Psychological interventions v usual care, education, waiting list, or attention control in type 2 diabetes mellitus*
| Outcomes at 1–6 months | Number of trials (n) | Standardised effect size (95% CI) | Absolute difference (CI) |
|---|---|---|---|
| *Abbreviations defined in glossary. Results based on a random effects model. | |||
| †Not significant. | |||
| Glycated haemoglobin | 12 (522) | −0.32 (−0.57 to –0.07) | −0.76% (−1.34 to –0.18) |
| Blood glucose | 8 (314) | −0.11 (−0.65 to 0.42)† | −0.20 mmol/l (−1.34 to 0.91)† |
| Body weight | 9 (455) | 0.37 (−0.18 to 0.93)† | |
| Psychological distress | 5 (197) | −0.58 (−0.95 to –0.20) | |
