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Clinical Manifestations.

Anne Nyambura Njogu1, Anne Njoki Gitere1, Levi A Muyela1

  • 1Brain and Mind Institute, Aga Khan University, Nairobi, Kenya.

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Summary
This summary is machine-generated.

A new Lifetime Sense of Safety (LSS) scale shows good psychometric properties in Kenyan adults. This scale measures perceived safety across childhood and adulthood, correlating negatively with stress and positively with resilience.

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Area of Science:

  • Neuroscience
  • Psychology
  • Public Health

Background:

  • Safety is crucial for brain health, yet no tools exist to measure perceived safety.
  • The novel Lifetime Sense of Safety (LSS) scale was developed to assess self-perception of safety.
  • The scale evaluates safety across childhood and adulthood settings, termed the "protectome".

Purpose of the Study:

  • To describe preliminary psychometric data for the novel Lifetime Sense of Safety (LSS) scale.
  • To evaluate the scale's internal consistency, factor structure, sex effects, and convergent validity.
  • To assess the LSS scale's potential for investigating the impact of the lifetime "protectome" on late-life brain health.

Main Methods:

  • A 6-item LSS scale was developed in English and Kiswahili.
  • Respondents rated perceived safety in childhood (home, school, neighborhood) and adulthood (home, work, neighborhood) on a 0-10 scale.
  • The scale was administered to 163 Kenyan adults; internal consistency, factor structure, sex effects, and convergent validity with perceived stress (PSS-4) and resiliency (CDRS) were evaluated.

Main Results:

  • The LSS scale demonstrated good internal consistency (α = 0.86) and suitability for factor analysis (KMO = 0.81).
  • Exploratory factor analysis revealed two latent factors: childhood safety (items 1-3) and adulthood safety (items 4-6), accounting for 75% of the variance.
  • The LSS total score was negatively correlated with perceived stress (r = -0.30) and positively correlated with resiliency (r = 0.26).

Conclusions:

  • The LSS scale is a psychometrically sound measure of perceived safety, with distinct childhood and adulthood factors.
  • Perceived safety is inversely related to stress and directly related to resiliency.
  • The LSS scale shows promise for research on the lifetime "protectome" and its influence on brain health.