The Core ASA24 Program Is Free
For many researchers, clinicians, and educators, the most crucial piece of information about the Automated Self-Administered 24-Hour (ASA24) Dietary Assessment Tool is that it is free. The National Cancer Institute (NCI), which developed the program, provides it as a resource to the health community as part of its mission to advance dietary assessment methods. The web-based software enables the collection of detailed, self-administered 24-hour dietary recalls and food records, generating data files for analysis. There is no licensing fee, per-user fee, or download cost for the core functionality of ASA24 provided by the NCI.
This availability makes ASA24 an invaluable tool for a wide range of studies, from epidemiology and clinical research to behavioral trials. It effectively removes a significant financial barrier that would otherwise prevent smaller institutions or individual researchers from conducting large-scale, high-quality dietary studies.
Associated Costs to Consider
While the ASA24 software is free, a complete understanding of its cost involves recognizing the expenses associated with its implementation in a study. These are not charges from the NCI but rather costs incurred by the user for managing the study itself.
Labor and Personnel Costs
This is often the most significant expense for any research project using ASA24. Researchers need to allocate time and resources for:
- Study Configuration: Setting up the study details on the ASA24 Researcher Website.
- Participant Management: Managing respondent accounts, recruitment, and monitoring their progress.
- Quality Control: Assessing data quality and editing data as needed.
- Data Analysis: The intellectual and labor cost of analyzing the output files from ASA24.
Single Sign-On (SSO) Integration
For large research studies that already have an existing web-based system for participant management, integrating ASA24 can streamline the process. The NCI offers a single sign-on option, which allows participants to be redirected from the study's website to ASA24 without a separate login. While this is convenient, it may come with a nominal charge to cover the technical implementation. This is an optional feature, and most users will not need to pay for it.
Country-Specific Adaptations
The NCI has developed versions of ASA24 for the U.S., Canada, and Australia. These international versions required external funding and labor from research teams in those countries to adapt the food database to local food supplies and dietary habits. For researchers in new countries who want to use the ASA24 infrastructure, obtaining outside funding for similar adaptations would be a necessary consideration. This does not impact U.S., Canadian, or Australian users.
Technology and Infrastructure
Researchers also bear the costs of the necessary technology to run their study. While ASA24 is web-based, studies still require internet access, computers, and potentially servers to manage study data. Most of these costs are standard overhead for any modern research project.
Comparison of Costs: ASA24 vs. Other Research Expenses
| Feature | ASA24 Program Itself | Associated Study Costs | 
|---|---|---|
| License Fee | $0 (Free from NCI) | N/A | 
| Staff Labor | Not applicable | Varies based on project scope, duration, and staff salaries. | 
| Study Management | Not applicable | Researcher's responsibility; costs include participant recruitment, follow-up, and data monitoring. | 
| Data Analysis | Not applicable | Researcher's responsibility; costs for biostatisticians or research assistants. | 
| Technical Integration (SSO) | Not applicable | Nominal charge for setup if required. | 
| Customizations | N/A | Funding required for new international versions. | 
| Hardware/Infrastructure | N/A | Costs for computers, internet, and office space (standard overhead). | 
Conclusion
In summary, the core ASA24 program is completely free for use by researchers, clinicians, and educators, courtesy of the National Cancer Institute. This makes it an incredibly accessible and valuable tool for nutritional assessment. However, a comprehensive financial plan for a study using ASA24 must account for the associated costs. These primarily include labor for study management, data handling, and analysis. Researchers planning multi-country studies should also be mindful of the potential need for funding to adapt the tool to a new national context. By understanding this distinction, project managers can accurately budget and leverage this powerful, free resource effectively.
Learn more about the ASA24 program and its features by visiting the official NCI website. https://epi.grants.cancer.gov/asa24/