Limits to the measurement of habitual physical activity by questionnaires

R J Shephard

doi:10.1136/bjsm.37.3.197

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Limits to the measurement of habitual physical activity by questionnaires

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Online download statistics by month: June 2003 to August 2024

	Abstract	Full	Pdf
Jun 2003	188	202	103
Jul 2003	93	241	40
Aug 2003	136	205	34
Sep 2003	52	99	26
Oct 2003	67	158	30
Nov 2003	38	74	24
Dec 2003	37	60	19
Jan 2004	41	188	32
Feb 2004	32	231	25
Mar 2004	43	172	24
Apr 2004	28	63	24
May 2004	57	85	57
Jun 2004	49	96	92
Jul 2004	55	110	124
Aug 2004	63	119	63
Sep 2004	49	224	112
Oct 2004	40	277	129
Nov 2004	39	330	142
Dec 2004	57	286	106
Jan 2005	39	332	113
Feb 2005	61	449	145
Mar 2005	61	292	138
Apr 2005	28	275	100
May 2005	39	247	115
Jun 2005	21	165	99
Jul 2005	33	186	95
Aug 2005	30	195	103
Sep 2005	23	181	70
Oct 2005	45	221	115
Nov 2005	59	214	139
Dec 2005	46	255	86
Jan 2006	37	172	85
Feb 2006	36	146	71
Mar 2006	47	177	113
Apr 2006	74	172	100
May 2006	73	131	111
Jun 2006	47	124	71
Jul 2006	39	124	84
Aug 2006	38	104	59
Sep 2006	46	82	77
Oct 2006	75	123	135
Nov 2006	78	143	136
Dec 2006	47	101	64
Jan 2007	81	89	98
Feb 2007	76	84	124
Mar 2007	72	101	128
Apr 2007	121	53	73
May 2007	83	43	66
Jun 2007	67	30	42
Jul 2007	53	23	52
Aug 2007	65	33	44
Sep 2007	79	38	49
Oct 2007	95	33	63
Nov 2007	77	39	75
Dec 2007	61	28	42
Jan 2008	107	36	60
Feb 2008	98	61	75
Mar 2008	107	37	73
Apr 2008	108	47	83
May 2008	23	23	23
Jun 2008	29	28	33
Jul 2008	35	24	36
Aug 2008	53	23	37
Sep 2008	39	29	34
Oct 2008	49	27	35
Nov 2008	53	28	59
Dec 2008	29	30	36
Jan 2009	74	22	37
Feb 2009	67	39	57
Mar 2009	134	36	72
Apr 2009	106	18	45
May 2009	88	41	53
Jun 2009	72	30	41
Jul 2009	51	29	34
Aug 2009	63	15	30
Sep 2009	102	29	38
Oct 2009	118	25	50
Nov 2009	117	17	52
Dec 2009	75	13	34
Jan 2010	72	35	34
Feb 2010	135	64	88
Mar 2010	254	137	201
Apr 2010	133	54	54
May 2010	75	46	34
Jun 2010	71	34	43
Jul 2010	64	50	42
Aug 2010	61	45	40
Sep 2010	81	39	36
Oct 2010	111	62	44
Nov 2010	168	73	56
Dec 2010	122	46	41
Jan 2011	121	57	86
Feb 2011	141	66	56
Mar 2011	215	68	94
Apr 2011	235	53	82
May 2011	153	28	48
Jun 2011	162	30	46
Jul 2011	88	14	25
Aug 2011	62	19	23
Sep 2011	59	9	20
Oct 2011	55	18	30
Nov 2011	78	61	56
Dec 2011	95	76	62
Jan 2012	153	80	74
Feb 2012	121	87	105
Mar 2012	154	85	71
Apr 2012	154	116	84
May 2012	153	162	96
Jun 2012	129	108	82
Jul 2012	68	25	41
Aug 2012	57	39	39
Sep 2012	104	53	52
Oct 2012	223	125	72
Nov 2012	195	156	116
Dec 2012	134	136	69
Jan 2013	205	149	92
Feb 2013	262	121	91
Mar 2013	250	163	111
Apr 2013	239	196	101
May 2013	161	154	107
Jun 2013	170	109	63
Jul 2013	126	129	79
Aug 2013	130	66	58
Sep 2013	173	121	76
