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Table 1 Descriptive statistics for psychosocial measures and HRV

From: Decreased self-reported receiving of social touch and social support predict loneliness in healthy adults

Psychological measures n Minimum Maximum Mean SD
Gender (female-male) 60-60     
Age (years) 120 18.0 28.0 21.9 2.2
PSQ score 120 0.0 7.0 3.3 2.1
Loneliness score 120 18.0 58.0 30.9 7.3
Social support score 120 42.1 100.0 81.8 13.0
Receiving touch score 120 14.0 75.0 35.2 14.5
Giving touch score 120 14.0 90.0 38.2 15.8
HRV n Minimum Maximum Median P25–75
SDNN (ms) 103 16.1 111.8 55.4 40.7–71.0
RMSSD (ms) 103 8.1 130.7 43.9 30.6–67.4
HF (ms2) 103 6.3 1416.1 216.9 96.8–509.5
LF (ms2) 103 28.3 1196.1 290.4 125.2–470.0
  1. PSQ Psychiatric Screening Questionnaire, HRV heart rate variability, SDNN standard deviation of the NN interval, RMSSD root mean square of successive differences, HF high-frequency component, LF low-frequency component