Table 1.

Sample characteristics (N = 749)

	Value
Age, mean (SD), range, years	35.38 (11.67), 18–75
PHQ-9, mean (SD), range	8.42 (6.35), 0–27
PROMIS, mean (SD), range	18.13 (6.80), 7–35
IUS-SF, mean (SD), range	32.43 (10.556), 12–60
OCI-R, mean (SD), range	16.21 (13.96), 0–69
PHQ-15, mean (SD), range	8.68 (5.07), 0–28
CSS, mean (SD), range	72.98 (22.98), 37–150
Sex (female), %	69.07
Education, %
Not completed high school education (12 years)	2.13
Completed vocational training	6.53
Completed high school education (12 years)	26
Any university-level education (not necessarily completed)	65.2
CIUS scores, %
0–21	69.8
22–54	30.2

PHQ-9, Patient Health Questionnaire-9; PROMIS, Patient-Reported Outcomes Measurement Information System Emotional Distress − Short Form Questionnaire; IUS-SF, Intolerance of Uncertainty Scale, 12-item version; OCI-R, Obsessive-Compulsive Inventory Revised; PHQ-15, Patient Health Questionnaire-15 Somatic Symptom Severity Scale; CSS, Cyberchondria Severity Scale; CIUS, Compulsive Internet Use Scale.