The long arm of adolescence: school health behavioral environments, tobacco and alcohol co-use, and the 5HTTLPR gene [0.03%]
青少年的长臂：学校健康行为环境、烟草和酒精共用以及5HTTLPR基因
Jonathan Daw,Jason D Boardman
Jonathan Daw
Although sociologists, demographers, and others have thoroughly studied contextual and life course influences on tobacco and alcohol use in adolescence and young adulthood, far less attention has been paid to the determinants of tobacco and...
Eileen M Crimmins
Eileen M Crimmins
Height convergence and internal migration in mid-twentieth-century Italy [0.03%]
二十世纪中期意大利的身高变化与国内迁移的关系
Donatella Lanari,Odoardo Bussini
Donatella Lanari
Height convergence across Italian regions during the second half of the twentieth century is a widely recognized fact. However, it has been suggested that this process was partly affected by the massive migratory flow of people from souther...
Contribution of immigration to adolescent fertility in Spain considering the reproductive pattern in the country of origin [0.03%]
考虑移民来源国的生育模式对西班牙青少年生育率贡献的影响
Sonia Colantonio,Jorge Roman-Busto,Vicente Fuster et al.
Sonia Colantonio et al.
Adolescent fertility displays a trend that does not follow-and even runs contrary to-the general temporal fertility pattern. Multiple factors determine this trend, including socioeconomic conditions and cultural patterns at both immigrants'...
The changing timing of births in Iran: an explanation of the rise and fall in fertility after the 1979 Islamic Revolution [0.03%]
伊朗生育时间的变化：1979年伊斯兰革命后生育率变化的解释
Amir Erfani,Kevin McQuillan
Amir Erfani
Studies exploring the course of period fertility in Iran after the 1979 Islamic Revolution have not examined systematically the role played by changes in the timing of births. Using retrospective data from the 2000 Iran Demographic and Heal...
Understanding the complexity of ambivalence toward pregnancy: does it predict inconsistent use of contraception? [0.03%]
理解怀孕矛盾情绪的复杂性：它能预测避孕措施使用的不一致性吗？
Sam Hyun Yoo,Karen Benjamin Guzzo,Sarah R Hayford
Sam Hyun Yoo
Ambivalence towards future pregnancy is common and may increase the risk of unprotected sex and unintended pregnancy. We propose that ambivalent attitudes toward pregnancy consist of subtypes that are differentially associated with contrace...
Validation of blood-based assays using dried blood spots for use in large population studies [0.03%]
基于干燥血斑鉴定适用于大规模人群研究的血液检测方法
Eileen Crimmins,Jung Ki Kim,Heather McCreath et al.
Eileen Crimmins et al.
Assessment of health in large population studies has increasingly incorporated measures of blood-based biomarkers based on the use of dried blood spots (DBS). The validity of DBS assessments made by labs used by large studies is addressed b...
Yang Claire Yang,Ting Li,Steven M Frenk
Yang Claire Yang
The growing evidence linking social connectedness and chronic diseases such as cancer calls for a better understanding of the underlying biophysiological mechanisms. This study assessed the associations between social network ties and multi...
Enhancing the gene-environment interaction framework through a quasi-experimental research design: evidence from differential responses to September 11 [0.03%]
通过准实验研究设计增强基因-环境相互作用框架：9·11事件不同反应的证据支持
Jason M Fletcher
Jason M Fletcher
This article uses a gene-environment interaction framework to examine the differential responses to an objective external stressor based on genetic variation in the production of depressive symptoms. This article advances the literature by ...
The reproductive transition in an indigenous population of northern Argentina [0.03%]
阿根廷北部一个土著群体的生殖过渡
Norberto Lanza,Claudia Valeggia,Enrique Peláez
Norberto Lanza
Latin America has been registering a fast decrease in fertility rates since the mid-twentieth century. This change can be linked to the modernization process these populations have been undergoing. However, research with Latin American indi...