Positive and Negative Relationship between Anxiety and Depression of Patients in Pain: A Bifactor Model Analysis

• Jingdan Xie ,

  Contributed equally to this work with: Jingdan Xie, Qian Bi, Yebing Yang

  Affiliations Department of Psychology, Fourth Military Medical University, Xi’an, People’s Republic of China, Second Out-Patient Department of the General Logistics Department of PLA, Beijing, People’s Republic of China

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• Qian Bi ,

  Contributed equally to this work with: Jingdan Xie, Qian Bi, Yebing Yang

  Affiliation State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi’an, People’s Republic of China

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• Wen li,

  Affiliation The First Affiliated Hospital of Chinese PLA General Hospital, Beijing, People’s Republic of China

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• Wen Shang,

  Affiliation The Health Department of the General Logistics Department of PLA, Beijing, People’s Republic of China

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• Ming Yan,

  Affiliation Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, People’s Republic of China

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• Yebing Yang ,

  Contributed equally to this work with: Jingdan Xie, Qian Bi, Yebing Yang

  Affiliation Department of Psychology, Fourth Military Medical University, Xi’an, People’s Republic of China

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• Danmin Miao ,

  * E-mail: miaodanmin@hotmail.com (DM); zlhmz172@sohu.com (HZ)

  Affiliation Department of Psychology, Fourth Military Medical University, Xi’an, People’s Republic of China

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• Huiming Zhang

  * E-mail: miaodanmin@hotmail.com (DM); zlhmz172@sohu.com (HZ)

  Affiliation Second Out-Patient Department of the General Logistics Department of PLA, Beijing, People’s Republic of China

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