Psychometric properties of the GAD-7 (General Anxiety Disorder-7): a cross-sectional study of the Peruvian general population

Table 1 Descriptive statistics and item‒test correlations for the items on the general anxiety disorder-7 (n = 4431)

Items	M	SD	g¹	g²	r_it
1. Feeling nervous, anxious, or on edge [Se ha sentido nervioso(a), ansioso(a), o con los nervios de punta]	0.83	0.87	0.90	0.21	0.83
2. Not being able to stop or control worrying [No ha sido capaz de parar o controlar su preocupación]	0.64	0.85	1.29	1.06	0.86
3. Worrying too much about different things [Se ha preocupado demasiado por motivos diferentes.]	0.97	0.89	0.73	-0.07	0.86
4. Trouble relaxing [Ha tenido dificultad para relajarse]	0.90	0.90	0.80	-0.08	0.85
5. Being so restless that it is hard to sit still [Se ha sentido tan inquieto(a) que no ha podido quedarse quieto(a)]	0.58	0.81	1.39	1.37	0.80
6. Becoming easily annoyed or irritable [Se ha molestado o irritado fácilmente]	0.98	0.91	0.69	-0.24	0.74
7. Feeling afraid as if something awful might happen [Ha tenido miedo de que algo terrible fuera a pasar]	0.86	0.92	0.91	0.05	0.76

Notes M = mean; SD = standard deviation; g¹ = skewness; g² = kurtosis; r_it = item-test correlation. The Spanish version of the items is presented in square brackets

ISSN: 2050-7283