Table 4.
Descriptives | |||||||
---|---|---|---|---|---|---|---|
Mean ES | Mean (SD) similarity rating (body areas) | Mean (SD) similarity rating (efficacy information) | Mean (SD) similarity rating (application mode) | R 2 | k | ||
−0.46 | 0.38 (1.9) | 0.46 (0.88) | 0.46 (2.03) | 0.3789 | 13 |
Homogeneity analysis | |||||||
---|---|---|---|---|---|---|---|
Q | df | P | T 2 | I2 | |||
Model | 7.0 | 3 | 0.07 | 0.021 | 57.1% | ||
Residual | 11.48 | 9 | 0.24 | 0.013 | 21.6% | ||
Total | 18.48 | 12 | 0.1 |
Regression coefficients | |||||||
---|---|---|---|---|---|---|---|
B | SE | −95% CI | +95% CI | Z | P | Beta | |
Constant | −0.42 | 0.19 | −0.79 | −0.06 | −2.25 | 0.02 | 0.0 |
Similarity: body areas addressed | 0.08 | 0.1 | −0.12 | 0.27 | 0.79 | 0.43 | 0.2 |
Similarity: information about treatment effectiveness provided to participants | 0.07 | 0.22 | −0.37 | 0.5 | 0.32 | 0.75 | 0.08 |
Similarity: application mode | −0.25 | 0.1 | −0.44 | −0.05 | −2.47 | 0.02 | −0.69 |
Method of moments random effects variance component | |||||||
v = 0.27 |
Means and variance of the similarity ratings included in the model are provided, having a possible range of −2 (different for all studies) to 2 (similar across all studies).