| Nitems | α | Pretest mean (SD) | Post-test mean (SD) | t | df | p | Effect size Cohen’s d |
---|---|---|---|---|---|---|---|---|
(n = 25) | (n = 25) | |||||||
Individual level | Â | Â | Â | Â | Â | Â | Â | Â |
 Attention paid to the guideline | 2 | 0.70 | 3.3 (0.6) | 4.0 (0.6) | −4.047 | 24 | .000** | 1.17c |
 Compatibility with way of working | 4 | 0.70 | 3.3 (0.6) | 3.5 (0.6) | −1.342 | 24 | .192 | 0.33b |
 Compatibility with patient demands | 3 | 0.78 | 3.2 (0.8) | 3.6 (0.5) | −3.166 | 24 | .004** | 0.60c |
 Flexibility of the guideline | 5 | 0.87 | 3.5 (0.6) | 3.8 (0.5) | −2.120 | 24 | .045* | 0.54b |
 Communicability of the guideline | 3 | 0.82 | 4.0 (0.6) | 4.2 (0.5) | −1.454 | 24 | .159 | 0.36b |
 Visibility of results of the guideline | 4 | 0.89 | 2.9 (0.8) | 3.3 (0.8) | −2.520 | 24 | .019* | 0.50b |
 Feeling pride/confidence | 6 | 0.86 | 3.0 (0.7) | 3.6 (0.6) | −4.688 | 24 | .000** | 0.92c |
 Feeling uncomfortable | 6 | 0.81 | 3.0 (0.6) | 2.5 (0.5) | 3.594 | 24 | .001** | - 0.90c |
 Self-efficacy to apply questionnaires (behavioural SE) | 5 | 0.71 | 3.5 (0.6) | 4.0 (0.5) | −4.804 | 24 | .000** | 0.90c |
 Self-efficacy to overcome barriers (tensional SE) | 2 | 0.82 | 3.0 (0.8) | 3.6 (0.8) | −3.343 | 24 | .003** | 0.75c |
 Self-efficacy towards perceived social pressure (social SE) | 5 | 0.84 | 3.6 (0.5) | 3.9 (0.5) | −2.031 | 23 | .031* | 0.60c |
 Self-efficacy to explain hands off policy to patients | 1 | -- | 3.8 (0.7) | 4.2 (0.6) | −1.995 | 24 | .058 | 0.61c |
 Self-efficacy to deal with psychosocial factors | 1 | -- | 3.5 (1.0) | 3.9 (0.7) | −2.089 | 24 | .047* | 0.46b |
 Potential losses | 5 | 0.85 | 2.0 (0.6) | 1.7 (0.7) | 1.815 | 24 | .082 | - 0.46b |
 Social norm of colleagues | 2 | 0.72 | 2.8 (0.8) | 3.4 (0.8) | −3.055 | 24 | .005** | 0.75c |
 Social norm: perceived behaviour of peers | 1 | -- | 2.9 (1.2) | 3.3 (1.2) | −1.809 | 24 | .083 | 0.33b |
 Motivation to comply with colleagues | 3 | 0.58 | 3.1 (0.7) | 3.4 (0.7) | −2.413 | 24 | .024** | 0.43b |
 Social norm of patient | 1 | -- | 2.7 (1.1) | 2.8 (0.8) | −0.146 | 24 | .885 | 0.10a |
 Motivation to comply with patient | 1 | -- | 4.1 (0.7) | 4.0 (0.8) | 1.000 | 24 | .327 | - 0.13a |
 Barriers logistic | 5 | 0.81 | 2.6 (0.7) | 2.3 (0.9) | 1.394 | 24 | .176 | - 0.37b |
 Barriers working part time | 1 | -- | 1.5 (0.8) | 1.4 (0.7) | 0.225 | 24 | .824 | - 0.13a |
 Barriers market directed care | 1 | -- | 2.2 (1.0) | 2.0 (1.1) | 1.238 | 24 | .228 | - 0.19a |
 Incompatibility other guidelines | 2 | 0.69 | 2.0 (0.7) | 1.8 (0.7) | 1.429 | 24 | .166 | - 0.29a |
 Feeling uncertain about position | 3 | 0.76 | 2.4 (0.6) | 1.9 (0.6) | 2.850 | 24 | .009** | - 0.83c |
Practice level | Â | Â | Â | Â | Â | Â | Â | Â |
 Regular deliberative meetings | 1 | -- | 3.4 (1.0) | 3.9 (0.6) | −2.701 | 24 | .012* | 0.61c |
 Practice arrangements about treatment of patients with low back pain | 1 | -- | 2.6 (1.4) | 3.5 (1.3) | −3.366 | 24 | .003** | 0.67c |
 Guideline is part of practices routine | 1 | -- | 3.0 (0.9) | 3.3 (1.1) | −1.572 | 24 | .129 | 0.30a |
 Arrangements with other disciplines | 2 | 0.82 | 2.3 (1.1) | 2.6 (1.3) | −1.664 | 23 | .110 | 0.25a |
 Culture of education/training | 1 | -- | 4.3 (0.7) | 4.2 (0.7) | 0.527 | 24 | .603 | - 0.14a |
 Handling measurement instruments | 1 | -- | 2.4 (0.9) | 3.3 (1.1) | −4.028 | 24 | .000** | 0.90c |
 Availability guidelines/instruments | 3 | 0.79 | 4.5 (0.6) | 4.6 (0.5) | −1.372 | 24 | .183 | 0.20a |
 Supportive practice culture | 3 | 0.65 | 4.4 (0.5) | 4.4 (0.5) | 0.249 | 24 | .805 | 0.0 |