Table 5. Summary of the Effect of Feedback from Screening on Patient Outcomes1
| Author, Year (Reference) |
Outcome Measured |
Outcome Data |
Absolute Difference
(95% CI) |
P Value2 |
| Intervention Group Value |
Control Group Value |
| Johnstone and Goldberg, 1976 (14)3 |
Mean months of depression in 1 year |
4.2 |
6.3 |
-2.1 (NR) |
< 0.01 |
| Moore et al., 1978 (15)3 |
NR |
NR |
NR |
NR |
|
| Linn and Yager, 1980 (16)4 |
NR |
NR |
NR |
NR |
|
| Zung and King, 1983 (17)5 |
Percentage of participants with <12-point decrease on SDS at 1 month |
33% |
65% |
-32% (-61% to -3%) |
0.04 |
| Magruder-Habib et al., 1990 (18) |
NR |
NR |
NR |
NR |
|
| Callahan et al., 1994 (19) and 1996 (21)5 |
Percentage of participants with HAM-D >
or = 10 at 6 months |
87% |
88% |
-1% (-11% to 9%) |
|
| Dowrick, 1995 (20)3 |
NR |
NR |
NR |
|
|
| Lewis et al., 1996 (22)3 |
Percentage of participants who had not improved at 6 weeks (GHQ score >
or = 2) |
69% |
74.5% |
-5 percentage points (-14 to 3 percentage points) |
|
| Reifler et al., 1996 (23)3 |
Zung SDS score |
6 |
6 |
6 |
|
| Williams et al., 1999 (11)3 |
Percentage of participants who were depressed at 3 months DSM-III-R criteria |
37% |
46% |
-8 percentage points (-21 to 4 percentage points) |
|
| Katzelnick et al., 2000 (12) 5 |
Percentage of participants who were depressed at 12 months (HAM-D >
or = 7) |
55% |
72% |
-18 percentage points (-27 to -8 percentage points) |
< 0.001 |
| Wells et al., 2000 (24)3 |
Percentage of participants who were depressed at 6 months |
55.4% |
64.4% |
-9 percentage points (-15 to -3 percentage points) |
0.005 |
| Whooley et al., 2000 (25) 3 |
Percentage of participants who were depressed at 24 months (GDS >
or = 6) |
42% |
50% |
-8 percentage points (-21 to 6 percentage points) |
>
0.2 |
| Rost et al., 2001 (13) 5 |
Mean change in CES-D score |
21.7 |
13.5 |
8.2 (NR) |
< 0.05 |
Note: CES-D indicates Center for Epidemiologic Study Depression scale; DSM-III-R, Diagnostic and Statistical Manual of Mental Disorders, third edition, revised; GDS, Geriatric Depression Scale; GHQ, General Health Questionnaire; HAM-D, Hamilton Depression Scale; NR, not reported and cannot be calculated from available data; SDS, Self-Depression Scale; SDDS, Symptom-Driven Diagnostic System for Primary Care.
1 All figures are rounded to nearest percentage.
2 P values were not always reported.
3 Denominator is patients who screened positive.
4 Denominator is all patients.
5 Denominator is patients who screened positive and were confirmed to have major depression on diagnostic interview.
6 No data were given; the investigators stated that there was "no difference for those screening positive for any disorder."
Return to Document
540 Gaither Road Rockville, MD 20850