Table 2.

PHQ-9 ICC for Each Group Formed According to Administration Procedure Order and Administration Procedure

	PHQ-9	PHQ-9
	ICC (Consistency)	ICC (Absolute Agreement)
ST (n=118)	0.94	0.93
TS (n=113)	0.91	0.91
ST+TS (n=231)	0.92	0.92
TT (n=58)	0.93	0.92
SS (n=57)	0.92	0.92

ST, self-administered/telephone-administered; TS, telephone-administered/self-administered; ST+TS, sum of the ST and TS groups; TT, telephone-administered/telephone-administered; SS, self-administered/self-administered; ICC, intraclass correlation coefficient; PHQ-9, Patient Health Questionnaire-9.