To the Editor: Random-digit dialling is commonly used to select samples in telephone surveys. It has been used as a method of selecting survey samples for a diverse range of topics ranging from chronic pain to lesbian health issues.1,2 However, the method has come under criticism in recent years, primarily on the basis that a large number of residents are systematically excluded from the sample.
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- Department of Medicine, Nepean Hospital, Penrith, NSW.
Correspondence:
- 1. Blyth FM, March LM, Shellard D, Cousins MJ. The experience of using random digit dialling methods in a population-based chronic pain study. Aust N Z J Public Health 2002; 26: 511-514.
- 2. Meyer IH, Rossano L, Ellis JM, Bradford J. A brief telephone interview to identify lesbian and bisexual women in random digit dialing sampling. J Sex Res 2002; 39: 139-144.
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