N. Christakis

Publications392
h-index93
Citations45,558
Highly Influential Citations1,416
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The spread of obesity in a large social network over 32 years.
TLDR
Network phenomena appear to be relevant to the biologic and behavioral trait of obesity, and obesity appears to spread through social ties, which has implications for clinical and public health interventions. Expand
Factors considered important at the end of life by patients, family, physicians, and other care providers.
TLDR
Although pain and symptom management, communication with one's physician, preparation for death, and the opportunity to achieve a sense of completion are important to most, other factors important to quality at the end of life differ by role and by individual. Expand
The collective dynamics of smoking in a large social network.
TLDR
Despite the decrease in smoking in the overall population, the size of the clusters of smokers remained the same across time, suggesting that whole groups of people were quitting in concert. Expand
In Search of a Good Death: Observations of Patients, Families, and Providers
TLDR
This study describes the attributes of a good death, as understood by various participants in end-of-life care, and compared the perspectives of different groups of persons who had experienced death in their personal or professional lives. Expand
Dynamic spread of happiness in a large social network: longitudinal analysis over 20 years in the Framingham Heart Study
TLDR
People’s happiness depends on the happiness of others with whom they are connected, providing further justification for seeing happiness, like health, as a collective phenomenon. Expand
Social Contagion Theory: Examining Dynamic Social Networks and Human Behavior
TLDR
The regularities that led us to propose that human social networks may exhibit a 'three degrees of influence' property are described and the statistical approaches used to characterize interpersonal influence are reviewed. Expand
Life in the network: The coming age of computational social science: Science
The Taste for Privacy: An Analysis of College Student Privacy Settings in an Online Social Network
TLDR
This paper argues that privacy behavior is an upshot of both social influences and personal incentives, and takes the preference for privacy itself as the unit of analysis, and analyzes the factors that are predictive of a student having a private versus public profile. Expand
Response rates to mail surveys published in medical journals.
TLDR
Although several mail survey techniques are associated with higher response rates, response rates to published mail surveys tend to be moderate, and investigators, journal editors, and readers should devote more attention to assessments of bias, and less to specific response rate thresholds. Expand
Tastes, ties, and time: A new social network dataset using Facebook.com
TLDR
A new public dataset based on manipulations and embellishments of a popular social network site, Facebook.com, is introduced and five distinctive features of this dataset are emphasized and its advantages and limitations vis-a-vis other kinds of network data are highlighted. Expand
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