From: Interventions to improve the detection of depression in primary healthcare: systematic review
Areas of summary | Categories | Number of studies | Percent |
---|---|---|---|
Income level of countries of the included studies | |||
 | High income | 47 | 81.0 |
 | Middle income | 5 | 8.6 |
 | Low income | 6 | 10.3 |
Study design | |||
 | RCT | 18 | 31.0 |
 | Cluster RCT | 7 | 12.1 |
 | Before-after (pre-post) with control group | 5 | 8.6 |
 | Before-after (pre-post) with no control group | 28 | 48.3 |
Number of intervention groups | |||
 | One | 28 | 48.3 |
 | Two | 24 | 41.4 |
 | Three | 3 | 5.2 |
 | More than three | 3 | 5.2 |
Sample size | |||
 | < 100 | 23 | 39.7 |
 | 100–150 | 6 | 10.3 |
 | 151–250 | 6 | 10.3 |
 | > 250 | 23 | 39.7 |
Types of participants | |||
 | PHC workers | 26 | 44.8 |
 | Patients attending PHC | 16 | 27.6 |
 | PHC workers and patients attending PHC | 16 | 27.6 |
Sampling technique | |||
 | Purposive sampling | 20 | 34.5 |
 | Convenience sampling | 14 | 24.1 |
 | Random sampling | 19 | 32.8 |
 | Sampling technique not clear | 5 | 8.6 |
Type of intervention/treatment | |||
 | Clinician training (education) | 22 | 37.9 |
 | Screening | 9 | 15.5 |
 | Feedback (disclosure of screening results) | 7 | 12.1 |
 | Development and dissemination of guidelines/collaborative care package/quality improvement | 10 | 17.2 |
 | Request for anti-depressants | 1 | 1.7 |
 | Combination of interventions (education, screening, and feedback) | 9 | 15.5 |
Outcome measure | |||
 | Case vignette | 5 | 8.6 |
 | Screening tool | 36 | 62.1 |
 | Psychiatric interview | 6 | 10.3 |
 | Document review (chart audit) | 11 | 19.0 |
Global quality assessment of studies | |||
 | Strong | 14 | 24.1 |
 | Moderate | 30 | 51.7 |
 | Weak | 14 | 24.1 |