In the research by van der Wardt V et al, Promoting physical activity in primary care: a systematic review and meta-analysis. Br J Gen Pract 2021; DOI: https://doi.org/10.3399/BJGP.2020.0817, after publication it came to the authors’ attention that one further article should have been included in the review and the 12-month follow-up meta-analysis. The paper has been revised to include this paper: Harris T, Kerry SM, Victor CR, et al. A primary care nurse-delivered walking intervention in older adults: PACE (pedometer accelerometer consultation evaluation)-Lift cluster randomised controlled trial. PLoS Med 2015; 12(2): e1001783. There are changes to Figures 1 and 3, Table 1, and some text in the Results section. The corrected results did not change the overall findings, discussion, or conclusion. The online version has been corrected.
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