Influence of gait analysis on decision-marketing for lower extremity surgery

The impact of physical activity on self-reported quality of life in cerebral palsy


  1. 1.School of Nursing, Departments of Rehabilitation Medicine and Pediatrics, University of Washington, Seattle, WA, USA

Background/Objectives: Healthcare provides have a vested interest in the relationship of clinical indicators of disability and well-beign. This study investigates the association of physical activity (PA) to self-perceived quality of life (QoL) of youth with cerebral palsy (CP) compared to typically developing youth (TDY).

Design: Cross-sectional comparison study.

Study Participants/Setting: A convenience sample of 81 youth with CP, Gross Motor Function Classification System (GMFCS) Levels I, II, and III, and an age- and sex-matched 30 TDY were recruited from three tertiary care children’s hospitals and a regional military hospital. Participants age averaged 11 years 10 months (SD 1y 2mo), half were male (52%), the majority were Caucasian (79%), and one-third of guardians (36%) attended some vocational school or college.

Methods: Participants completed the Activity Scale for Kids performance version for PA and the Youth Quality of Life (YQoL) for QoL. YQoL assesses the four perceptual domains of total QoL, sense of self, social relationships, culture/community environment, and general QoL within the current World Health Organization (WHO) definition of QoL. A global single question of `How do you feel about your life today?’ scored on a 7-point Likert scale sampled how the participant was feeling about their life that day (Current Day Outlook [CDO]).

Results: CDO was positively associated with general QoL and the four perceptual domains of the YQoL (r range 0.49-0.58, p<0.001). PA significantly influenced the YQoL subscales of relationships (r=30), self (r=0.48, and total QoL (r=0.29) positively. No ordered effect of GMFCS level was documentated. As compared to the TDY sample, youth with CP in Level III had a positive association to the perceptual subscales of relationships (r=0.27) and self (r=0.29). A negative association to environment (r=-0.25) and total QoL (r=0.18) was documented for youth in Level I with no significant associations found for Level II.

Conclusions: CDO results are consistent with the WHO definition of QoL. PA does not appear associated with the YQoL perceptual domains of self and total QoL. The lack of GMFCS-ordered QoL effect as compared to a TDY peer group, suggests that functional level does not impact QoL when measured separately from functional health issues

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