Table 4.

Descriptive statistics of the Generalized Anxiety Disorder 7-item scale (GAD-7) in adults (N = 821) employed in 4 economic sectors (health care, education, IT, public administration) during the initial phase of the COVID-19 pandemic, April 10–May 24, 2020, Poland

Measures	GAD-7
	factor load					total sample			M±SD
	total sample	gender		age		M±SD	skewness	kurtosis	gender		age
		women	men	younger	older				women	men	younger	older
GAD-7 total	7.18±5.74						0.83	−0.11	7.82±5.87	6.26±5.44	7.20±5.66	7.16±5.84
item 1	0.87	0.88	0.87	0.86	0.89	1.22±0.03	0.56	−0.38	1.34±0.93	1.04±0.85	1.21±0.88	1.22±0.93
item 2	0.94	0.96	0.92	0.94	0.95	1.02±0.03	0.67	−0.48	1.13±O.98	0.85±0.90	1.00±0.94	1.03±0.97
item 3	0.89	0.91	0.87	0.87	0.92	1.18±0.03	0.53	−0.50	1.26±0.95	1.05±0.88	l.17±0.92	1.18±O.94
item 4	0.89	0.90	0.86	0.90	0.87	1.15±0.03	0.50	−0.67	1.21±0.95	1.05±0.96	1.12±0.93	1.17±0.98
item 5	0.81	0.79	0.83	0.82	0.79	0.74±0.03	1.06	0.16	0.81±0.94	0.62±0.85	0.74±0.92	0.73±0.90
item 6	0.79	0.81	0.78	0.77	0.82	1.04±0.03	0.67	−0.25	1.10±0.92	0.95±0.89	1.09±0.90	0.98±0.91
item 7	0.77	0.74	0.80	0.78	0.76	0.86±0.03	0.88	−0.33	0.96±0.99	0.70±0.92	0.86±0.97	0.84±0.98
Cronbach's a	0.95	0.95	0.95	0.95	0.95
Average variance extracted	0.73	0.73	0.72	0.72	0.74
Composite reliability	0.95	0.95	0.95	0.95	0.95

Younger – 18–42 years; older – 43–65 years.