“…Although past research conducted with people who have IBD focused on single symptoms, symptoms co‐occur. For example, depression and anxiety were associated with pain (Schirbel et al, ), and sleep disturbance was associated with fatigue, depression, anxiety, and abdominal pain (Ananthakrishnan, Long, Martin, Sandler, & Kappelman, ; Banovic, Gilibert, & Cosnes, ; Banovic, Gilibert, Jebrane, & Cosnes, ; Benhayon et al, ; Graff et al, ; Jelsness‐Jorgensen, Bernklev, Henriksen, Torp, & Moum, ). In other chronic inflammatory conditions, such as heart disease and cancer, symptoms occur in clusters (Aktas, Walsh, & Rybicki, ; Dodd, Miaskowski, & Lee, ; Fan, Filipczak, & Chow, ), defined as two or more related symptoms that co‐occur (Fan et al, ).…”