Table 4. Tukey's Honestly Significant Criterion results for significance in rPPG methods.

Difference of Method Levels	Difference of Means	SE of Difference	Simultaneous 95% CI	T-Value	Adjusted P-Value
Kumar et al. - CHROM	−2.600	0.836	(−4.745, −0.455)	−3.11	0.010
Lam et al. - CHROM	−4.560	0.836	(−6.705, −2.415)	−5.46	0.000
Proposed - CHROM	2.200	0.836	(0.055, 4.345)	2.63	0.042
Lam et al. - Kumar et al.	−1.960	0.836	(−4.105, 0.185)	−2.35	0.088
Proposed - Kumar et al.	4.800	0.836	(2.655, 6.945)	5.74	0.000
Proposed - Lam et al.	6.760	0.836	(4.615, 8.905)	8.09	0.000