Assessing the association between all-cause mortality and multiple aspects of individual social capital among the older Japanese.
Assessing the association between all-cause mortality and multiple aspects of individual social capital among the older Japanese.
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DOI：
10.1186/1471-2458-11-499
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发表时间：
2011-06-25
影响因子：
4.5
通讯作者：
Osaka K
中科院分区：
文献类型：
--
作者：
Aida J;Kondo K;Hirai H;Subramanian SV;Murata C;Kondo N;Ichida Y;Shirai K;Osaka K
很少有前瞻性队列研究评估社会资本和死亡率之间的关系。这些研究仅在西方国家进行，并没有使用相同的社会资本指标。本前瞻性队列研究旨在探讨日本不同形式的个人社会资本与全因死亡率之间的关系。自填问卷邮寄给2003年爱知县老年学评价研究（AGES）项目的研究对象。对2003年至2008年14668名受访者的死亡率数据进行了分析。个体社会资本的认知成分和结构成分分别为：认知社会资本（信任，3分；社会支持，3分；互惠，2分）为8分，结构社会资本（社会网络）为9分。采用Cox比例风险模型，按性别分层，多重输入。年龄、体重指数、自评健康、当前疾病、吸烟史、饮酒、运动、同等收入和教育程度作为协变量。在男性27571人年和女性29561人年的随访期间，观察到男性死亡790人，女性死亡424人。在男性的单变量分析中，在一个一般信任变量、所有广义互惠变量和四个社会网络变量中，较低的社会资本与较高的死亡率显著相关。对于女性而言，较低的社会资本与所有广义互惠和四个社会网络变量的较高死亡率显著相关。在调整协变量后，较低的友谊网络与男性（很少与朋友见面；HR = 1.30, 95%CI = 1.10-1.53）和女性（没有朋友；HR = 1.81, 95%CI = 1.02-3.23）的全因死亡率显著相关。在女性中，较低的一般信任与较低的死亡率显著相关（大多数人不能被信任；HR = 0.65, 95%CI = 0.45-0.96）。友谊网络是日本老年人全因死亡率的一个很好的预测指标。相反，不信任与女性较低的死亡率有关。需要考虑不同文化背景下社会资本指数的研究。
Few prospective cohort studies have assessed the association between social capital and mortality. The studies were conducted only in Western countries and did not use the same social capital indicators. The present prospective cohort study aimed to examine the relationships between various forms of individual social capital and all-cause mortality in Japan. Self-administered questionnaires were mailed to subjects in the Aichi Gerontological Evaluation Study (AGES) Project in 2003. Mortality data from 2003 to 2008 were analyzed for 14,668 respondents. Both cognitive and structural components of individual social capital were collected: 8 for cognitive social capital (trust, 3; social support, 3; reciprocity, 2) and 9 for structural social capital (social network). Cox proportional hazard models stratified by sex with multiple imputation were used. Age, body mass index, self-rated health, current illness, smoking history, alcohol consumption, exercise, equivalent income and education were used as covariates. During 27,571 person-years of follow-up for men and 29,561 person-years of follow-up for women, 790 deaths in men and 424 in women were observed. In the univariate analyses for men, lower social capital was significantly related to higher mortality in one general trust variable, all generalised reciprocity variables and four social network variables. For women, lower social capital was significantly related to higher mortality in all generalised reciprocity and four social network variables. After adjusting for covariates, lower friendship network was significantly associated with higher all-cause mortality among men (meet friends rarely; HR = 1.30, 95%CI = 1.10-1.53) and women (having no friends; HR = 1.81, 95%CI = 1.02-3.23). Among women, lower general trust was significantly related to lower mortality (most people cannot be trusted; HR = 0.65, 95%CI = 0.45-0.96). Friendship network was a good predictor for all-cause mortality among older Japanese. In contrast, mistrust was associated with lower mortality among women. Studies with social capital indices considering different culture backgrounds are needed.
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