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Integral health scale for young adults: design and validation
Azucena Brito-López1, David Flores-Castañeda1, Armando Muñoz-Comonfort1
1Laboratorio de Prospectiva, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico.
Gaceta Medica De Mexico
|August 3, 2026
Summary
A new 18-item scale effectively measures the integrated mental, social, and biological health of emerging adults. This tool supports health promotion and preventive care in primary settings.
Area of Science:
- Health promotion and prevention
- Primary care policy
- Emerging adult health
Background:
- Emerging adults (18-30 years) experience multifaceted health challenges.
- Current primary care lacks policies for proactive health promotion and prevention in this demographic.
Purpose of the Study:
- To develop an integral health construct.
- To validate a scale assessing mental, social, and biological health dimensions.
Main Methods:
- Construct development via literature review and expert consensus.
- Assessment of content validity (Aiken's V).
- Evaluation of reliability (Cronbach's alpha, McDonald's omega) and factorial structure (KMO index).
Main Results:
- The 18-item scale exhibited high internal consistency (α=0.881, ω=0.871).
- Strong content validity was confirmed (Aiken's V = 0.85).
- Adequate factorial structure (KMO = 0.923) with three components explained 63.6% of the variance.
Conclusions:
- The validated scale demonstrates potential for monitoring emerging adult health.
- The scale is suitable for application in primary care settings for preventive health strategies.