Petersen Gitte L, Mortensen Erik L, Rod Naja H, Lange Theis, Flensborg-Madsen Trine, Hansen Åse M, Lund Rikke
1 University of Copenhagen, Denmark.
2 Peking University, Beijing, China.
J Aging Health. 2018 Sep;30(8):1263-1283. doi: 10.1177/0898264317714928. Epub 2017 Jul 28.
To investigate separate and combined associations of occupational social class and personality traits with late midlife leisure-time physical activity duration and intensity.
Cross-sectional data from the Copenhagen Aging and Midlife Biobank ( N = 4,649) were analyzed using linear regression models with leisure-time physical activity (metric equivalence) as outcome.
Low versus high occupational social class was associated with 4% (95% confidence interval [CI] = [3%, 5%]) greater leisure-time physical activity duration, but 2% (CI = [1%, 3%]) lower intensity. Each 10-unit increase in extraversion was associated with 5% (CI = [2%, 8%]) greater duration. Intensity increased by each 10-unit increase in conscientiousness (6%, CI = [4%, 7%]), openness (3%, CI = [1%, 4%]), neuroticism (3%, CI = [1%, 4%]), and extraversion (5%, CI = [4%, 7%]). Conscientiousness was positively associated with duration in low, but not in high, occupational social class (interaction p value = .002).
Higher occupational social class was associated with lower leisure-time physical activity duration, but higher intensity. Extraversion was positively associated with duration and intensity. Conscientiousness, openness, and neuroticism were positively associated with intensity. Overall, interactions were not consistent.
探讨职业社会阶层和人格特质分别及联合与中年晚期休闲体育活动的持续时间和强度之间的关联。
使用哥本哈根衰老与中年生物样本库（N = 4649）的横断面数据，以休闲体育活动（公制等效值）为结果，采用线性回归模型进行分析。
与高职业社会阶层相比，低职业社会阶层的休闲体育活动持续时间长4%（95%置信区间[CI]=[3%，5%]），但强度低2%（CI=[1%，3%]）。外向性每增加10个单位，持续时间就增加5%（CI=[2%，8%]）。尽责性、开放性、神经质和外向性每增加10个单位，强度分别增加6%（CI=[4%，7%]）、3%（CI=[1%，4%]）、3%（CI=[1%，4%]）和5%（CI=[4%，7%]）。在低职业社会阶层中，尽责性与持续时间呈正相关，而在高职业社会阶层中则不然（交互p值 = 0.002）。
较高的职业社会阶层与较低的休闲体育活动持续时间相关，但强度较高。外向性与持续时间和强度呈正相关。尽责性、开放性和神经质与强度呈正相关。总体而言，交互作用并不一致。
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