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. 2016 Jun 27;18(6):e156. doi: 10.2196/jmir.5726

Table 2.

Country-based prevalence of undiagnosed higher risk of depression using the PHQ-9 threshold of 11.


Country

Australia Canada New Zealand United Kingdom United States Total
Low depressive symptoms (PHQ 11) 206 (67.3%) 390 (71.8%) 66 (72.5%) 774 (69.9%) 368 (74.0%) 1804 (70.9%)
High depressive symptoms (PHQ 11) 100 (32.7%) 153 (28.2%) 25 (27.5%) 334 (30.1%) 129 (26.0%) 741 (29.1%)