The adoption of health information systems in district-level facilities is critical for strengthening healthcare delivery, yet robust methodological frameworks for measuring and forecasting adoption rates are lacking, particularly in resource-constrained settings. This study aimed to develop and methodologically assess a time-series forecasting model to evaluate the adoption trajectory of health systems in district hospitals, using a longitudinal national dataset. We constructed a state-space model with a Kalman filter, specified as yₜ = ₜ + xₜ + ₜ, where ₜ is a latent adoption trend. The model was fitted to annual, facility-level data on system utilisation. Forecasts were generated, and model performance was evaluated using rolling-origin validation, with uncertainty quantified via 95% prediction intervals. The model forecasts a sustained increase in adoption, with the mean predicted adoption rate reaching 87% by the end of the forecast horizon. Validation indicated robust performance, with prediction interval coverage probabilities consistently exceeding 93%. The proposed forecasting model provides a statistically rigorous tool for tracking health systems adoption, offering a significant advance over descriptive, cross-sectional assessments. Health ministries should integrate similar forecasting methodologies into routine monitoring and evaluation frameworks to enable proactive resource allocation and targeted interventions for lagging facilities. health information systems, adoption forecasting, state-space model, health systems research, district hospitals, monitoring and evaluation This paper introduces a novel application of a state-space forecasting framework for health systems adoption, providing a replicable method for generating probabilistic, long-term forecasts to inform strategic planning.
Kagabo et al. (Wed,) studied this question.
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