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. 2022 Jan 18;43(6):2041–2050. doi: 10.1002/hbm.25772

FIGURE 2.

FIGURE 2

Network connectivities mediated the relationship between total sleep disturbance and mental problems (a and b) and the relationship between mental problems and total sleep disturbance (c and d). (a) Diagram of the first set of mediation models. These models test whether identified network connectivities (DMN‐DAN, DMN‐DMN, and DAN‐DAN) mediated the effect of TSD on MP (see Section 2 for details). (b) Bar graph of mediation effects of the three network connectivities in the first set of mediation models. All beta of path a * b was significant (all p < .005). (c) Diagram of the second set of mediation models, these models test whether identified network connectivities (DMN‐DAN, DMN‐DMN, and DAN‐DAN) mediated the effect of MP on TSD (see Section 2 for details). (d) Bar graph of mediation effects of the three network connectivities in the second set of mediation models. Only DMN‐DMN mediated the effect of MP on TSD (p < .05). *p < .05; **p < .01; ***p < .001. DAN, dorsal attention network; DMN, default mode network; MP, mental problems; TSD, total sleep disturbance