Methods in epidemiology and public health: does practice match theory?

D L Weed

doi:10.1136/jech.55.2.104

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Theory and methods

Methods in epidemiology and public health: does practice match theory?

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Online download statistics by month: January 2001 to March 2024

	Abstract	Full	Pdf
Jan 2001	0	172	38
Feb 2001	0	98	24
Mar 2001	0	57	13
Apr 2001	0	46	4
May 2001	0	38	4
Jun 2001	0	21	2
Jul 2001	0	23	7
Aug 2001	0	45	9
Sep 2001	0	21	3
Oct 2001	0	25	6
Nov 2001	0	22	11
Dec 2001	0	15	4
Jan 2002	0	19	3
Feb 2002	0	23	6
Mar 2002	0	28	9
Apr 2002	0	29	5
May 2002	0	32	11
Jun 2002	0	21	11
Jul 2002	0	9	6
Aug 2002	0	14	5
Sep 2002	0	28	13
Oct 2002	0	29	6
Nov 2002	0	22	8
Dec 2002	0	13	7
Jan 2003	0	18	5
Feb 2003	0	24	8
Mar 2003	0	21	1
Apr 2003	0	32	4
May 2003	0	27	8
Jun 2003	0	17	7
Jul 2003	0	29	7
Aug 2003	0	20	6
Sep 2003	0	21	3
Oct 2003	0	23	9
Nov 2003	0	28	8
Dec 2003	0	19	8
Jan 2004	0	37	8
Feb 2004	1	15	7
Mar 2004	0	22	1
Apr 2004	0	20	14
May 2004	0	47	5
Jun 2004	1	65	12
Jul 2004	0	68	13
Aug 2004	0	85	14
Sep 2004	3	125	19
Oct 2004	17	51	25
Nov 2004	13	56	25
Dec 2004	9	72	20
Jan 2005	24	65	23
Feb 2005	15	68	24
Mar 2005	21	51	20
Apr 2005	13	62	43
May 2005	11	51	21
Jun 2005	8	44	16
Jul 2005	14	27	7
Aug 2005	7	36	28
Sep 2005	8	35	15
Oct 2005	12	38	26
Nov 2005	13	25	20
Dec 2005	13	39	33
Jan 2006	12	36	20
Feb 2006	7	37	17
Mar 2006	10	66	30
Apr 2006	17	33	15
May 2006	19	38	22
Jun 2006	30	35	18
Jul 2006	9	34	17
Aug 2006	6	21	11
Sep 2006	16	56	29
Oct 2006	10	73	45
Nov 2006	14	60	25
Dec 2006	8	60	30
Jan 2007	5	63	34
Feb 2007	10	72	27
Mar 2007	12	76	32
Apr 2007	46	17	14
May 2007	26	22	20
Jun 2007	22	9	9
Jul 2007	22	21	9
Aug 2007	20	23	16
Sep 2007	34	28	18
Oct 2007	34	29	26
Nov 2007	27	28	26
Dec 2007	27	12	8
Jan 2008	25	14	14
Feb 2008	41	13	9
Mar 2008	32	21	12
Apr 2008	21	13	19
May 2008	21	18	19
Jun 2008	15	10	6
Jul 2008	43	15	9
Aug 2008	23	12	9
Sep 2008	23	5	6
Oct 2008	26	24	14
Nov 2008	25	14	10
Dec 2008	3	6	4
Jan 2009	20	10	7
Feb 2009	24	13	6
Mar 2009	19	10	6
Apr 2009	18	11	8
May 2009	15	16	3
Jun 2009	10	12	10
Jul 2009	10	11	4
Aug 2009	13	6	4
Sep 2009	17	11	3
Oct 2009	24	14	10
Nov 2009	10	13	7
Dec 2009	11	6	8
Jan 2010	10	5	5
Feb 2010	8	7	2
Mar 2010	14	4	2
Apr 2010	20	16	9
May 2010	28	14	4
Jun 2010	17	15	6
Jul 2010	29	16	9
Aug 2010	24	14	6
Sep 2010	35	16	9
Oct 2010	29	14	4
Nov 2010	26	22	7
Dec 2010	27	11	5
Jan 2011	28	18	2
Feb 2011	21	24	7
Mar 2011	41	19	3
Apr 2011	19	13	3
May 2011	43	16	9
Jun 2011	44	6	4
Jul 2011	32	5	2
Aug 2011	36	4	1
Sep 2011	49	10	2
Oct 2011	39	19	5
Nov 2011	46	64	12
Dec 2011	13	61	14
Jan 2012	19	37	6
Feb 2012	12	47	8
Mar 2012	9	87	16
Apr 2012	13	53	11
May 2012	8	88	8
Jun 2012	6	112	12
Jul 2012	9	92	19
