. 2005 Sep 1;114(1):24–28. doi: 10.1289/ehp.8273

Table 4.

AORs (95% CIs) for a 1 log₁₀ increase in the daily average of Enterococcus QPCRCE and GI illness among swimmers by time spent in water, beaches A and B combined.^a

Time spent in water (min)	No.	AOR per 1 log₁₀ increase (95% CI)
≥ 15	2,477	1.45 (1.14–1.85)^*
≥ 30	1,572	1.48 (1.12–1.96)^*
≥ 60	735	1.84 (1.25–2.72)^*
≥ 120	289	2.89 (1.55–5.40)^*

Body immersed in water.

p < 0.05.