Accepted for Publication: August 31, 2011.
Published Online: October 24, 2011. doi:10.1001/archinternmed.2011.524
Author Contributions: Dr Sherman had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Sherman, Cherkin, Cook, and Deyo. Acquisition of data: Sherman, Hawkes, and Delaney. Analysis and interpretation of data: Sherman, Cherkin, Wellman, Cook, Delaney, and Deyo. Drafting of the manuscript: Sherman, Cherkin, Cook, Hawkes, and Delaney. Critical revision of the manuscript for important intellectual content: Sherman, Cherkin, Wellman, Cook, and Deyo. Statistical analysis: Wellman, Cook, and Delaney. Obtained funding: Sherman. Administrative, technical, and material support: Cherkin and Hawkes. Addressed clinical issues in study conduct: Deyo.
Financial Disclosure: None reported.
Funding/Support: This study was funded by Cooperative Agreement Number U01 AT003208 from the National Center for Complementary and Alternative Medicine (NCCAM). Discussions with several NCCAM staff influenced the study design.
Disclaimer: The authors retain sole responsibility for the contents of this publication, which do not necessarily reflect the official views of NCCAM.
Previous Presentation: This study was presented at the Primary Care Musculoskeletal Research Congress; October 12, 2010; Rotterdam, the Netherlands.
Additional Contributions: We thank the following people for their assistance: study research specialists at the GHRI: Cheryl Duprey, John Ewing, Erika Holden, Sonia Hinz, Danielle Huston, Mary Lyons, Shirley Meyer, Melissa Parson, and Lisa Shulman; the yoga instructors: Hal Meng, Andrea Murray, Lulu Peele, Abby Staten, and Virginia Wise; and an anonymous instructor (all in private practice); the stretching class instructors: Julea Edwards, PT, Martina Eschenburg, PT, Joe Jereczek, PT, John Maisano, PT, Lisa Metzler, PT, Alison Wigstrom-Hoseth, PT (all with Group Health) and Ned Hartley, PT (private practice); GHRI study clinicians: Lindsay Fleischer, RN, Nancy Hill, RN, Connie Vos, RN. We also thank the interviewers and staff of the Group Health Survey Program for conducting all of the follow-up interviews. We thank Juanita Jackson (GHRI) for administrative assistance and Robin Rothenberg (private practice) for training the yoga instructors. All GHRI, Group Health, and private practice staff received compensation for their participation on our study team. We thank Partap Khalsa, DC, PhD, from the National Center for Complementary and Alternative Medicine for participation in discussions related to the analysis and interpretation of the data.