. Author manuscript; available in PMC: 2017 May 1.

Published in final edited form as: Obstet Gynecol. 2016 May;127(5):917–925. doi: 10.1097/AOG.0000000000001403

Table 3.

Depressive symptom improvement measures comparing the highest (up to 90 days postpartum) and last (within 180 days postpartum) PHQ-9 scores for women screened and given a new depression diagnosis, for Phases 2 and 3 of Implementation of the Universal Perinatal Depression Screening Program

	Phase 2: Roll-out	Phase 3: Fully-implemented
Total N with a New Depression Diagnosis	3,219	4,865
Women with a Follow-up PHQ-9	1803	3563
Follow-up PHQ-9 <10	1426(79.1%)	2912(81.7%)
≥50% improvement in symptoms^*	1039(59.4%)	2080(60.2%)
Improvement of at least 5 points^*	882(50.7%)	1685(48.7%)

For Phase 2: denominator is 1751 (52 women were excluded due to the highest PHQ-9 score being equal to 0), For Phase 3: denominator is 3454 (109 women were excluded due to highest PHQ-9 score being equal to 0)