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. Author manuscript; available in PMC: 2016 Nov 9.
Published in final edited form as: Behav Res Ther. 2016 Aug 17;85:43–52. doi: 10.1016/j.brat.2016.08.007

Table 1.

Sample descriptives and correlations for mood and interoception indicators.

Indicator Mean SD Correlation with IA
Heartbeat counting accuracy 63.04 17.28
MASQ-S – total score 126.42 29.9 −0.38b
MASQ-S – general distress 44.92 14.40 −0.38b
MASQ-S – anxious arousal 25.73 7.56 −0.23a
MASQ-S – anhedonia 55.77 13.32 −0.32b
RSQ-RSS - brooding 10.03 3.55 −0.18
RSQ-RSS – pondering 8.97 3.34 −0.08
Time perception % accuracy 61.57 9.34 −0.42b
Body mass index 26.70 6.16 −0.08
Resting HR (bpm) 75.39 10.13 −0.25a
Resting HR estimate (bpm) 56.78 24.01 0.31b
HR variability (SDNN) 69.66 27.54 0.18
Physical activity (min/week) 244.18 181.52 0.19
Blood pressure (Systolic) 118.90 12.18 −0.00
Blood pressure (Diastolic) 69.56 8.58 0.09
Skin conductance (spontaneous fluctuations/min) 3.38 4.04 0.04

Note: MASQ-S = Mood and Anxiety Symptom Questionnaire – Short Form; RSQ-RSS = Response Styles Questionnaire – Ruminative Response Scale; IA = Interoceptive Awareness (indexed by heartbeat counting accuracy); bpm = beats per minute; HR = heart rate; SDNN = Standard deviation of normal-to-normal R-R intervals.

a

Correlation is significant at the 0.05 level (2-tailed).

b

Correlation is significant at the 0.01 level (2-tailed).