Description of included supermarkets and data in longitudinal analyses.

Description of included supermarkets and data in longitudinal analyses.</p

Association between alcohol intake and breast cancer defined by joint hormone receptor status.^¶

Association between alcohol intake and breast cancer defined by joint hormone receptor status.¶</p

Approaches to summarizing baseline characteristics in 32 papers identified in the review.

<p>Some papers used more than one approach and therefore contribute to more than one row of the table.</p

Summary of the cross-sectional association between presence and nature of checkout food policies and purchases of common checkout foods, estimated from linear regression models.

Summary of the cross-sectional association between presence and nature of checkout food policies and purchases of common checkout foods, estimated from linear regression models.</p

Meta-analysis: Association between checkout food policy implementation and purchases of common checkout foods, 12 months.

‘Best fit’ comparison group. CI, confidence interval.</p

Characteristics of breast cancer cases and controls.

Characteristics of breast cancer cases and controls.</p

Temporal availability of data used in longitudinal analysis, by supermarket.

Temporal availability of data used in longitudinal analysis, by supermarket.</p

Summary of the longitudinal associations between implementation of checkout food policies and purchases of common checkout foods, estimated from interrupted time series models (best-fit comparison group).

Summary of the longitudinal associations between implementation of checkout food policies and purchases of common checkout foods, estimated from interrupted time series models (best-fit comparison group).</p

Subcohort sampling fractions reported in each of 32 papers included in the review.

<p>Bars are labelled according to the number of the paper in the reference list in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0101176#pone.0101176.s002" target="_blank">Appendix S2</a>.</p

Meta-analysis: Association between checkout food policy implementation and purchases of common checkout foods, 4 weeks.

‘Best fit’ comparison group. CI, confidence interval.</p