Research

Dynamic spread of happiness in a large social network: longitudinal analysis over 20 years in the Framingham Heart Study

BMJ 2008; 337 doi: https://doi.org/10.1136/bmj.a2338 (Published 05 December 2008) Cite this as: BMJ 2008;337:a2338

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

Usage statistics: December 2008 to December 2017

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AbstractFullPdf
Dec 20083807265686320
Jan 2009226664432028
Feb 20099922904712
Mar 200910292518534
Apr 20093433525379
May 20092381717323
Jun 20094101122237
Jul 20092221225164
Aug 20091741006170
Sep 20092921983360
Oct 20093871954322
Nov 20093002304303
Dec 20093262281232
Jan 20102642494254
Feb 20102302199261
Mar 20102411951231
Apr 20101881468225
May 20101291647190
Jun 20101471455170
Jul 20101711619170
Aug 20101471277122
Sep 20101851423203
Oct 20102721305221
Nov 20102801390232
Dec 20102311233160
Jan 20112061108182
Feb 20112221249183
Mar 20112141123193
Apr 20112301086124
May 2011193876129
Jun 20111371129101
Jul 2011140145483
Aug 2011144135690
Sep 20111961493199
Oct 20112071316351
Nov 20111131275176
Dec 201101456212
Jan 201201581140
Feb 201201581232
Mar 201201366188
Apr 2012111947155
May 20121611370179
Jun 2012571364114
Jul 2012401141109
Aug 20123891283
Sep 201281385173
Oct 201221032134
Nov 201221165143
Dec 2012074467
Jan 2013094863
Feb 20131110270
Mar 20130135388
Apr 20132165792
May 2013102529207
Jun 2013201959122
Jul 2013161862137
Aug 201391671118
Sep 2013163609159
Oct 2013132603165
Nov 2013232693166
Dec 2013322338251
Jan 20143159888
Feb 201412249188
Mar 201412404166
Apr 201402527174
May 201423340183
Jun 201432428159
Jul 201403586503
Aug 201402519293
Sep 201403235358
Oct 2014101019229
Nov 2014612152398
Dec 2014651734608
Jan 2015902066505
Feb 20153331631398
Mar 20154812206802
Apr 20154772882468
May 20153922039426
Jun 20152411468294
Jul 20152731368251
Aug 20152751446316
Sep 20152541718220
Oct 20153581650165
Nov 20155372494231
Dec 20153922002128
Jan 20168032452160
Feb 20162183192444
Mar 20161415301534
Apr 20161252735295
May 20161543461378
Jun 2016932620309
Jul 2016842492300
Aug 20161042176361
Sep 20161222680305
Oct 20161382585590
Nov 20161143594578
Dec 2016762429468
Jan 2017462653401
Feb 201762641426
Mar 201753092472
Apr 201743284497
May 201712366303
Jun 201722916259
Jul 201701718315
Aug 201702136324
Sep 201732129299
Oct 201702567504
Nov 201703103427
Dec 201701000120
Total2222224692736521