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Figure 1 | BMC Gastroenterology

Figure 1

From: Sleep problems and functional disability in children with functional gastrointestinal disorders: An examination of the potential mediating effects of physical and emotional symptoms

Figure 1

Three major theoretical models. Theoretical models: a. M1. Correlational model (χ 2, p=0.18, good model fit). b. M2. Simple model (χ 2, p=0.24, good model fit). c. M3. Causal model (χ 2, p=0.24, good model fit). Note. Paths with significant partial regression coefficient or correlation coefficient (p<0.05) represented by solid lines; non-significant paths represented by dashed lines.

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