Additive interaction, total effect, and relative interaction for selected risk-factor pairs on poor PCS and poor MCS.

For each pair, interaction and total effect are weighted averages (and ranges) across BN_insomnia (INSOMNIA→PSS) and BN_pss (PSS→INSOMNIA) with weights 0.56 and 0.44, respectively. Relative interaction is the ratio of additive interaction to total effect.针对每一组配对，交互效应与总效应均为基于失眠贝叶斯网络（Bayesian Network，BN_insomnia，即INSOMNIA→PSS）与感知压力量表贝叶斯网络（BN_pss，即PSS→INSOMNIA）计算得到的加权平均值及取值范围，二者对应的权重分别为0.56与0.44。相对交互效应为相加交互作用与总效应的比值。