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. 2012 May 30;7(5):e37849. doi: 10.1371/journal.pone.0037849

Table 1. Results of three-way ANOVA examining the effects of city, gender of office inhabitant, and surface sample location on bacterial cell abundance.

Source Sums-Sq df Mean-Sq F P
Main Effects
City1 829726.016 2 414863.008 31.71 <0.001
Gender2 134685.392 1 134685.392 10.295 0.001
Location3 557911.089 4 139477.772 10.661 <0.001
2-way Interactions
City * Gender 33140.228 2 16570.114 1.267 0.283
City * Location 269388.829 8 33673.604 2.574 0.009
Gender * Location 29958.987 4 7489.747 0.572 0.683
3-way Interations
City * Gender * Location 82164.06 8 10270.508 0.785 0.616
1

New York, San Francisco, Tucson;

2

Male, Female;

3

Chair, Desktop, Keyboard, Mouse, Phone.