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Concurrent And Prospective Associations Between Learning Disabilities And Concussion In Young Adults: 1792 Board #3 June 2, 1: 00 PM - 3: 00 PM.

PURPOSE: This study examined the relationships between overall health, PA engagement, muscular strength, and BMI. The goal was to reveal the potential underlying mechanism of general health among children with disabilities using mediation analysis. METHODS: This study employed secondary data analysis using the 2012 National Youth Fitness Survey. Data from 218 surveys of children with disabilities (101 male and 117 female) aged 6 to 15 years (M = 10.93 + 2.72) were extracted from the nationally representative sample. Children with disabilities were defined as having one of four criteria: (a) receiving special education services, (b) having long term health impairment, (c) having mobility limitations, or (d) needing special equipment. Frequency of participation in daily PA, BMI, grip strength, and general health condition were used for data analysis. A multiple mediator model was employed to examine the potential underlying mechanism using SPSS 22, process macro (Hayes, 2014). RESULTS: As expected, the general health of children with disabilities was influenced by PA engagement, BMI, and muscular strength. The mediation analysis revealed that daily PA engagement not only directly affects general health (b= .24, p<.01), but also indirectly through muscular strength (b = -.032, 95% CI: -.081, -.006) as a single mediator, and through BMI and muscular strength (b = -.013, 95% CI: -.037, .001) as multiple mediators. In addition, BMI affects general health through muscular strength (b = .033, 95% CI: .008, .064). CONCULSION: The study demonstrated the importance of not only PA engagement on general health, but also the role of BMI and muscular strength, as well as how they are directly and indirectly affecting general health among children with disabilities.