Multidimensional Feature Classification of the Health Information Needs of Patients With Hypertension in an Online Health Community Through Analysis of 1000 Patient Question Records: Observational Study

Aijing Luo   ^{1, 2} , PhD ;   Zirui Xin   ^{1, 2, 3} , PhD ;   Yifeng Yuan   ^{1, 2, 3} , MS ;   Tingxiao Wen   ³ , PhD ;   Wenzhao Xie   ^{1, 2} , PhD ;   Zhuqing Zhong   ^{1, 2} , PhD ;   Xiaoqing Peng   ^{1, 2} , PhD ;   Wei Ouyang   ^{1, 2, 3} , PhD ;   Chao Hu   ^{2, 4, 5} , PhD ;   Fei Liu   ^{1, 2, 3} , MS ;   Yang Chen   ^{1, 2, 3} , MS ;   Haiyan He   ^{1, 2, 3} , PhD

¹ The Third Xiangya Hospital of Central South University, Changsha, China

² Key Laboratory of Medical Information Research, Central South University, College of Hunan Province, Changsha, China

³ School of Life Sciences, Central South University, Changsha, China

⁴ School of Computer Science and Engineering, Central South University, Changsha, China

⁵ Information and Network Center, Central South University, Changsha, China