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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Psychoneuroendocrinology. 2014 Aug 12;49:299–309. doi: 10.1016/j.psyneuen.2014.07.022

Table 5.

Correlations of 2- and 3-point cortisol slopes with the 4-point cortisol slope as the standard in Study 1 (N = 115) and correlations of 2-point slopes with the 3-point slope in Study 2 (N = 84)

Points included Mean correlation Median correlation (25th–75th percentile)
Wake, noon, 5 pm .86 .83 (.60 – .94)
Wake, noon, 9 pm .99 .98 (.95 – .99)
Wake, 5 pm, 9 pm .99 .99 (.96 – .99)
Wake, noon .62 .62 (.16 – .83)
Wake, 5 pm .84 .81 (.56 – .94)
Wake, 9 pm .97 .97 (.92 – .99)

Wake, 5 pm .80 .77 (.33–.94)
Wake, 9 pm .99 .99 (.96–.99)