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Showing 1 to 8 of 8 entries
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On the definition of a confounder.

Annals of statistics

VanderWeele TJ, Shpitser I.
PMID: 25544784
Ann Stat. 2013 Feb;41(1):196-220. doi: 10.1214/12-aos1058.

The causal inference literature has provided a clear formal definition of confounding expressed in terms of counterfactual independence. The causal inference literature has not, however, produced a clear formal definition of a confounder, as it has given priority to...

Sensitivity analysis for contagion effects in social networks.

Sociological methods & research

VanderWeele TJ.
PMID: 25580037
Sociol Methods Res. 2011 May;40(2):240-255. doi: 10.1177/0049124111404821.

Analyses of social network data have suggested that obesity, smoking, happiness and loneliness all travel through social networks. Individuals exert "contagion effects" on one another through social ties and association. These analyses have come under critique because of the...

Effect partitioning under interference in two-stage randomized vaccine trials.

Statistics & probability letters

Vanderweele TJ, Tchetgen Tchetgen EJ.
PMID: 21532912
Stat Probab Lett. 2011 Jul 01;81(7):861-869. doi: 10.1016/j.spl.2011.02.019.

In the presence of interference, the exposure of one individual may affect the outcomes of others. We provide new effect partitioning results under interferences that express the overall effect as a sum of (i) the indirect (or spillover) effect...

Mediation and spillover effects in group-randomized trials: a case study of the 4Rs educational intervention.

Journal of the American Statistical Association

Vanderweele TJ, Hong G, Jones SM, Brown JL.
PMID: 23997375
J Am Stat Assoc. 2013 Jun 01;108(502):469-482. doi: 10.1080/01621459.2013.779832.

Peer influence and social interactions can give rise to spillover effects in which the exposure of one individual may affect outcomes of other individuals. Even if the intervention under study occurs at the group or cluster level as in...

Controlled direct and mediated effects: definition, identification and bounds.

Scandinavian journal of statistics, theory and applications

VanderWeele TJ.
PMID: 25309023
Scand Stat Theory Appl. 2011 Sep;38(3):551-563. doi: 10.1111/j.1467-9469.2010.00722.x.

Results are given which provide bounds for controlled direct effects when the no-unmeasured-confounding assumptions required for the identification of these effects do not hold. Previous results concerning bounds for controlled direct effects rely on monotonicity relationships between the treatment,...

Causal Inference Under Multiple Versions of Treatment.

Journal of causal inference

VanderWeele TJ, Hernán MA.
PMID: 25379365
J Causal Inference. 2013 May 01;1(1):1-20. doi: 10.1515/jci-2012-0002.

No abstract available.

Empirical Research on Factors Related to the Subjective Well-Being of Chinese Urban Residents.

Social indicators research

Wang P, Vanderweele TJ.
PMID: 21731171
Soc Indic Res. 2011 May;101(3):447-459. doi: 10.1007/s11205-010-9663-y.

Data from the China General Social Survey are used in order to investigate the factors that are related to the subjective well-being of Chinese urban residents. Factors predicting higher subjective well-being include female gender, high-income class, marriage, employment, fashionable...

Why and When "Flawed" Social Network Analyses Still Yield Valid Tests of no Contagion.

Statistics, politics, and policy

VanderWeele TJ, Ogburn EL, Tchetgen Tchetgen EJ.
PMID: 25419506
Stat Politics Policy. 2012 Feb 01;3(1):2151-1050. doi: 10.1515/2151-7509.1050.

Lyons (2011) offered several critiques of the social network analyses of Christakis and Fowler, including issues of confounding, model inconsistency, and statistical dependence in networks. Here we show that in some settings, social network analyses of the type employed...

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