477 Twenty-Four-Hour Movement Practice Guidelines for Saudi Arabia using a modified RAND Appropriateness Method, and Evaluation (GRADE)‑ADOLOPMENT approach: An Integration of Physical Activity, Sedentary Behaviour, and Sleep Duration

Abstract Introduction Physical activity, sedentariness, and sleep. are strongly interrelated; however, several international guidelines regarding factors associated with movement focus on each activity separately, which, when taken in isolation, may be insufficient for the purpose of developing implementing recommendations needed to achieve optimal physical mental health [1‑2]. The absence national sedentary behaviour, sleep that incorporate cultural differences has prompted development Saudi 24-Hour Movement Guideline. Aim aim study is provide policymakers, health‑care providers, researchers, sports professionals, members public duration time they should spend engaged throughout all age groups. Methods A modified RAND appropriateness method “GRADE‑ADOLOPMENT” approach guideline were used by a panel develop recommendations. Panel identified clear criteria choose best practice set objectives after evaluation, based GRADE table evidence, findings summaries, draft Updating selected was performed, Consensus Panels separately reviewed evidence behaviour decided adopt or adapt create de novo Two rounds voting conducted reach consensus behaviour. answers aggregated, frequencies percentages calculated using online questionnaire itself before data tabulated qualitative responses as feedback round 2. Results integrated needs following groups: children (0–2 years), pre-schoolers (3–5 adolescents (6–17 adults (18–64 older (≥65 years). also include special considerations culture, such dawn prayer Ramadan Conclusion These new provided healthy Saudis over 24-hour periods groups reflect taking into account local customs practice. Several research gaps highlighted potential future research. References 1. Cappuccio FP, Cooper D, D’Elia L, Strazzullo P, Miller MA. Sleep predicts cardiovascular outcomes: systematic review meta‑analysis prospective studies. Eur Heart J 2011;32:1484‑92. Haskell WL, Lee IM, Pate RR, Powell KE, Blair SN, Franklin BA, et al. health: Updated recommendation from American College Sports Medicine Association. Circulation 2007;116:1081‑93.