Impact of increasing the relative availability of meat-free options on food selection: two natural field experiments and an online randomised trial.

This analysis suggested a decreasing trend over time (− 0.32, 95%CIs: − 0.57, − 0.07, p = 0.017), but no evidence of a change in time trend following the menu change (0.54, 95%CIs: − 0.04, 1.12, p = 0.066) (see Supplementary Fig.

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