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身体活动和社会活动在社会网络类型与中国老年人通气功能之间起中介作用。

Physical and social activities mediate the associations between social network types and ventilatory function in Chinese older adults.

机构信息

Department of Psychological Studies, Hong Kong Institute of Education.

Department of Medicine and Geriatrics, United Christian Hospital.

出版信息

Health Psychol. 2014 Jun;33(6):524-34. doi: 10.1037/hea0000026.

Abstract

OBJECTIVE

This study examined the associations between social network types and peak expiratory flow (PEF), and whether these associations were mediated by social and physical activities and mood.

METHOD

Nine hundred twenty-four community-dwelling Chinese older adults, who were classified into five network types (diverse, friend-focused, family-focused, distant family, and restricted), provided data on demographics, social and physical activities, mood, smoking, chronic diseases, and instrumental activities of daily living. PEF and biological covariates, including blood lipids and glucose, blood pressure, and height and weight, were assessed. Two measures of PEF were analyzed: the raw reading in L/min and the reading expressed as percentage of predicted normal value on the basis of age, sex, and height. Diverse, friend-focused, and distant family networks were hypothesized to have better PEF values compared with restricted networks, through higher physical and/or social activities. No relative advantage was predicted for family-focused networks because such networks tend to be associated with lower physical activity.

RESULTS

Older adults with diverse, friend-focused, and distant family networks had significantly better PEF measures than those with restricted networks. The associations between diverse network and PEF measures were partially mediated by physical exercise and socializing activity. The associations between friend-focused network and PEF measures were partially mediated by socializing activity. No significant PEF differences between family-focused and restricted networks were found.

CONCLUSIONS

Findings suggest that social network types are associated with PEF in older adults, and that network-type differences in physical and socializing activity is partly responsible for this relationship.

摘要

目的

本研究考察了社会网络类型与呼气峰值流速(PEF)之间的关联,以及这些关联是否通过社交和体育活动以及情绪而发生变化。

方法

924 名居住在社区的中国老年人,他们被分为五种网络类型(多样化、以朋友为中心、以家庭为中心、远房家庭和受限),提供了人口统计学、社交和体育活动、情绪、吸烟、慢性疾病和日常生活活动能力方面的数据。评估了 PEF 和生物协变量,包括血脂和血糖、血压以及身高和体重。分析了两种 PEF 测量值:以升/分钟为单位的原始读数和根据年龄、性别和身高预测的正常数值的百分比读数。假设多样化、以朋友为中心和远房家庭网络与受限网络相比,具有更高的体育和/或社交活动,因此具有更好的 PEF 值。没有预测到以家庭为中心的网络具有相对优势,因为这种网络往往与较低的体育活动有关。

结果

与受限网络相比,具有多样化、以朋友为中心和远房家庭网络的老年人具有明显更好的 PEF 测量值。多样化网络与 PEF 测量值之间的关联部分通过体育锻炼和社交活动得到解释。以朋友为中心的网络与 PEF 测量值之间的关联部分通过社交活动得到解释。没有发现以家庭为中心的网络和受限网络之间的 PEF 差异有统计学意义。

结论

研究结果表明,社会网络类型与老年人的 PEF 相关,网络类型在体育和社交活动方面的差异部分解释了这种关系。

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