International Index of Erectile Function (IIEF)
Description: A condition measure of erectile functioning .
Format: 15 items assessing the participant’s overall sexual satisfaction in 5 domains: erectile function, orgasmic function, sexual desire, intercourse satisfaction, and overall satisfaction.
A newer version of the IIEF, the IIEF-5 was developed by retaining only items with moderate or good discrimination ability between men with and without erectile dysfunction.
Scoring: Items on the IIEF are rated on the following scale:
5 = Almost always or always
4 = Most times (much more than half the time)
3 = Sometimes (about half the time)
2 = A few times (much less than half the time)
1 = Almost never or never
0 = No sexual activity OR Did not attempt intercourse OR No sexual stimulation. Certain items are rated on a scale from 1(very low) to 5 (very high).
Administration and Burden: Self-administered. Less than 15 minutes to complete.
Psychometrics for SCI: Preliminary evidence suggests the IIEF is a reliable and valid measure with good clinical utility for SCI [2 – 3].
Languages: The IIEF has been translated into 32 languages.
QoL Concept: This is a measure of overall sexual satisfaction, which corresponds to Box C (HrQoL, achievements) of Dijker’s Model.
Permissions/Where to Obtain: Copyrighted; Details about obtaining the IIEF can be obtained at the Patient-Reported Quality of Life Instruments Database at: http://www.proqolid.org/instruments/international_index_of_erectile_function_iief_iief_5
**CLICK ON THE LISTED SECONDARY HEALTH CONDITIONS ON THE RIGHT TO READ HOW THE IIEF HAS BEEN USED WITH A PARTICULAR CONDITION**
- Rosen RC, Riley A, Wagner G, Osterloh IH, Kirkpatrick J, Mishra A. The international index of erectile function (IIEF): A multi-dimensional scale for for assessment of erectile dysfunction. Urology 1997;49:822-30.
- Rosen RC, Cappelleri JC, Gendrano N 3rd. The international index of erectile function (IIEF): a state-of-the-science review. Int J Impot Res 2002;14:226-44.
- Alexander MS, Brackett NL, Bodner D, Elliott S, Jackson A, Sonksen J; National Institute on Disability and Rehabilitation Research. Measurement of sexual functioning after spinal cord injury: preferred instruments. J Spinal Cord Med. 2009;32:226-36.