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. 2015 Jun;32(3):288-96.
doi: 10.1093/fampra/cmv009. Epub 2015 Mar 5.

12-Month naturalistic outcomes of depressive disorders in Hong Kong's primary care

Weng Yee Chin  1 , Kit T Y Chan  2 , Cindy L K Lam  2 , Eric Y F Wan  2 , Tai Pong Lam  2
Affiliations

12-Month naturalistic outcomes of depressive disorders in Hong Kong's primary care

Weng Yee Chin et al. Fam Pract. 2015 Jun.

Abstract

Background: In Asia, the role of primary care physicians (PCPs) in mental health delivery is not clearly defined and what happens to patients following a depressive episode remains poorly understood.

Objective: To examine the 12-month naturalistic outcomes of depression in primary care and the impact of PCP identification.

Methods: A cohort study was conducted. A total of 10179 adults were consecutively recruited from the waiting rooms of 59 PCPs across Hong Kong to complete a survey which screened for depression. Blinded doctors provided data on their diagnosis and management; 539 screened-positive and 3819 screened-negative subjects consented to telephone follow-up at 3, 6 and 12 months. Study instruments included Patient Health Questionnaire-9, Centre for Epidemiologic Studies Depression Scale 20 and Short-Form Health Survey Version 2.0 (SF-12v2) and self-reported mental health and primary care service use.

Results: 12-month remission rate was 60.31%. PCP detection had no association with remission. Identified patients had poorer health-related quality of life (HRQOL) at baseline but a faster rate of recovery in SF-12v2 mental component scores. PCP detection was associated with greater mental health service use at 12, 26 and 52 weeks, while GP consultation rates were only increased at 12 weeks.

Conclusions: Over 1 year, ~60% of depressed patients experience symptom resolution, while 40% continue to suffer a chronic or remitting course of illness. Identification of depression by a PCP does not appear to affect remission of mood symptoms at 12 months, but is associated with a faster rate of recovery of HRQOL. PCP detection raises GP consultation rates temporarily however appears to enable more patients to access mental health services over 12 months.

Keywords: Chinese; Hong Kong; cohort study; depressive disorders; primary care.

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Figures

Figure 1.
Figure 1.
Patient recruitment flowchart.
See this image and copyright information in PMC

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