dat.BCT2009: A subset of data from Michie et al. (2009)
In metacart: Meta-CART: A Flexible Approach to Identify Moderators in Meta-Analysis

Description Usage Format Details References

The complete data consist of 101 studies reporting 122 interventions targeted at physical activity and healthy eating. In this subset of the data, the interventions that include at least one of the motivation-enhancing behaviour change techniques (BCTs) were selected (N = 106).

1	data(dat.BCT2009)

A data frame of 106 interventions with five motivation-enhancing behavior change techniques (BCTs).

study: The name of the intervention.
g: The effect size of each intervention.
vi: The sampling variance of the effect size.
T1: Indicating whether the BCT1 "Provide information about behavior-health link" was used by the intervention. "1" for used and "0" for not used.
T2: Indicating whether the BCT2 "Provide information on consequences" was used by the intervention. "1" for used and "0" for not used.
T3: Indicating whether the BCT3 "Provide information about other's approval" was used by the intervention. "1" for used and "0" for not used.
T4: Indicating whether the BCT4 "Prompt intention formation" was used by the intervention. "1" for used and "0" for not used.
T25: Indicating whether the BCT25 " Motivational interviewing" was used by the intervention. "1" for used and "0" for not used.

IMPORTANT: for questions about these data contact Xinru Li: x.li@math.leidenuniv.nl.

If you use these data, please refer to: Michie, S., Abraham, C., Whittington, C., McAteer, J., & Gupta, S. (2009). Effective techniques in healthy eating and physical activity interventions: a meta-regression. Health Psychology, 28(6), 690.

An application of (a preliminary version of) meta-CART to this data set is given in: Dusseldorp, E., Van Genugten, L., van Buuren, S., Verheijden, M. W., & van Empelen, P. (2014). Combinations of techniques that effectively change health behavior: Evidence from Meta-CART analysis. Health Psychology, 33(12), 1530.

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