The COVID-19 Pandemic Mental Health Questionnaire (CoPaQ): psychometric evaluation and compliance with countermeasures in psychiatric inpatients and non-clinical individuals

Table 7 Descriptive statistics and differences of the independent variables

	Clinical sample		Non-clinical sample
Subscales	Mean (SD)	range	Mean (SD)	range	p	SMD	95% CI_bootstrapped
DASS-21
General anxiety	12.02 (9.98)	0–40	6.58 (6.88)	0–28	< 0.001***	−0.605	− 0.83, − 0.38
R-GPTS
Paranoia	10.04 (13.10)	0–61	9.96 (9.57)	0–47	0.958	−0.007	− 0.25, 0.28
CoPaQ
COVID-19 conspiracy beliefs	3.49 (4.76)	0–19	3.50 (4.10)	0–16	0.976	0.004	−0.25, 0.28
COVID-19 institutional & political trust	11.43 (4.88)	0–20	10.88 (6.20)	0–20	0.461	−0.098	−0.36, 0.16
COVID-19 physical health risk factors	0.98 (1.17)	0–5	0.62 (1.19)	0–7	0.022*	−0.304	−0.59, − 0.04
COVID-19 contamination anxiety	5.93 (3.46)	0–16	6.61 (3.94)	0–16	0.169	0.183	−0.07, 0.44

SD Standard Deviation, SMD Standardised Mean Difference, CI_bootstrapped Confidence Interval_bootstrapped (5000 times)

ISSN: 1471-244X