Oct 2013	256	139	86
Nov 2013	226	95	69
Dec 2013	171	105	69
Jan 2014	195	164	85
Feb 2014	181	142	74
Mar 2014	302	201	104
Apr 2014	256	170	96
May 2014	227	213	85
Jun 2014	166	235	73
Jul 2014	162	111	62
Aug 2014	141	127	87
Sep 2014	187	167	87
Oct 2014	242	166	114
Nov 2014	274	194	101
Dec 2014	178	139	72
Jan 2015	196	178	82
Feb 2015	182	153	80
Mar 2015	305	216	123
Apr 2015	230	319	90
May 2015	220	221	85
Jun 2015	192	186	97
Jul 2015	155	168	63
Aug 2015	142	132	62
Sep 2015	175	132	68
Oct 2015	149	103	58
Nov 2015	206	167	95
Dec 2015	172	115	60
Jan 2016	186	162	71
Feb 2016	80	147	49
Mar 2016	81	181	83
Apr 2016	110	244	66
May 2016	96	173	67
Jun 2016	100	108	53
Jul 2016	144	128	61
Aug 2016	165	155	62
Sep 2016	199	96	70
Oct 2016	281	190	86
Nov 2016	252	224	86
Dec 2016	175	230	78
Jan 2017	207	319	92
Feb 2017	146	283	84
Mar 2017	149	132	109
Apr 2017	161	329	116
May 2017	106	398	124
Jun 2017	163	915	114
Jul 2017	585	497	53
Aug 2017	371	233	49
Sep 2017	347	139	42
Oct 2017	457	219	59
Nov 2017	512	244	75
Dec 2017	316	148	56
Jan 2018	1447	1207	69
Feb 2018	659	372	57
Mar 2018	1191	868	116
Apr 2018	864	604	123
May 2018	888	656	111
Jun 2018	454	270	66
Jul 2018	442	290	91
Aug 2018	670	510	127
Sep 2018	543	349	126
Oct 2018	732	466	144
Nov 2018	724	503	142
Dec 2018	1352	1176	106
Jan 2019	829	633	135
Feb 2019	643	470	275
Mar 2019	558	318	149
Apr 2019	420	229	126
May 2019	469	282	160
Jun 2019	296	193	93
Jul 2019	297	211	75
Aug 2019	352	254	85
Sep 2019	373	283	89
Oct 2019	520	398	115
Nov 2019	526	413	138
Dec 2019	373	281	85
Jan 2020	437	345	112
Feb 2020	457	375	90
Mar 2020	472	338	98
Apr 2020	462	319	131
May 2020	447	315	118
Jun 2020	276	181	80
Jul 2020	202	143	45
Aug 2020	308	239	68
Sep 2020	392	301	72
Oct 2020	502	356	105
Nov 2020	475	326	148
Dec 2020	382	261	101
Jan 2021	432	292	131
Feb 2021	724	575	112
Mar 2021	323	159	78
Apr 2021	331	150	92
May 2021	223	177	78
Jun 2021	131	130	54
Jul 2021	597	597	38
Aug 2021	206	205	80
Sep 2021	260	259	96
Oct 2021	1413	1302	126
Nov 2021	469	325	141
Dec 2021	337	264	74
Jan 2022	456	351	101
Feb 2022	761	646	73
Mar 2022	419	291	117
Apr 2022	430	283	113
May 2022	499	305	136
Jun 2022	674	577	87
Jul 2022	871	779	78
Aug 2022	400	295	54
Sep 2022	441	280	93
Oct 2022	522	343	70
Nov 2022	453	257	113
Dec 2022	473	282	87
Jan 2023	544	332	115
Feb 2023	439	248	104
Mar 2023	605	337	143
Apr 2023	582	297	142
May 2023	600	342	128
Jun 2023	496	332	115
Jul 2023	511	383	94
Aug 2023	406	302	94
Sep 2023	443	301	79
Oct 2023	1342	1167	107
Nov 2023	648	542	85
Dec 2023	918	99	28
Jan 2024	574	45	12
Feb 2024	494	31	19
Mar 2024	692	23	16
Apr 2024	518	48	23
May 2024	829	16	9
Jun 2024	594	24	7
Jul 2024	310	49	2
Aug 2024	433	20	9
Total	66319	51845	20189

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