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Education And Debate

Complex interventions: how “out of control” can a randomised controlled trial be?

BMJ 2004; 328 doi: https://doi.org/10.1136/bmj.328.7455.1561 (Published 24 June 2004) Cite this as: BMJ 2004;328:1561

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: June 2004 to January 2021

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AbstractFullPdf
Jun 2004018471163
Jul 20043552467
Aug 20043191134
Sep 200436162133
Oct 20042197107
Nov 20042613686
Dec 20045210471
Jan 2005349135
Feb 2005466624
Mar 2005205320
Apr 2005145925
May 2005105635
Jun 2005134842
Jul 2005104350
Aug 200573428
Sep 2005164247
Oct 2005103442
Nov 200585337
Dec 200553926
Jan 200686244
Feb 200696252
Mar 200667949
Apr 200693825
May 2006103723
Jun 2006114141
Jul 2006111827
Aug 2006132522
Sep 2006103834
Oct 2006125543
Nov 200685252
Dec 200694431
Jan 2007145939
Feb 2007144742
Mar 2007114436
Apr 2007146160
May 2007174547
Jun 2007134339
Jul 2007174343
Aug 2007143927
Sep 2007263636
Oct 2007196345
Nov 2007144540
Dec 200733434
Jan 200864433
Feb 200822432
Mar 200832834
Apr 200884044
May 200833635
Jun 200894347
Jul 200873426
Aug 200863031
Sep 200886133
Oct 2008146444
Nov 2008196850
Dec 200884226
Jan 2009202438
Feb 2009204238
Mar 2009623745
Apr 2009544135
May 2009333124
Jun 2009303130
Jul 2009182218
Aug 2009232636
Sep 2009362424
Oct 2009333833
Nov 2009503042
Dec 2009231720
Jan 2010413732
Feb 2010524153
Mar 2010333035
Apr 2010352820
May 2010331932
Jun 2010262624
Jul 2010412527
Aug 2010472319
Sep 2010592226
Oct 2010672840
Nov 2010643259
Dec 2010371628
Jan 2011472628
Feb 2011651530
Mar 2011794047
Apr 2011492028
May 2011391220
Jun 2011491829
Jul 2011483479
Aug 2011384247
Sep 2011443145
Oct 2011303227
Nov 201185630
Dec 201105016
Jan 2012275433
Feb 2012635831
Mar 2012433418
Apr 2012414023
May 2012592232
Jun 2012545827
Jul 2012204720
Aug 2012207231
Sep 2012893517
Oct 2012918530
Nov 2012465519
Dec 201272810
Jan 2013162510
Feb 201312365
Mar 201321263
Apr 201316236
May 2013242713
Jun 2013654412
Jul 2013253316
Aug 201327238
Sep 2013373921
Oct 2013424922
Nov 2013536224
Dec 2013534116
Jan 201448409
Feb 2014469224
Mar 2014754015
Apr 2014814311
May 2014754013
Jun 2014614013
Jul 201418326
Aug 2014722417
Sep 2014572021
Oct 20141993
Nov 2014402111
Dec 2014120188
Jan 2015823518
Feb 2015324416
Mar 2015404515
Apr 2015514924
May 2015493326
Jun 2015262215
Jul 2015231812
Aug 2015292714
Sep 2015362410
Oct 2015444011
Nov 2015867825
Dec 20153026516
Jan 2016112497
Feb 20161226823
Mar 2016774022
Apr 2016562711
May 20161024518
Jun 20161144219
Jul 2016454213
Aug 2016584415
Sep 2016875326
Oct 2016825625
Nov 2016694319
Dec 201666409
Jan 2017653812
Feb 2017794216
Mar 20171065117
Apr 2017895114
May 20171054218
Jun 2017684817
Jul 20171403913
Aug 201799359
Sep 2017796841
Oct 20171055622
Nov 2017633810
Dec 201757264
Jan 2018765922
Feb 2018646416
Mar 2018877324
Apr 201889419
May 20181224013
Jun 2018975118
Jul 2018684518
Aug 2018883813
Sep 2018773113
Oct 20181084123
Nov 2018894724
Dec 2018682513
Jan 2019923414
Feb 2019935123
Mar 2019955519
Apr 20191625322
May 20191456118
Jun 20191256126
Jul 20191215333
Aug 20191034719
Sep 2019844022
Oct 20191566840
Nov 201910915190
Dec 2019804434
Jan 2020794431
Feb 2020988223
Mar 20201083014
Apr 2020884022
May 20202344523
Jun 20201093217
Jul 20202172811
Aug 20201824118
Sep 20201653818
Oct 20201615129
Nov 20201836236
Dec 20201556427
Jan 2021954819
Total10915113247216