Cognitive testing of the PHQ-9 for depression screening among pregnant and postpartum women in Kenya.
Jennifer VellozaJohn NjorogeKenneth NgureNicholas ThuoCatherine KiptinnessRichard MomanyiSnaidah AyubStephen GakuoNelly MugoJane SimoniRenee HeffronPublished in: BMC psychiatry (2020)
We detected several problems related to PHQ-9 comprehension, decision processes, and response processes. We provide recommended changes to instructions and item wording to improve PHQ-9 validity among Kenyan women.