Methods: Models and Tools
Scan brief descriptions of methodological work conducted by our center community and our decision science colleagues.
![Zach Ward speaking at meeting](https://chds.hsph.harvard.edu/wp-content/uploads/2022/10/PW_20181211_ZW_JW_AmuaMtg_780.jpg)
How much does excess weight cost in the US? Using a new method to estimate medical expenditures by continuous body mass index (BMI), this analysis finds that adult obesity was between $1,800 and $3,000 per year, accounting for over $170 billion of medical spending per year.
![Image of Sue Goldie and Jane Kim in Meeting](https://chds.hsph.harvard.edu/wp-content/uploads/2017/09/PW_20151205_SJG-Jane-tenure-prep_5Da_Stills_031.jpg)
These two papers describe the construction and empiric calibration of a cervical cancer microsimulation model at two time points, first leveraging primary data from a large epidemiological study (Kim et al.), and second leveraging data on type-specific HPV persistence and clearance from the control arm of vaccine trials (Campos et al.).
![Image of Ankur Pandya Speaking at Meeting.](https://chds.hsph.harvard.edu/wp-content/uploads/2017/10/PW_HarethSeminar-9.jpg)
This paper describes a cardiovascular disease model used to evaluate prevention and treatment, and a validation process in which simulated results were compared to observed all-cause and CVD-specific mortality data from the National Health and Nutrition Examination Survey using survival curves and ROC curves.
![Amua Logo](https://chds.hsph.harvard.edu/wp-content/uploads/2020/09/Amua-logo-01.png)