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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Harmful Algae. 2010 May 1;9(4):419–425. doi: 10.1016/j.hal.2010.02.005

Table 1.

Lifeguard Demographics

Year Gender N Mean Age ±
SD
Minimum
Age
Maximum
Age
2004 Male 32 34.9 ± 12.0 18 57
Female 5 24.2 ± 7.6 18 37
2005 Male 36 33.8 ± 12.4 19 58
Female 3 26.3 ± 10.1 20 38