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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: J Urol. 2019 Mar;201(3):606–614. doi: 10.1016/j.juro.2018.07.064

Figure 4. Association between awareness of water intake goals and daily water intake volume.

Figure 4.

Linear mixed-effects models were used to determine the association between momentary awareness of daily water intake goals on a Likert scale and daily water intake. Models included a random intercept for each patient and adjusted for age, sex, weekday indicator, time of prompt (morning, noon, afternoon, evening), and prior kidney stone passage or surgery. We assumed every participant always responded affirmatively to each level of agreement with the statement: “I know how much water I am supposed to drink today.” to estimate daily water intake, proportion of daily water goal met, and proportion of participants who met the daily water goal ≥4 days. The histograms represent the frequency of estimated daily water intake volume for each level of agreement. The reported differences and p-values reflect comparisons of estimated daily water intake for each level of agreement with “disagree”