ReviewJournal of pediatric rehabilitation medicine2026
Psychometric Evaluation of Sexual Knowledge and Self-Efficacy Components of the SPARKS Survey for Adults with Spina Bifida.
Review in Journal of pediatric rehabilitation medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
BackgroundChallenges in accessing comprehensive sexual and reproductive health (SRH) information and care leave many individuals with spina bifida (SB) vulnerable to unmet SRH needs, risking unfulfilling sexual experiences and increasing susceptibility to coercion and abuse. Accurate tools are essential to measure SRH knowledge and self-efficacy in adults with SB.ObjectiveThis study aimed to evaluate the internal consistency and construct validity of domains of a newly developed survey that assesses SRH knowledge and self-efficacy in partner and provider discussions among adults with SB.MethodsThe SRH survey, recently validated for content, was distributed via REDCap with support from the National Spina Bifida Association (SBA) through social media, including SBA's Facebook, and the Adult Advisory Committee. Responses were de-identified, and each participant received a unique survey ID. Internal consistency of the self-efficacy subscales was assessed using Cronbach's alpha and Kuder-Richardson Formula 20 (KR-20) was used for the knowledge scale. Principal component analysis (PCA) evaluated scale structures. Analyses were conducted using SPSS.ResultsNinety participants completed the SRH survey. Most respondents were female (75.5%). Participants' ages ranged from 18 to 77 years (mean = 40.47, SD = 12.897) and 85.6% identified as non-Hispanic White. Both the self-efficacy scale for partner discussions (α = 0.914, five items) and provider communication (α = 0.958, eight items) had excellent internal consistency. PCA supported construct validity, with a single-factor structure explaining 75.3% of variance for partner communication and 78.0% for provider communication, indicating that each set of items measures a cohesive underlying construct of self-efficacy within its respective communication domain. KR-20 indicated low internal consistency for the SRH knowledge scale (KR-20 = 0.426, 11 items), likely due to limited response variability.ConclusionThe SRH self-efficacy scales for partner and provider communication demonstrated excellent internal consistency (reliability) and construct validity among adults with SB. In contrast, limited variability in knowledge responses suggests that the current knowledge scale may require refinement to better capture differences in SRH knowledge across individuals.
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