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. Author manuscript; available in PMC: 2011 May 24.
Published in final edited form as: Pediatrics. 2010 Apr 5;125(5):e1097–e1103. doi: 10.1542/peds.2009-2712

Table 3.

PHQ-2 Criterion Validity

PHQ-2 <3 N = 323 (72.9%) PHQ-2 ≥ 3 N = 120 (27.1) T-test (d.f. = 440) P value
CIS Score (mean (SD)) 11.9 (8.2) 23.1 (7.1) 13.16 <.0001
Parent Reported Internalizing Symptoms (PSC-17) (mean(SD)) 3.0 (2.2) 4.8 (2.4) 7.70 <.0001
Parent-reported psychosocial Impairment (PSC-17) (mean(SD)) 17.4 (10.4) 25.2 (11.0) 6.88 <.0001