Social ParticipationPatient ParticipationConsumer ParticipationSportsResearch SubjectsQuestionnairesPatient SelectionRefusal to ParticipateDisabled PersonsActivities of Daily LivingUnited StatesInformed ConsentFood ServicesCross-Sectional StudiesMotivationHealth PromotionHealth Knowledge, Attitudes, PracticeClinical Trials as TopicLeisure ActivitiesInterviews as TopicData CollectionProgram EvaluationBiomedical ResearchDisability EvaluationPatient Acceptance of Health CareDecision MakingAttitude to HealthSocioeconomic FactorsSocial SupportTherapeutic Human ExperimentationResearch DesignSchoolsParental ConsentExerciseHuman ExperimentationHealth BehaviorFocus GroupsCommunity-Based Participatory ResearchMotor ActivityTrustMass ScreeningQualitative ResearchPatient ComplianceEmploymentCooperative BehaviorSelf-Help GroupsCommunity Health PlanningTime FactorsLogistic ModelsAttitude of Health PersonnelPersonal AutonomyInterpersonal RelationsPilot ProjectsMinority GroupsQuality of LifeEthics, ResearchCommunity Health ServicesCommunity NetworksVolunteersLongitudinal StudiesAthletic InjuriesOccupational TherapyOutcome Assessment (Health Care)Health EducationParentsHealth StatusGenetic ResearchGroup ProcessesResearch PersonnelPatient SatisfactionResearchPatient Education as TopicAltruismAge FactorsSelf EfficacyAttitudeDecision Making, OrganizationalCommunicationAfrican AmericansInternetEducational StatusNetherlandsSocial EnvironmentPower (Psychology)Public AssistanceWheelchairsMedicaidInternational Classification of Functioning, Disability and HealthRandomized Controlled Trials as TopicPhysician-Patient RelationsPsychology, SocialSex FactorsStudentsRecreationHealth SurveysBiological Specimen BanksPatient DropoutsHealth Services ResearchRisk FactorsLife Style