© 2005 American Public Health Association DOI: 10.2105/AJPH.2005.069070
Devon D. Brewer is with Interdisciplinary Scientific Research, Seattle, Wash. Charles B. Fleming and Kevin P. Haggerty are with the Social Development Research Group, University of Washington, Seattle. Correspondence: Requests for reprints should be sent to Devon D. Brewer, Interdisciplinary Scientific Research, PO Box 15110, Seattle, WA 98115 (e-mail: dbrewr@interscientific.net).
In the March issue of the Journal, El-Bassel et al. state that their study "is the first longitudinal investigation of the causal relationship between frequent drug use and IPV [intimate partner violence] among a random sample of women attending MMTPs [methadone maintenance treatment programs]."1(p468) El-Bassel and colleagues report is an important contribution to the literature; however, this statement gives the incorrect impression that the relationship between drug use and IPV had not previously been studied longitudinally.
In our sample of opiate-dependent women in Seattle methadone treatment programs, crack use and use of other types of cocaine were the only meaningful
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