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. 2020 Mar 19;98(2):297–371. doi: 10.1111/1468-0009.12451

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© 2020 The Authors. The Milbank Quarterly published by Wiley Periodicals LLC on behalf of The Millbank Memorial Fund

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Trial Duration and Timing of Health Measurement (N = 38 Interventions)^a

^aFor each trial, the shaded area indicates the trial duration in years, and the diamond (♦) indicates the latest health outcome measurement available.