Fig. 3.
Skin temperature and relative humidity of the face (Tface, A; and RHface, B; respectively) in the control and mask trials.
Values are presented as means ± SD. *, Significant difference between the control and mask trials, p<0.05. †, Significant difference from the baseline value in the control trial, p<0.05. §, Significant difference from the baseline value in the mask trial, p<0.05.
