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Fig. 2 | Archives of Public Health

Fig. 2

From: Transition of nighttime sleep duration and sleep quality with incident cardiovascular disease among middle-aged and older adults: results from a national cohort study

Fig. 2

The dose-response relationship between change in nighttime sleep duration, sleep quality and cardiovascular disease. Note. The lines represent incidence rate ratios (IRRs, solid lines) and 95% confidence intervals (CIs, long dashed lines) after multivariable adjustment for Model 3 based on the RCS models. The reference values (IRR = 1) were set at the 0 change point, and the knots were set at the 10th, 50th, and 90th percentiles of the x-axis variable. The histograms represent the distribution of concentrations of x-axis variable

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Archives of Public Health

ISSN: 2049-3258