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. Author manuscript; available in PMC: 2021 Jul 27.
Published in final edited form as: J Psychopathol Behav Assess. 2018 Jun 1;40(4):593–605. doi: 10.1007/s10862-018-9685-3

Table 3.

Conditional effects of child respiratory sinus arrhythmia reactivity (RSA; ms2) on ADHD outcome by level of the moderator (parent positive/negative affect expression) when averaging across the parent-child interaction tasks

Outcome Parent affect* RSA b SE z 95% CI p
  Positive          
ADHD diagnosis − 1 SDa 0.10 .67 0.15 −1.21, 1.41 .88
  Mean −0.81 .45 −1.72 −1.73, 0.11 .09
  1 SDb −1.72 .79 −2.17 −3.26, −0.17 .03*
  Negative          
ADHD diagnosis − 1 SDa 0.32 .44 0.72 −0.55, 1.19 .47
  Mean −0.81 .28 −0.29 −0.64, 0.47 .77
  1 SDb −0.48 .736 −1.33 −1.18, 0.24 .19

Differing superscripts (*) indicate significance p < .05; simple effects are presented based on the mean and ± 1 SD for illustrative purposes only. Continuous measures of parent affect and respiratory sinus arrhythmia were utilized in all analyses.

a

−1 SD below the mean indicates excess withdrawal in response to the task.

b

1 SD above the mean indicates average withdrawal or augmentation of RSA in response to the task