Scientific References & Methodologies

At SOLVEMyHealth, we believe in transparency and scientific accuracy. Every calculator, assessment tool, and lifestyle recommendation on our platform is based on validated research and globally accepted guidelines. This page lists the primary scientific sources, methodologies, and reference materials used in developing our risk calculators, health questionnaires, and personalized diet and exercise plans. These citations ensure that all our assessments align with evidence-based medical and lifestyle science, helping you make informed decisions about your health and wellness.

1. Heart Risk Calculator (QRISK)

Hippisley-Cox, J., Coupland, C., Brindle, P. (2017). Development and validation of QRISK3 risk prediction algorithms to estimate future risk of cardiovascular disease: Prospective cohort study. BMJ, 357, j2099. https://doi.org/10.1136/bmj.j2099

Official website: https://qrisk.org

2. Body Fat % Calculator (U.S. Navy Circumference Method)

Hodgdon, J. A., & Beckett, M. B. (1984). Prediction of percent body fat for U.S. Navy men from body circumferences and height. Naval Health Research Center Report No. 84-11. San Diego, CA.
Reference summary: https://pubmed.ncbi.nlm.nih.gov/8437737

3. Basal Metabolic Rate (Harris–Benedict Equation)

Harris, J. A., & Benedict, F. G. (1919). A biometric study of human basal metabolism. Proceedings of the National Academy of Sciences of the United States of America, 4(12), 370–373.

Updated review: Roza, A. M., & Shizgal, H. M. (1984). The Harris Benedict equation reevaluated: Resting energy requirements and the body cell mass. The American Journal of Clinical Nutrition, 40(1), 168–182.
Overview: https://my.clevelandclinic.org/health/body/basal-metabolic-rate-bmr

4. Risk of Diabetes Calculator (ADA / NDEP)

American Diabetes Association (ADA). (n.d.). Type 2 Diabetes Risk Test. Retrieved from https://diabetes.org/tools-resources/tests-calculators

Stiglic, G., et al. (2015). Evaluation of major online diabetes risk calculators and their implications for risk communication. PLoS ONE, 10(11), e0142827. https://doi.org/10.1371/journal.pone.0142827

5. Happiness Score (Oxford Happiness Questionnaire – Short Form)

Hills, P., & Argyle, M. (2002). The Oxford Happiness Questionnaire: A compact scale for the measurement of psychological well-being. Personality and Individual Differences, 33(7), 1073–1082. https://doi.org/10.1016/S0191-8869(01)00213-6

Recent validation: Grigoriadou, E., et al. (2024). Psychometric properties of the Oxford Happiness Questionnaire Short Form (OHQ-SF): A cross-cultural study. Discover Psychology, 4, 153. https://doi.org/10.1007/s44202-024-00153-2

6. Erectile Dysfunction (International Index of Erectile Function – IIEF)

Rosen, R. C., Riley, A., Wagner, G., Osterloh, I. H., Kirkpatrick, J., & Mishra, A. (1997). The International Index of Erectile Function (IIEF): A multidimensional scale for assessment of erectile dysfunction. Urology, 49(6), 822–830. https://doi.org/10.1016/S0090-4295(97)00238-0

Review: Rosen, R. C., Cappelleri, J. C., & Gendrano, N. 3rd. (2002). The International Index of Erectile Function (IIEF): A state-of-the-science review. International Journal of Impotence Research, 14(4), 226–244. https://doi.org/10.1038/sj.ijir.3900857

7. Sleep Quality (RU-SATED Sleep Health Questionnaire)

Buysse, D. J. (2014). Sleep health: Can we define it? Does it matter? Sleep, 37(1), 9–17. https://doi.org/10.5665/sleep.3298

Ravyts, S. G., Dzierzewski, J. M., Perez, E., Donovan, E. K., & Bruce, C. L. (2019). Sleep health as measured by RU-SATED: A psychometric evaluation. Sleep Health, 5(4), 360–365. https://doi.org/10.1016/j.sleh.2019.01.003

8. Diet and Exercise Guidelines

Dietary Guidelines:
National Institute of Nutrition (ICMR-NIN). (2024). Dietary Guidelines for Indians (2024). Hyderabad: ICMR–NIN. Summary: https://www.nin.res.in/dietaryguidelines.html

World Health Organization (WHO). (2020). Healthy diet. https://www.who.int/news-room/fact-sheets/detail/healthy-diet

Exercise Guidelines:
American College of Sports Medicine (ACSM). (2021). ACSM’s Guidelines for Exercise Testing and Prescription (11th ed.). Wolters Kluwer.
Indian Association of Physiotherapists (IAP). (2021). National Guidelines for Physiotherapy Practice. https://www.physiotherapyindia.org

Disclaimer

• These tools and guidelines are intended for educational and self-assessment purposes only.
• They do not substitute professional medical consultation or diagnosis.
• All results should be interpreted in context by a qualified healthcare professional.