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backpaincoda

Repository containing code and files to generate the supplementary material for the article: "Are reallocations of time between physical activity, sedentary behaviour, and sleep associated with low back pain? A compositional data analysis." [under journal review]

Repository file structure

  • In the top level directory there is:
    • The R analysis script back-pain.R that performs all the pre-processing of the data, the analysis and output of results/figures
    • back-pain.pdf is the supplementary material as a transcript of the R session (code and outputs) to perform the pre-processing of the data, the analysis and output of results/figures
    • The .qmd file back-pain.qmd is the Quarto (Rmarkdown/Jupiter Notebook-esque documents) that generates the corresponding *.pdf document back-pain.pdf
  • dat/ contains the analysis data
  • res/ contains the results used for the time-use reallocation plots/predictions with 95% bootstrapped confidence intervals
  • fig/ contains stand alone, 600 dpi .png images of the time-use reallocation plots/predictions (see example embedded below)

Figures

The generated figures can be found in the fig/ directory.

Figure: Associations of reallocating time between 24-hour movement behaviours with the intensity of low back pain (n = 1660). The analyses were adjusted for age, sex, body mass index, smoking, stress, education, and socio-economic status. SB, sedentary behaviour; LPA, light physical activity; MVPA, moderate-to-vigorous physical activity. Note that absolute difference estimates (% intensity scale) are based upon an 'average' participant in the sample and may will differ for different participant covariates.