Table 4.

Web-based self-report 12-item WHODAS 2.0^a internal consistency.

Sample		Screening		Pretreatment		Posttreatment
		Cronbach alpha	n	Cronbach alpha	n	Cronbach alpha	n
Total score
	Severe health anxiety	.83	60	.86	60	.87	56
	Stress disorder	—	—	.90	100	.92	97
Psychosocial subscaleb
	Severe health anxiety	.82	60	.88	60	.87	56
	Stress disorder	—	—	.89	100	.91	97

^aWHODAS 2.0: World Health Organization Disability Assessment Schedule 2.0.

^bPsychosocial subscale with regression weights applied.