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Confounding and Simpson's paradox

BMJ 1994; 309 doi: https://doi.org/10.1136/bmj.309.6967.1480 (Published 03 December 1994) Cite this as: BMJ 1994;309:1480

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: January 2018 to April 2024

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AbstractFullPdf
Jan 201801880
Feb 201802390
Mar 201811830
Apr 201801770
May 201801250
Jun 201801180
Jul 201811170
Aug 201801370
Sep 201821280
Oct 201801620
Nov 201802250
Dec 201801390
Jan 201931520
Feb 201911980
Mar 201932180
Apr 201991690
May 201901290
Jun 201901170
Jul 201911150
Aug 201931180
Oct 201911360
Nov 201901460
Dec 201911300
Jan 202021210
Feb 202011900
Mar 202001550
May 202011570
Jun 202021450
Jul 202001840
Aug 202011220
Sep 20201310050
Oct 202032940
Nov 202012730
Dec 202022220
Jan 202111890
Feb 202122820
Mar 202102280
Apr 202141910
May 202112830
Jun 202101340
Jul 202101360
Aug 2021012720
Sep 202144970
Oct 202112710
Nov 202132830
Dec 202101980
Jan 202211720
Feb 202201850
Mar 202212950
Apr 202222140
May 202202330
Jun 202221320
Jul 202261950
Aug 202231360
Sep 202212250
Oct 202203660
Nov 202201870
Dec 202201460
Jan 202302080
Feb 202311750
Mar 202301730
Apr 202301660
May 202301850
Jun 202301120
Jul 202301070
Aug 202301380
Sep 202311930
Oct 202301810
Nov 202302130
Dec 202312140
Jan 202401660
Feb 202411660
Mar 202401760
Apr 202401260
Total88155830
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