Skip to main content
. 2022 Jan 18;19(3):1063. doi: 10.3390/ijerph19031063

Table A7.

Comparison of all face masks including face mask condition, sex, and the interaction term face mask condition x sex—linear mixed model 4.

Model Outcome Parameter Dependent Variable Degree of Freedom F-Value p-Value
4 PWC130 Face mask condition 3 8.718 <0.001
sex 1 14.252 0.001
Face mask condition × sex 3 0.448 0.719
SpO2 Face mask condition 3 8.718 <0.001
sex 1 14.252 0.001
Face mask condition × sex 3 0.448 0.719
tcPCO2 Face mask condition 3 8.718 <0.001
sex 1 14.252 0.001
Face mask condition × sex 3 0.448 0.719
Systolic blood presurre Face mask condition 3 8.718 <0.001
sex 1 14.252 0.001
Face mask condition × sex 3 0.448 0.719
Diastolic blood presurre Face mask condition 3 8.718 <0.001
sex 1 14.252 0.001
Face mask condition × sex 3 0.448 0.719
Breathing frequency Face mask condition 3 8.718 <0.001
sex 1 14.252 0.001
Face mask condition × sex 3 0.448 0.719
Perceived respiratory effort Face mask condition 3 17.287 <0.001
sex 1 7.938 0.008
Face mask condition × sex 3 2.799 0.044
Perceived physical exertion Face mask condition 3 1.134 0.339
sex 1 8.949 0.005
Face mask condition × sex 3 0.595 0.62
4 PWC150 Face mask condition 3 1.703 0.173
sex 1 14.001 0.001
Face mask condition × sex 3 2.215 0.93
SpO2 Face mask condition 3 0.191 0.902
sex 1 7.738 0.01
Face mask condition × sex 3 0.309 0.819
tcPCO2 Face mask condition 3 3.133 0.032
sex 1 1.649 0.21
Face mask condition × sex 3 0.883 0.455
Systolic blood presurre Face mask condition 3 0.881 0.456
sex 1 8.535 0.007
Face mask condition × sex 3 0.402 0.752
Diastolic blood presurre Face mask condition 3 0.17 0.916
sex 1 1.259 0.273
Face mask condition × sex 3 0.711 0.549
Breathing frequency Face mask condition 3 1.432 0.239
sex 1 1.409 0.244
Face mask condition × sex 3 2.522 0.063
Perceived respiratory effort Face mask condition 3 17.911 <0.001
sex 1 4.702 0.037
Face mask condition × sex 3 2.843 0.043
Perceived physical exertion at PWC150 Face mask condition 3 1.299 0.28
sex 1 8.223 0.007
Face mask condition × sex 3 0.634 0.595

Bonferroni corrected alpha level is 0.003. No statistically significant interactions of face mask condition with sex appeared.