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Volume 56, Issue 8
Impact numbers: measures of risk factor impact on the whole population from case-control and cohort studies
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Theory and methods
Impact numbers: measures of risk factor impact on the whole population from case-control and cohort studies
Online download statistics by month:
Online download statistics by month: July 2002 to March 2024
Abstract
Full
Pdf
Jul 2002
111
69
83
Aug 2002
38
47
67
Sep 2002
14
22
28
Oct 2002
11
27
22
Nov 2002
3
11
10
Dec 2002
5
13
8
Jan 2003
5
28
24
Feb 2003
3
13
8
Mar 2003
5
10
5
Apr 2003
3
14
8
May 2003
10
19
20
Jun 2003
3
15
21
Jul 2003
13
19
12
Aug 2003
10
20
8
Sep 2003
16
23
7
Oct 2003
24
24
8
Nov 2003
42
64
29
Dec 2003
22
16
9
Jan 2004
24
23
10
Feb 2004
7
14
2
Mar 2004
19
40
15
Apr 2004
19
26
7
May 2004
38
47
17
Jun 2004
39
68
50
Jul 2004
47
56
16
Aug 2004
42
50
23
Sep 2004
36
66
30
Oct 2004
21
61
23
Nov 2004
33
62
25
Dec 2004
17
41
25
Jan 2005
31
59
17
Feb 2005
10
31
24
Mar 2005
20
33
33
Apr 2005
4
32
8
May 2005
12
40
24
Jun 2005
9
23
16
Jul 2005
9
40
29
Aug 2005
11
21
13
Sep 2005
6
16
27
Oct 2005
16
27
23
Nov 2005
11
25
23
Dec 2005
12
16
15
Jan 2006
13
29
16
Feb 2006
16
20
15
Mar 2006
10
45
24
Apr 2006
13
13
11
May 2006
4
22
23
Jun 2006
9
17
17
Jul 2006
4
20
12
Aug 2006
7
21
17
Sep 2006
5
34
23
Oct 2006
7
55
27
Nov 2006
11
51
35
Dec 2006
5
35
20
Jan 2007
8
46
25
Feb 2007
5
35
19
Mar 2007
6
65
43
Apr 2007
27
26
15
May 2007
15
19
12
Jun 2007
18
14
12
Jul 2007
18
30
17
Aug 2007
20
11
9
Sep 2007
21
8
14
Oct 2007
31
21
18
Nov 2007
10
19
14
Dec 2007
7
12
10
Jan 2008
16
14
10
Feb 2008
18
7
9
Mar 2008
18
15
12
Apr 2008
21
6
7
May 2008
8
9
5
Jun 2008
16
7
7
Jul 2008
31
5
6
Aug 2008
17
8
4
Sep 2008
36
9
11
Oct 2008
13
3
7
Nov 2008
12
7
8
Dec 2008
13
6
4
Jan 2009
14
11
5
Feb 2009
22
7
9
Mar 2009
26
12
9
Apr 2009
12
12
10
May 2009
10
9
8
Jun 2009
15
3
5
Jul 2009
15
2
6
Aug 2009
19
3
6
Sep 2009
20
10
12
Oct 2009
22
8
8
Nov 2009
30
4
3
Dec 2009
21
5
10
Jan 2010
24
4
5
Feb 2010
14
6
3
Mar 2010
18
9
5
Apr 2010
8
8
5
May 2010
10
7
5
Jun 2010
18
10
12
Jul 2010
15
0
2
Aug 2010
2
2
2
Sep 2010
8
6
4
Oct 2010
14
4
6
Nov 2010
21
6
5
Dec 2010
9
6
2
Jan 2011
15
2
2
Feb 2011
8
6
7
Mar 2011
14
2
3
Apr 2011
6
6
2
May 2011
17
8
4
Jun 2011
12
3
0
Jul 2011
15
2
5
Aug 2011
13
1
1
Sep 2011
13
1
2
Oct 2011
11
3
2
Nov 2011
27
8
6
Dec 2011
12
14
4
Jan 2012
8
7
15
Feb 2012
10
2
2
Mar 2012
23
15
9
Apr 2012
6
26
10
May 2012
