Evidence map›Paper›PMID 29877005›Full record

ArticleHealth economics2018

Estimating the effects of friends on health behaviors of adolescents.

Jason M Fletcher, Stephen L Ross

Abstract read
In one paragraph

Article in Health economics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed.

  1. Trial
  2. Article
  3. Article
  4. Article
  5. Behavioral Economics in the Epidemiology of the COVID-19 Pandemic: Theory and Simulations.International journal of environmental research and public health · 2022
    Article
  6. Article
  7. Article
  8. Article
  9. Exploring the Effect of Market Conditions on Price Premiums in the Online Health Community.International journal of environmental research and public health · 2020
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Jason M FletcherLa Follette School of Public Affairs, Departments of Sociology, Agricultural and Applied Economics, and Population Health Sciences, University of Wisconsin-Madison, Madison, WI, USA.ORCID 0000-0001-8843-0563
Stephen L RossDepartment of Economics, University of Connecticut, Storrs, CT, USA.

Funding

Wave IV Data CollectionP01HD031921 · NICHD · UNIV OF NORTH CAROLINA CHAPEL HILL · PI HARRIS, KATHLEEN MULLAN · 1994 to 2020
$86.1M
Statistical Data Enclave CoreP30AG017266 · NIA · UNIVERSITY OF WISCONSIN-MADISON · PI Michal Engelman · 1999 to 2026
$17.0M
Scientific and Technical CoreP2CHD047873 · NICHD · UNIVERSITY OF WISCONSIN-MADISON · PI Katherine J. Curtis · 2014 to 2026
$5.1M
Estimating the Causal Effects of Social Networks on Health BehaviorsR21HD066230 · NICHD · YALE UNIVERSITY · PI FLETCHER, JASON MICHAEL · 2011 to 2012
$476k
NIA NIH HHS P30 AG017266NICHD NIH HHS P01 HD031921NICHD NIH HHS P2C HD047873NICHD NIH HHS R21 HD066230
6 · The paper itself

Abstract

This paper estimates the effects of friends' smoking and drinking on own behavior while controlling for correlated unobservables between friends. The effect of friends' behaviors is identified by comparing similar individuals who have similar friendship opportunities and make similar friendship choices, exploiting the idea that friendship choice reveals information about unobservables. We combine this identification strategy with an across-cohort within school design so that identification arises in our reduced form estimates from across-grade differences in the clustering of health behaviors. Finally, we use estimated information on correlated unobservables to examine longitudinal data on the onset of health behaviors, where the likelihood of reverse causality should be minimal. We find evidence that this strategy produces somewhat smaller (no more than 16% smaller) friendship effect estimates than the more standard school fixed effect models consistent with at most modest bias from correlated unobservables.

Indexed as

Health BehaviorAdolescentAdolescent BehaviorCohort StudiesFemaleFriendsHumansLongitudinal StudiesMalePeer GroupSchoolsSmokingSurveys and QuestionnairesUnderage Drinkingadolescent healthcohort studydrinkingfriendship effectspeer effectssmoking

Identifiers

PMID29877005
PMCPMC6358435

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.