algorithms that determine a woman’s probability of contraceptive uptake, method choice, and—importantly—the duration a woman remains on a given method, and (2) integrating additional social and demographic factors to better reflect real-world contraceptive choice. We added demographic attributes of education, urban/rural residence, and wealth quintile. By capturing how social context influences duration and switching behavior, FPsim v2.0 better reflects real-world contraceptive trajectories and heterogeneity across population subgroups.
Contribution
FPsim v2.0 advances a more comprehensive and person-centered approach to modeling FP behaviors. The new model embeds additional social and demographic diversity into individual agent profiles, offering the ability to simulate more tailored and effective interventions. Further validation in diverse settings is necessary to generalize these findings and maximize the model’s utility.
