Surf bather drowning risk analysis

Eighteen lifeguards or surfers judged surf bather drowning putative risk factors based on their experience in surf activities. Each judge rated the likelihood of a person requiring rescue in 27 scenarios in a Latin square arrangement for unique combinations of three levels for swimming ability, surf bathing experience and wave height, with replication.All factors provided unique contributions to drowning risk (pEthical approval was granted by the Monash University Standing Committee on Ethics in Research Involving Humans.