Table 2. Statistical results of F1 and F2

F1	Estimate	SE	t-value	Pr (>| t |)
(Intercept)	405.27	18.25	22.31	<.001***
Gender fem	55.40	17.95	3.09	.004**
Place cor	−18.25	20.14	−0.91	.364
Place lab	−9.87	19.75	−0.54	.617
Group biling	−25.80	18.70	−1.38	.172

F2	Estimate	SE	t-value	Pr (>| t |)
(Intercept)	1,510.12	22.10	71.95	<.001***
Gender fem	250.35	23.95	10.45	<.001***
Place cor	115.42	27.81	4.15	<.001***
Place lab	−58.66	26.44	−2.21	.027*
Group biling	26.52	15.49	1.73	.084

p<0.05,
p<0.01,
p<0.001.