Table 4.

Comparison of levels of affective disorder between the 2 groups before and after intervention.

Group	Count, n	TAS-20a, mean (SD)		t test (df)	P value
		Before interventionb	After interventionc
Control group	60	60.54 (9.72)	57.43 (7.55)	1.953 (59)	.05
Online feedback group	60	59.19 (10.04)	51.54 (6.67)	4.916 (59)	<.001

^aTAS-20: Toronto Alexithymia Scale.

^bt₅₉=0.748; P=.46.

^ct₅₉=–4.529; P<.001.