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. Author manuscript; available in PMC: 2011 Nov 1.
Published in final edited form as: Nurs Res. 2010 Nov–Dec;59(6):380–388. doi: 10.1097/NNR.0b013e3181f84ee9

Table 4. Distribution of PHQ-9 and BDI-II Symptom Severity Categories†*.

PHQ-9 Symptom Categories
BDI-II Symptom Categories Minimal Mild Moderate Moderate Severe Severe
Minimal 52
(49.1%)
(81.2%)		 41
(38.7%)
(51.9%)		 12
(11.3%)
(14.5%)		 1
(0.9%)
(2.4%)		 0
Mild 11
(16.4%)
(17.2%)		 23
(34.3%)
(29.1%)		 27
(40.3%)
(32.5%)		 5
(7.5%)
(11.9%)		 1
(1.5%)
(2.7%)
Moderate 1
1.7%)
(1.6%)		 12
(20.3%)
(15.2%)		 27
(45.8%)
(32.5%)		 15
(25.4%)
(35.7%)		 4
(6.8%)
(10.8%)
Severe 0 3
(4.1%)
(3.8%)		 17
(23.3%)
(20.5%)		 21
(28.8%)
(50.0%)		 32
(43.8%)
(86.5%)
†

Mantel-Haenszel test for linear association with equally spaced and standardized midranks scoring: X2=172.6 and 172.0 respectively, df=1, p < .0001

*

n, (row %), (column %)