Aug 2012	9	81	11
Sep 2012	18	215	15
Oct 2012	23	186	18
Nov 2012	0	183	25
Dec 2012	0	171	16
Jan 2013	0	171	18
Feb 2013	0	196	20
Mar 2013	0	217	23
Apr 2013	0	252	17
May 2013	0	287	15
Jun 2013	5	214	16
Jul 2013	6	197	10
Aug 2013	6	190	8
Sep 2013	6	269	17
Oct 2013	5	252	9
Nov 2013	33	285	18
Dec 2013	13	251	11
Jan 2014	3	254	10
Feb 2014	7	278	20
Mar 2014	12	313	15
Apr 2014	13	394	14
May 2014	31	324	15
Jun 2014	21	335	23
Jul 2014	5	337	17
Aug 2014	6	311	19
Sep 2014	0	456	12
Oct 2014	6	376	26
Nov 2014	11	330	16
Dec 2014	7	309	18
Jan 2015	5	279	9
Feb 2015	8	271	8
Mar 2015	8	288	12
Apr 2015	5	314	11
May 2015	5	346	13
Jun 2015	1	247	13
Jul 2015	10	266	9
Aug 2015	1	293	10
Sep 2015	13	344	21
Oct 2015	3	218	7
Nov 2015	3	353	18
Dec 2015	11	302	11
Jan 2016	9	332	20
Feb 2016	5	385	15
Mar 2016	6	348	17
Apr 2016	3	466	29
May 2016	9	333	19
Jun 2016	7	260	11
Jul 2016	6	273	18
Aug 2016	8	288	11
Sep 2016	16	364	8
Oct 2016	4	337	17
Nov 2016	21	393	20
Dec 2016	12	337	19
Jan 2017	6	369	12
Feb 2017	5	322	11
Mar 2017	1	290	7
Apr 2017	4	240	13
May 2017	2	328	21
Jun 2017	81	259	12
Jul 2017	215	215	10
Aug 2017	145	145	5
Sep 2017	323	321	13
Oct 2017	327	310	16
Nov 2017	310	296	14
Dec 2017	202	202	9
Jan 2018	265	257	29
Feb 2018	385	357	32
Mar 2018	376	373	15
Apr 2018	404	400	11
May 2018	332	332	11
Jun 2018	275	277	10
Jul 2018	397	395	21
Aug 2018	423	419	35
Sep 2018	530	526	35
Oct 2018	526	524	31
Nov 2018	723	720	53
Dec 2018	430	426	31
Jan 2019	494	492	32
Feb 2019	535	537	40
Mar 2019	507	493	46
Apr 2019	468	466	36
May 2019	580	566	48
Jun 2019	379	376	21
Jul 2019	387	384	29
Aug 2019	375	369	25
Sep 2019	434	430	30
Oct 2019	425	418	35
Nov 2019	492	487	46
Dec 2019	373	371	54
Jan 2020	448	443	45
Feb 2020	503	500	56
Mar 2020	366	360	40
Apr 2020	312	308	36
May 2020	249	248	33
Jun 2020	240	236	32
Jul 2020	279	277	9
Aug 2020	200	200	11
Sep 2020	333	333	27
Oct 2020	275	268	22
Nov 2020	301	299	22
Dec 2020	343	339	25
Jan 2021	281	279	26
Feb 2021	300	294	31
Mar 2021	239	239	25
Apr 2021	248	248	17
May 2021	170	168	16
Jun 2021	159	159	18
Jul 2021	184	185	18
Aug 2021	170	170	17
Sep 2021	189	190	28
Oct 2021	186	191	32
Nov 2021	76	70	22
Dec 2021	186	196	16
Jan 2022	144	153	21
Feb 2022	119	125	9
Mar 2022	159	167	32
Apr 2022	177	180	23
May 2022	224	229	20
Jun 2022	135	137	15
Jul 2022	98	96	7
Aug 2022	169	169	16
Sep 2022	221	221	24
Oct 2022	225	229	15
Nov 2022	292	294	15
Dec 2022	195	199	11
Jan 2023	151	154	9
Feb 2023	127	121	1
Mar 2023	196	187	30
Apr 2023	80	81	17
May 2023	95	99	13
Jun 2023	92	95	1
Jul 2023	117	113	11
Aug 2023	92	93	6
Sep 2023	85	89	12
Oct 2023	112	111	6
Nov 2023	115	109	9
Dec 2023	262	28	3
Jan 2024	106	5	3
Feb 2024	114	1	2
Mar 2024	317	5	2
Total	24906	43162	4339

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