Table 3.

Item Internal consistency of the scales

Over the last 2 weeks, how often have you been bothered by the following problems
	a4-Item alpha	2-Item alpha	balpha if item- dropped
Anxiety (GAD-2)
1. Feeling nervous, anxious or on edge	0.81	0.74	0.75
2. Not being able to stop or control worrying			0.74
Depression (PHQ-2)			0.77
3. Little interest or pleasure in doing things		0.65	0.77
4. Feeling down, depressed or hopeless

^aThe overall alpha (Cronbach’s α: Indicates the internal reliability of the four items (conducted with the entire sample)); ^bValues of the overall alpha (Cronbach’s) if that item isn’t included in the calculation