9
17
10
Jun 2012
7
5
14
Jul 2012
5
9
5
Aug 2012
17
6
13
Sep 2012
14
8
5
Oct 2012
18
10
6
Nov 2012
20
15
4
Dec 2012
14
10
9
Jan 2013
24
18
7
Feb 2013
16
14
7
Mar 2013
12
15
7
Apr 2013
35
8
5
May 2013
17
8
7
Jun 2013
1
4
0
Jul 2013
4
3
2
Aug 2013
14
3
1
Sep 2013
5
5
3
Oct 2013
3
3
2
Nov 2013
6
10
5
Dec 2013
10
4
5
Jan 2014
5
2
4
Feb 2014
8
8
3
Mar 2014
10
7
3
Apr 2014
23
16
4
May 2014
6
6
0
Jun 2014
4
11
3
Jul 2014
5
23
1
Aug 2014
4
11
2
Sep 2014
12
4
3
Oct 2014
2
10
0
Nov 2014
6
14
2
Dec 2014
5
15
2
Jan 2015
2
31
3
Feb 2015
3
10
5
Mar 2015
6
15
2
Apr 2015
3
13
1
May 2015
7
24
6
Jun 2015
6
14
5
Jul 2015
4
4
5
Aug 2015
2
10
1
Sep 2015
8
15
2
Oct 2015
9
8
1
Nov 2015
4
8
6
Dec 2015
3
3
0
Jan 2016
9
11
1
Feb 2016
9
12
1
Mar 2016
9
6
7
Apr 2016
6
13
6
May 2016
14
17
4
Jun 2016
10
10
8
Jul 2016
10
13
3
Aug 2016
15
22
7
Sep 2016
12
11
5
Oct 2016
27
18
5
Nov 2016
13
15
6
Dec 2016
6
17
5
Jan 2017
12
11
3
Feb 2017
1
23
5
Mar 2017
2
14
2
Apr 2017
1
29
4
May 2017
0
15
4
Jun 2017
5
11
5
Jul 2017
22
22
4
Aug 2017
14
10
2
Sep 2017
38
36
8
Oct 2017
28
28
8
Nov 2017
46
46
8
Dec 2017
32
28
3
Jan 2018
32
30
0
Feb 2018
27
23
10
Mar 2018
43
41
65
Apr 2018
45
45
15
May 2018
61
51
3
Jun 2018
52
51
4
Jul 2018
47
45
6
Aug 2018
30
30
7
Sep 2018
48
48
7
Oct 2018
90
90
8
Nov 2018
96
86
7
Dec 2018
64
62
5
Jan 2019
57
57
5
Feb 2019
53
52
4
Mar 2019
50
48
6
Apr 2019
40
37
11
May 2019
31
28
21
Jun 2019
61
61
13
Jul 2019
40
36
17
Aug 2019
32
32
5
Sep 2019
23
23
3
Oct 2019
49
43
7
Nov 2019
37
32
6
Dec 2019
258
245
23
Jan 2020
70
62
10
Feb 2020
49
45
12
Mar 2020
64
64
2
Apr 2020
24
24
0
May 2020
34
26
4
Jun 2020
21
17
6
Jul 2020
11
8
5
Aug 2020
18
18
15
Sep 2020
27
25
11
Oct 2020
29
27
7
Nov 2020
40
38
15
Dec 2020
27
27
17
Jan 2021
27
27
5
Feb 2021
40
32
7
Mar 2021
54
54
16
Apr 2021
32
30
13
May 2021
35
29
14
Jun 2021
26
26
14
Jul 2021
27
27
23
Aug 2021
23
21
16
Sep 2021
30
30
10
Oct 2021
35
33
25
Nov 2021
37
32
20
Dec 2021
65
66
12
Jan 2022
96
85
11
Feb 2022
71
77
23
Mar 2022
48
51
17
Apr 2022
35
34
12
May 2022
79
63
19
Jun 2022
58
50
15
Jul 2022
49
44
7
Aug 2022
71
70
5
Sep 2022
63
63
15
Oct 2022
120
117
21
Nov 2022
56
59
12
Dec 2022
93
92
3
Jan 2023
54
51
9
Feb 2023
72
75
12
Mar 2023
83
77
11
Apr 2023
51
37
17
May 2023
47
42
12
Jun 2023
30
31
6
Jul 2023
39
35
7
Aug 2023
28
26
15
Sep 2023
20
20
9
Oct 2023
37
36
11
Nov 2023
139
51
14
Dec 2023
262
17
7
Jan 2024
42
3
1
Feb 2024
62
1
1
Mar 2024
216
8
2
Total
6908
6689
2757
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