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. 2016 Feb 26;11(2):e0150099. doi: 10.1371/journal.pone.0150099

Table 2. Chi-square test results regarding frequency of Sundays during measurements.

Gender Sundays (observed, expected) Workdays (observed, expected) Total number of measurements (observed, expected) Chi-square value p-value
Both 112 748 860
122.86 737.14 860 1.119 0.981
Male 90 506 596
85.14 510.86 596 0.323 0.999
Female 22 242 264
37.71 226.29 264 7.639 0.266

Chi-square test results regarding the frequency of Sundays versus workdays over the course of all measurements for entire study sample (n = 54, male n = 37, female n = 17).