. Author manuscript; available in PMC: 2011 Dec 1.

Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2010 Oct 12;19(12):3005–3012. doi: 10.1158/1055-9965.EPI-10-0709

Table 3.

Pearson correlation coefficients for self-report measures of average exposure hours (survey and diary variables) for lifeguards and children

	WD Diary	WE Diary	Average Daily Exposure Diary
Lifeguards (n=149)
BL survey¹	.28^**	.20^**	.27^**
FL survey	.47^***	.53^***	.54^**
Children (n=180)
BL survey	.35^**	.35^**	.45^**
FL survey	.48^***	.45^***	.53^***

BL = baseline survey.

FL = follow-up survey

^**

p<.01,

^***

p<.001