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. Author manuscript; available in PMC: 2015 Aug 13.
Published in final edited form as: Open J Stat. 2015 Aug;5(5):412–420. doi: 10.4236/ojs.2015.55043

Table 8.

Contingency table used with cutoffs corresponding to percentiles (0.1, 0.25, 0.5, 0.75, 0.9).

Group Bin
1 (≤22.0) 2 (>22.0, ≤24.5) 3 (>24.5, ≤28.5) 4 (>28.5, ≤33.5) 5 (>33.5, ≤39.2) 6 (>39.2)
Black Females 47 61 140 186 144 115
Black Males 68 110 176 159 85 48
White Females 120 137 190 190 123 86
White Males 79 140 266 224 97 52