“…Recently, the technique has been adopted in health studies of human populations to generate more accurate rates of disease and disability, including diabetes (Ismail et al, 2000), spinal cord injuries (Chiu et al, 1993), stroke (Taub et al, 1996) and HIV (Bernillon et al, 2000). The method has become increasing popular for estimating hidden populations, such as illicit drug users (Frischer et al, 1993) and the homeless (Fisher et al, 1994).…”