Do participants' reports of symptom prevalence or severity vary by interviewer gender?

Background: Although interviews are commonly used to gather research data, the integrity of interview data can be threatened by discrepancies between interviewers and respondents on such characteristics as race, gender, or ag e. Objectives: To determine if participants' reports of the prevalence and sev erity of 30 symptoms varied as a function of interviewer gender. Symptoms t hat were assessed included general physical symptoms (diarrhea, headaches), psychological symptoms (feel blue and depressed,worry about nervous breakd own), and menopausal symptoms (hot flashes, vaginal dryness). Method: Structured telephone interviews were completed by 137 women who wer e a mean of 56.5 years bid (SD = 11.1, range 36-83) and a mean of 38.8 mont hs (SD = 23.6) postdiagnosis of breast cancer. Interviewers included two wo men and two men. Results: Symptom prevalence and severity did not vary as a function of inte rviewer gender. Conclusions: Findingssuggest that both male and female interviewers-can be used successfully to assess participants' reports of physical, psychologica l, or menopausal symptoms.