Skip to main content

Table 2 Moderator analysis of HbA1c for diet AND physical activity BCTs

From: Behaviour change techniques targeting both diet and physical activity in type 2 diabetes: A systematic review and meta-analysis

    Effect size 95 % CI Effect size 95 % CI Subgroup analysis
BCT No. BCTs k present (absent) Present Lower limit Upper limit Absent Lower limit Upper limit Q P Difference
4.1 Instruction on how to perform a behaviour 13 (0) −0.549 −0.762 −0.337     0 1 −0.549
8.1 Behavioural practice/rehearsal 5 (8) −0.833 −1.251 −0.415 −0.416 −0.733 −0.1 2.423 0.12 −0.417
1.4 Action planning 12 (1) −0.585 −0.811 −0.36 −0.2 −0.922 0.522 0.996 0.318 −0.385
6.1 Demonstration of the behaviour 7 (6) −0.701 −0.997 −0.405 −0.358 −0.702 −0.013 2.201 0.138 −0.343
8.7 Graded tasks 7 (6) −0.653 −0.96 −0.346 −0.436 −0.785 −0.087 0.833 0.361 −0.217
2.2 Feedback on behaviour 7 (6) −0.641 −0.939 −0.343 −0.438 −0.792 −0.084 0.74 0.39 −0.203
12.3 Avoidance/reducing exposure to cues for the behaviour 4 (9) −0.694 −1.209 −0.179 −0.53 −0.848 −0.212 0.283 0.595 −0.164
2.3 Self-monitoring of behaviour 9 (4) −0.612 −0.894 −0.329 −0.453 −0.846 −0.06 0.414 0.52 −0.159
1.2 Problem solving 5 (8) −0.647 −1.111 −0.183 −0.539 −0.869 −0.208 0.139 0.709 −0.108
1.5 Review behaviour goal(s) 3 (10) −0.618 −1.09 −0.145 −0.551 −0.859 −0.242 0.054 0.816 −0.067
12.5 Adding objects to the environment 7 (6) −0.565 −0.854 −0.276 −0.542 −0.9 −0.183 0.01 0.921 −0.023
1.7 Review outcome goal(s) 3 (10) −0.536 −0.943 −0.129 −0.573 −0.861 −0.284 0.021 0.884 0.037
2.7 Feedback on outcome(s) of behaviour 3 (10) −0.53 −0.977 −0.082 −0.585 −0.888 −0.282 0.04 0.841 0.055
1.1 Goal setting (behaviour) 11 (2) −0.53 −0.772 −0.289 −0.654 −1.17 −0.138 0.182 0.67 0.124
12.1 Restructuring the physical environment 3 (10) −0.47 −1.022 0.081 −0.61 −0.923 −0.297 0.186 0.666 0.14
2.5 Monitoring outcome(s) of behaviour by others without feedback 5 (8) −0.44 −0.818 −0.061 −0.639 −0.942 −0.336 0.647 0.421 0.199
1.3 Goal setting (outcome) 10 (3) −0.472 −0.697 −0.247 −0.908 −1.408 −0.409 2.437 0.118 0.436
2.4 Self-monitoring of outcome(s) of behaviour 3 (10) −0.251 −0.633 0.131 −0.714 −0.99 −0.438 3.71 0.054 0.463
3.1 Social support (unspecified) 10 (3) −0.45 −0.678 −0.221 −0.92 −1.372 −0.468 3.309 0.069 0.47
9.1 Credible source 12 (1) −0.491 −0.709 −0.274 −1 −1.627 −0.373 2.254 0.133 0.509
  1. Meta-analysis (random effects model was used to assess the data)