Various hair changes have been reported in human immunodeficiency virus (HIV)–infected patients.1-4 The prevalence of these changes, however, has not been studied.
The Women's Interagency HIV Study (WIHS) is a multicenter prospective study of women in the United States who have HIV or are at risk for HIV disease.5 During the evaluation period of April 2000 through September 2000 a hair questionnaire was administered to 336 HIV-infected and 91 non–HIV-infected (HIV-noninfected) women in the Northern California WIHS.