Skip to contents

A study by Elliot and others (2007) on the effects of an intervention on healthy dietary behavior mediated by knowledge of healthy dietary behavior. This data was used as an empirical example in Yuan and MacKinnon (2009) and Wu and Jia (2013).

Usage

elliot2007

Format

A data frame with 354 cases and 3 variables:

x

Intervention group membership.

m

Knowledge of healthy dietary behavior (knowledge post-intervention minus knowledge pre-intervention).

y

Healthy dietary behavior (behavior post-intervention minus behavior pre-intervention).

References

Elliot, D. L., Goldberg, L., Kuehl, K. S., Moe, E. L., Breger, R. K., & Pickering, M. A. (2007). The PHLAME (Promoting Healthy Lifestyles: Alternative Models' Effects) firefighter study: Outcomes of two models of behavior change. Journal of occupational and environmental medicine, 49(2), 204-213. doi:10.1097/JOM.0b013e3180329a8d

Wu, W., & Jia, F. (2013). A new procedure to test mediation with missing data through nonparametric bootstrapping and multiple imputation, Multivariate Behavioral Research, 48(5), 663-691. doi:10.1080/00273171.2013.816235

Yuan, Y., & MacKinnon, D. P. (2009). Bayesian mediation analysis. Psychological methods, 14(4), 301-322. doi:10.1037/a0016972