Table 1.

Prevalence and gender differences of anxiety disorders with and without impairment

	Male % (N)	Female % (N)	Total % (N)	Confidence interval	Statistic P (X2)
Any anxiety disorder
Without IC	15.5 (464)	18.1 (510)	16.7 (974)	15.74–17.65	0.008
With IC	5.3 (160)	5.2 (145)	5.2 (305)	4.71–5.86	NS
Separation anxiety disorder
Without IC	4.0 (120)	4.1 (115)	4.0 (235)	3.52–4.53	NS
With IC	1.7 (50)	1.6 (44)	1.6 (294)	1.28–1.9	NS
Generalized anxiety disorder
Without IC	2.2 (65)	2.6 (73)	2.4 (138)	1.98–2.77	NS
With IC	1.0 (29)	1.0 (27)	1.0 (56)	0.71–1.22	NS
Specific phobia
Without IC	7.8 (230)	9.6 (269)	8.6 (499)	7.85–9.29	0.008
With IC	1.8 (54)	1.9 (53)	1.8 (107)	1.48–2.17	NS
Social anxiety disorder
Without IC	2.9 (88)	3.3 (92)	3.1(181)	2.65–3.54	0.435
With IC	1.5 (45)	1.6 (45)	1.5 (90)	1.23–1.87	NS
Post-traumatic stress disorder
Without IC	0.3 (8)	0.5 (14)	0.4 (22)	0.25–0.58	0.044
With IC	0.1 (3)	0.1 (4)	0.1 (7)	0.03–0.21	NS
Panic disorder
Without IC	0.07 (2)	0.04 (1)	0.05 (3)	0–0.11	NS
With IC	0.03 (1)	0.04 (1)	0.03 (2)	0–0.08	NS
Acute stress disorder
Without IC	0.03 (1)	0.11 (3)	0.07 (4)	0–0.14	NS
With IC	0.0 (0)	0.04 (1)	0.02 (1)	0–0.05	NS
Anxiety NOS
Without IC	0.3 (9)	0.14 (4)	0.2 (13)	0.1–0.35	NS
With IC	0.13 (4)	0.07 (2)	0.10 (6)	0.02–0.19	NS
Selective mutism
Without IC	0.03 (1)	0.20 (3)	0.07 (4)	0–0.14	NS
With IC	0.03 (1)	0.04 (1)	0.03 (2)	0–0.08	NS
Stuttering
Without IC	0.40 (11)	0.60 (6)	0.30 (17)	0.15–0.43	NS
With IC	0.1(4)	0.11(3)	0.12 (7)	0.03–0.21	NS

IC Impairment criteria, NS Normal, NOS Not otherwise specified

p-value (bold) is less than 0.05 (typically ≤ 0.05) is statistically significant