Return on investment of internet delivered exposure therapy for irritable bowel syndrome: a randomized controlled trial

Table 1 Cost tariffs for the most common types of health services utilized by the participants

Type of cost	Unit	Price^a
General practitioner	Consultation	381^b
Occupational physician	Consultation	381^b
Nurse	Consultation	285^b
Social worker	Consultation	261^b
Physiotherapist	Consultation	127^b
Psychologist or psychotherapist at private clinic	Session	126
Psychologist or psychotherapist at a primary care unit	Session	381^b
Psychologist or psychotherapist at a psychiatry unit	Session	381^b
Psychiatrist	Consultation	465^b
Medical specialist	Consultation	357^b
Communal home care (including cleaning and babysitting)	Hour	47^c
Alternative medicine (examples include homeopaths and acupuncturists)	Consultation	104^d
Self-help group (e.g., support group within a patient association)	Hour	18^e
Searching medical information on the internet or taking part in online patient networks	Hour	18^e
Informal care (relatives and friends)	Hour	18^e
Sick leave	Hour	22^f
Presenteeism at work	Hour	22g
Inability to do household work	Hour	18^e
Presenteeism in household work	Hour	18 g

^aCosts in US dollars for 2017, Power Purchasing Parity (PPP) derived from OECD[39]
^bStockholm County Council tariffs 2017[40]
^cNational tariff from Swedish Association of Local Authorities and Regions adjusted to 2017 with consumer price index (CPI) [41]
^dA mean from 5 different google searches with 8 different treatments. Adjusted with CPI for 2017
^eCost used from a Dutch study, but assumed to be equal in Sweden [42]
^fAverage monthly Salary 2017, from Statistics Sweden, adjusted with gender differences in the sample [38]
^gTariff multiplied with percentage of total time, as reported by participants

ISSN: 1471-230X