title: Prevalence, characteristics, and cost of self-treatment in the middle-aged and elderly: observations from Henan, China.
authors.affiliation: School of Statistics and The Center for Applied Statistics, Renmin University of China, Beijing, China.
authors.forename: Y
authors.initials: Y
authors.lastname: Jiang
authors.affiliation: School of Statistics and The Center for Applied Statistics, Renmin University of China, Beijing, China.
authors.forename: Y
authors.initials: Y
authors.lastname: Wang
authors.affiliation: School of Statistics and The Center for Applied Statistics, Renmin University of China, Beijing, China.
authors.forename: Y
authors.initials: Y
authors.lastname: Li
authors.affiliation: School of Statistics and The Center for Applied Statistics, Renmin University of China, Beijing, China.
authors.forename: X
authors.initials: X
authors.lastname: Wang
authors.affiliation: Humanities and Social Science College, Beijing Institute of Petrochemical Technology, Daxing, Beijing, China. Electronic address: machi.bipt@gmail.com.
authors.forename: C
authors.initials: C
authors.lastname: Ma
authors.affiliation: School of Statistics and The Center for Applied Statistics, Renmin University of China, Beijing, China; School of Public Health, Yale University, New Haven, CT, USA. Electronic address: shuangge.ma@yale.edu.
authors.forename: S
authors.initials: S
authors.lastname: Ma
mesh_terms: D000223:Adaptation, Psychological; D000368:Aged; D000375:Aging / Q000502:physiology; D001294:Attitude to Health; D002681:China; D002908:Chronic Disease; D006801:Humans; D008875:Middle Aged; D015995:Prevalence; D012648:Self Care / Q000191:economics* / Q000706:statistics & numerical data*; D012651:Self Medication / Q000191:economics / Q000706:statistics & numerical data; D012959:Socioeconomic Factors