Table 3.

Phase two: inclusion and exclusion criteria used to assess full text articles

Inclusion criteria	Exclusion criteria
Studies with a psychiatric assessment/usage of DSM/ICD criteria Studies reporting anxiety disorder prevalence rates (including any anxiety disorder, specific phobias, generalised anxiety, separation anxiety, social anxiety, panic disorder, agoraphobia, obsessive–compulsive disorder and post-traumatic stress disorder)	Biological studies/genetic studies/biomarker studies Intervention studies Reviews Checklists/rating scales Studies using measures looking at a range of behaviours without anxiety as a focal point Case studies