Skip to main content

Table 4 Repeated measures ANOVA on differences in heart rate and HRV indices between before and after lighting

From: Suppression of vagal cardiac modulation by blue light in healthy subjects

  Main effect Interaction
Color (DF = 2) Time (DF = 1)a Time × Color (DF = 2)
F value P F value P F value P
Heart rate 0.07 0.93 0.27 0.62 0.06 0.94
LF power 0.36 0.70 6.67 0.022 0.29 0.75
HF power 4.63 0.030 22.38 <0.001 1.98 0.18
LF/HF 1.70 0.22 12.71 0.004 0.17 0.84
  1. Abbreviations are explained in the footnote found in Table 2
  2. aEffect of time between before and after lighting