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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: Gastroenterol Nurs. 2020 Jan-Feb;43(1):28–39. doi: 10.1097/SGA.0000000000000383

Figure 3(A & B).

Figure 3(A & B)

Within-woman relationships between abdominal pain and fatigue, with psychological distress as a mediator (Model-A & Model-B).

Note. X indicates a mean severity of abdominal pain; M indicates a mean severity of psychological distress; Y indicates a mean severity of fatigue; ‘t’ indicates on day t; ‘t +1’ indicates on day (t + 1)’; Total effect of X on Y: c; Direct effect of X on M: a; Direct effect of M on Y after controlling for X: b; Direct effect of X on Y after controlling for M: c′; Indirect effect of X on Y: c - c′ = ab.