Table 2.

Performance statistics of Ada–check your health (ADA) for disorder categories.

Performance statistics	Correct condition suggestion by ADA
	Listed first				Listed in top 5
	Affective disorders	Anxiety disorders	Somatoform + associated disorders	Affective disorders		Anxiety disorders	Somatoform + associated disorders
Accuracy (95% CI)	0.65 (0.51 to 0.77)	0.53 (0.39 to 0.66)	0.82 (0.68 to 0.90)	0.63 (0.49 to 0.75)		0.45 (0.32 to 0.59)	0.76 (0.62 to 0.86)
Sensitivity	0.65	0.21	0.22	0.71		0.43	0.33
Specificity	0.67	0.84	0.95	0.50		0.46	0.85
AC1a (95% CI)	0.32 (0.46 to 0.60)	0.15 (−0.16 to 0.47)	0.76 (0.59 to 0.93)	0.31 (0.26 to 0.60)		−0.09 (−0.39 to 0.20)	0.65 (0.44 to 0.86)

^aAC1: Gwet first-order agreement coefficient.