|  | Effect size 95 % CI | Effect size 95 % CI | Subgroup analysis | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Intervention Features | k present (absent) | Present | Lower limit | Upper limit | Absent | Lower limit | Upper limit | Q | P | Difference |
Mode | ||||||||||
 Supervised physical activity component | 5 (8) | −0.94 | −1.323 | −0.558 | −0.368 | −0.631 | −0.106 | 5.852 | 0.016 | −0.572 |
 Individual face to face | 6 (7) | −0.545 | −0.885 | −0.204 | −0.576 | −0.905 | −0.247 | 0.017 | 0.897 | 0.031 |
 Group sessions only | 5 (8) | −0.856 | −1.218 | −0.495 | −0.408 | −0.643 | −0.172 | 4.16 | 0.041 | −0.448 |
 Combination of group and individual sessions | 4 (9) | −0.545 | −1.013 | −0.077 | −0.588 | −0.914 | −0.263 | 0.022 | 0.881 | 0.043 |
 Individual contact only | 4 (9) | −0.349 | −0.712 | 0.015 | −0.661 | −0.93 | −0.393 | 1.841 | 0.175 | 0.312 |
Frequency | ||||||||||
 Frequency of total contacts (median = 1.73)a | 7 (6) | −0.828 | −1.083 | −0.574 | −0.17 | −0.456 | 0.116 | 11.358 | 0.001 | −0.658 |
 Frequency of total contacts (mean 2.61)a | 10 (3) | −0.705 | −0.932 | −0.479 | −0.101 | −0.469 | 0.268 | 7.501 | 0.006 | −0.604 |
 Frequency of face to face contacts (median 1.96)a | 6 (7) | −0.934 | −1.316 | −0.552 | −0.313 | −0.627 | 0.001 | 6.061 | 0.014 | −0.621 |
 Frequency of face to face contacts (mean 3.13)a | 8 (5) | −0.764 | −1.089 | −0.438 | −0.322 | −0.678 | 0.034 | 3.224 | 0.073 | −0.442 |
Provider | ||||||||||
 Contact with exercise physiologist, trainer | 6 (7) | −0.762 | −1.124 | −0.401 | −0.398 | −0.73 | −0.066 | 2.12 | 0.145 | −0.364 |
 Combination of dietitian and exercise physiologist | 4 (9) | −0.778 | −1.222 | −0.334 | −0.466 | −0.778 | −0.155 | 1.272 | 0.259 | −0.312 |
 Contact with dietitian/ nutritionist | 10 (3) | −0.488 | −0.677 | −0.219 | −0.886 | −1.316 | −0.455 | 3.093 | 0.079 | 0.398 |
 Interventionist other than dietitian, exercise physiologist, i.e. nurse, doctor | 4 (9) | −0.477 | −0.848 | −0.046 | −0.628 | −0.928 | −0.327 | 0.5 | 0.48 | 0.151 |
Intensity | ||||||||||
 Intensity: number of face to face contacts (median (16)a | 7 (6) | −0.804 | −1.144 | −0.465 | −0.32 | −0.66 | 0.02 | 3.9 | 0.048 | −0.484 |
 Intensity: number of face to face contacts (mean (20.2)a | 4 (9) | −0.784 | −1.261 | −0.307 | −0.481 | −0.79 | −0.172 | 1.092 | 0.296 | −0.303 |
 Intensity: number of total contacts with intervention personnel (median (25.5)a | 7 (6) | −0.609 | −0.905 | −0.314 | −0.479 | −0.842 | −0.117 | 0.297 | 0.585 | −0.13 |
 Intensity: number of total contacts with intervention personnel (mean (29.2) | 5 (8) | −0.75 | −1.075 | −0.426 | −0.39 | −0.684 | −0.097 | 2.599 | 0.107 | −0.36 |
Other | ||||||||||
 Use of theory/model to inform intervention | 3 (10) | −0.483 | −0.994 | 0.029 | −0.567 | −0.807 | −0.327 | 0.086 | 0.769 | 0.084 |
 Baseline HbA1c levels >8%b | 5 (8) | −0.943 | −1.397 | −0.49 | −0.441 | −0.677 | −0.205 | 3.707 | 0.054 | −0.502 |
 Baseline HbA1c levels >7%b | 12 (1) | −0.608 | −0.837 | −0.379 | −0.13 | −0.754 | 0.494 | 1.983 | 0.159 | −0.478 |
 Number of BCT's Median (11)c | 6 (7) | −0.469 | −0.806 | −0.131 | −0.627 | −0.932 | −0.323 | 0.469 | 0.494 | 0.158 |
 Number of BCT's Mean (14.85)c | 4 (9) | −0.694 | −1.209 | −0.179 | −0.53 | −0.848 | −0.212 | 0.283 | 0.595 | −0.164 |