Varied categorisations of residential distance to bluespace in population health studies make comparisons difficult. Using survey data from eighteen countries, we modelled relationships between residential distance to blue spaces (coasts, lakes, and rivers), and self-reported recreational visits to these environments at least weekly, with penalised regression splines. We observed exponential declines in visit probability with increasing distance to all three environments and demonstrated the utility of derived categorisations. These categories may be broadly applicable in future research where the assumed underlying mechanism between residential distance to a blue space and a health outcome is direct recreational contact.

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Proximity,Water,Coast,Lake,River,Spline

• Ciências da Terra e do Ambiente - Ciências Naturais
• Ciências Biológicas - Ciências Naturais
• Geografia Económica e Social - Ciências Sociais