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. 2016 Aug 31;4:e2397. doi: 10.7717/peerj.2397

Table 3. Mixed ANOVA (n = 5) on gender and pillow height conditions demonstrating no significant interactions between the factors.

H0 H1 H2 H3 Significance of interaction
Cranial region
Average pressure Male 4.30 (1.12) 4.27 (0.86) 4.17 (0.78) 5.61 (0.76)
Female 4.09 (0.80) 4.76 (1.11) 5.59 (0.67) 6.24 (0.66) 0.141
Peak pressure Male 11.75 (4.99) 10.56 (2.76) 10.44 (1.00) 15.91 (4.15)
Female 11.82 (2.38) 13.06 (3.95) 14.04 (1.36) 16.15 (4.41) 0.505
Cervical region
Average pressure Male 4.16 (0.61) 5.01 (0.91) 6.01 (0.91) 6.34 (1.39)
Female 3.85 (0.34) 5.77 (1.25) 7.18 (1.16) 6.47 (0.98) 0.202
Peak pressure Male 9.46 (1.63) 12.15 (2.67) 13.84 (3.18) 19.96 (5.29)
Female 11.70 (4.83) 17.31 (4.66) 19.76 (2.14) 20.92 (6.26) 0.425

Notes.

Unit: kPa.