Analysis number / Outcome | Effect measure | N studies | N participants (Int/contr) | Difference (95%CI) | P-valueA | Heterogeneity (I2) |
---|---|---|---|---|---|---|
4.1 Ethnicity (Most non-Caucasian) | Mean Diff | 2 | 208/202 | -0.49 (-0.97 to -0.01) | 0.046 | 0.0 |
4.2 Theoretical model stated: | Mean Diff | 4 | 309/291 | -0.43 (-0.79 to -0.08) | 0.017 | 52.1 |
4.3 Educator stated: Diabetes specialist nurse only | Mean Diff | 3 | 217/219 | -0.72 (-1.01 to -0.43) | 0.000 | 35.8 |
4.4 Educator stated: Dietician only | Mean Diff | 2 | 168/159 | -0.80 (-1.22 to -0.37) | 0.000 | 15.2 |
4.5 Educator stated: Studies with more than 1 instructor | Mean Diff | 6 | 365/375 | -0.27 (-0.53 to -0.02) | 0.038 | 0.0 |
4.6 Delivered as Primary care intervention | Mean Diff | 6 | 564/572 | -0.61 (-0.85 to -0.37) | 0.000 | 48.6 |
4.7 Both groups glycated haemoglobin 7 % & above at baseline | Mean Diff | 8 | 553/532 | -0.45 (-0.69 to -0.20) | 0.000 | 24.1 |
4.8 Studies with follow-up sessions/phone calls before 12 months | Mean Diff | 2 | 78/85 | -0.14 (-0.56 to 0.27) | 0.500 | 0.0 |
4.9 Studies with follow-up sessions/phone calls after 12 months | Mean Diff | 2 | 153/161 | -0.61 (-0.95 to -0.27) | 0.000 | 10.7 |
4.10 Delivery of education programme completed in 1-5 months | Mean Diff | 4 | 359/339 | -0.65 (-0.87 to -0.42) | 0.000 | 0.0 |
4.11 Delivery of education programme completed in 6-10 months | Mean Diff | 3 | 104/124 | -0.69 (-1.34 to -0.03) | 0.040 | 79.7 |
4.12 Delivery of education programme completed in 12 months | Mean Diff | 4 | 287/290 | -0.35 (-0.67 to -0.02) | 0.035 | 0.0 |
4.13 First quartile hours of education programme (8 hours or less) | Mean Diff | 3 | 202/212 | -0.55 (-0.86 to -0.23) | 0.001 | 11.2 |
4.14 Second quartile hours of education programme (9 to 12 hours) | Mean Diff | 3 | 225/225 | -0.39 (-0.81 to 0.03) | 0.068 | 57.4 |
4.15 Third quartile hours of education programme (13 to 18 hours) | Mean Diff | 2 | 71/54 | -0.69 (-1.74 to 0.37) | 0.201 | 66.2 |
4.16 Fourth quartile hours of education programme (19 to 52 hours) | Mean Diff | 3 | 252/262 | -0.73 (-1.08 to -0.38) | 0.000 | 27.8 |
4.17 Attendance rate less than 70 % | Mean Diff | 3 | 132/124 | -0.22 (-0.60 to 0.15) | 0.243 | 0.0 |
4.18 Number of participants in each group session between 5 & 10 | Mean Diff | 3 | 124/135 | -0.17 (-0.50 to 0.16) | 0.321 | 0.0 |
4.19 Number of participants in each group session between 14 & 18 | Mean Diff | 3 | 264/249 | -0.67 (-1.06 to -0.27) | 0.001 | 28.8 |
4.20 Family & friends included in group sessions | Mean Diff | 3 | 194/201 | -0.41 (-0.83 to 0.01) | 0.053 | 0.0 |
4.21 Number of sessions (5 or less) | Mean Diff | 4 | 244/258 | -0.52 (-0.75 to -0.28) | 0.000 | 0.0 |
4.22 Number of sessions (6 to 10) | Mean Diff | 4 | 265/255 | -0.76 (-1.04 to -0.48) | 0.000 | 28.0 |
4.23 Number of sessions (11 or more) | Mean Diff | 3 | 241/240 | -0.42 (-0.82 to -0.02) | 0.040 | 0.0 |