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To the Editor: In their article about Americans' reactions to the events of September 11, 2001, Dr Schlenger and colleagues¹ report that their survey used "stratified random-digit-dialing telephone sampling techniques, which make it possible to reach every US household with a telephone (95% of US households)." The survey was administered 1 to 2 months after the attacks and the results were stratified according to the proximity to the crash sites.

I live in close proximity to the World Trade Center. Neither I nor thousands of others living below Canal Street (ie, in South Manhattan) had phone service for weeks and months after September 11. Therefore, it seems unlikely that the sampling was as accurate as the authors claim.

Milena J. Henzlova, MD, PhD
New York, NY

1. Schlenger WE, Caddell JM, Ebert L, et al. Psychological reactions to terrorist attacks: findings from the National Study of Americans' reactions to September 11. JAMA. 2002;288:581-588. FREE FULL TEXT

To the Editor: Dr Schlenger and colleagues¹ found that 2 months after September 11, 2001, overall distress levels in the United States were within . . . [Full Text of this Article]

William E. Schlenger, PhD; Juesta M. Caddell, PhD; Lori Ebert, PhD; B. Kathleen Jordan, PhD; Kathryn Rourke Batts, MPE
Center for Risk Behavior and Mental Health Research
Research Triangle Institute
Research Triangle Park, NC

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