title: Status and determinants of health behavior knowledge among the elderly in China: a community-based cross-sectional study.
abstract: BACKGROUND
  Limited studies are available on health behavior knowledge among the elderly and the interaction between the elderly and their children living with them. Using a survey of the elderly in the community and their children living with them, we explored the characteristics that determine health behavior knowledge. We also identified the influencing factors affecting such knowledge. The relationship between the health behavior knowledge of the elderly and that of their children was also investigated.
  
  
  METHODS
  A total of 1207 elderly people were selected by multistage probability sampling (number of children of the elderly = 201). We used a self-designed behavior knowledge questionnaire (38 questions) to survey the participants. After the 38 questions were answered, the total score was determined. The group with adequate health behavior knowledge (score ≥ 24) and that with inadequate knowledge (score < 24) were distinguished by logistic regression to explain the influencing factors affecting health knowledge.
  
  
  RESULTS
  On the basis of the responses to 38 questions in the survey, approximately 46.7% of elderly people were identified as having a good knowledge of health. Knowledge of the proper amount of certain foods and liquids as well as that of psychological disorder among the elderly recorded a low percentage at < 60%. Factors related to health behavior knowledge among the elderly were as follows educational attainment, past occupation, and location of residence. Participants who finished high school or higher had 6, 4, and 3 times greater odds of possessing adequate health knowledge than those who attained below primary school, primary school, and junior high school levels, respectively. Those with experience as administrative and technical personnel, workers, migrant workers, and farmers had 2.5, 2.3, 3.9, and 2.1 times greater odds of possessing adequate health knowledge, respectively, than those who were unemployed. Respondents living in the city had 3.7 times greater odds of possessing adequate health knowledge than those living in the countryside. In the stem family, the health knowledge of the elderly was significantly lower than that of their children (P < 0.001). However, the influence of their children's knowledge upper their elder's was relatively weak.
  
  
  CONCLUSIONS
  The need to improve health behavior knowledge among the Chinese elderly remains high. Medical personnel in the community should provide health education related to proper diet and alcohol intake, as well as psychological health, particularly for those elderly who only reached primary school and below, used to be unemployed, and are living in rural areas. Children of stem families should be guided to enhance their health education and contribute to the health knowledge of their elderly parents.
authors.affiliation: Department of Nursing, School of Nursing, Wenzhou Medical College, Wenzhou 325035, China. yzq@wzmc.edu.cn
authors.forename: Zhiqin
authors.initials: Z
authors.lastname: Yin
authors.forename: Guiling
authors.initials: G
authors.lastname: Geng
authors.forename: Xuefen
authors.initials: X
authors.lastname: Lan
authors.forename: Liming
authors.initials: L
authors.lastname: Zhang
authors.forename: Surong
authors.initials: S
authors.lastname: Wang
authors.forename: Yuantong
authors.initials: Y
authors.lastname: Zang
authors.forename: Meidi
authors.initials: M
authors.lastname: Peng
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002681:China; D003430:Cross-Sectional Studies; D005260:Female; D015438:Health Behavior; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D008875:Middle Aged; D012959:Socioeconomic Factors; D011795:Surveys and Questionnaires
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