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Development and validation of the short-form Adolescent Health Promotion Scale.

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A new short-form Adolescent Health Promotion scale (AHP-SF) is a reliable tool for assessing adolescent health behaviors. This validated instrument helps identify at-risk youth and evaluate health programs.

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Area of Science:

  • Adolescent Health
  • Psychometrics
  • Health Promotion

Background:

  • Adolescent health behaviors significantly impact current and future well-being.
  • A need exists for concise, reliable screening tools for adolescent health promotion.
  • The original 40-item Adolescent Health Promotion (AHP) scale has been used globally.

Purpose of the Study:

  • To examine the psychometric properties of a newly developed short-form version of the AHP scale (AHP-SF).
  • To test the reliability and validity of the AHP-SF in a Taiwanese adolescent population.

Main Methods:

  • A 21-item, six-factor model of the AHP-SF was developed using confirmatory factor analysis (CFA) on 814 adolescents in southern Taiwan.
  • Psychometric testing included internal consistency (McDonald's omega, Cronbach's alpha), convergent validity, discriminant validity, and construct validity.
  • Participants were randomly divided into calibration and validation subsamples.

Main Results:

  • The CFA confirmed a six-factor, 21-item AHP-SF with acceptable model fit.
  • The AHP-SF demonstrated excellent internal consistency (McDonald's omega = 0.904, Cronbach's alpha = 0.905).
  • Lower AHP-SF scores correlated with higher risks of overweight/obesity, breakfast skipping, and increased screen time, supporting discriminant validity.

Conclusions:

  • The AHP-SF is a valid and reliable instrument for evaluating adolescent health-promoting behaviors.
  • Healthcare providers can utilize the AHP-SF for assessing behaviors and program outcomes in adolescents.
  • The AHP-SF provides a parsimonious yet effective tool for adolescent health promotion initiatives.