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BMJ Journals
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Volume 4, Issue 1
ANOVA, t tests, and linear regression
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This article has a correction. Please see:
Correction - June 01, 1998
PDF
METHODOLOGIC ISSUES
ANOVA,
t
tests, and linear regression
Online download statistics by month:
Online download statistics by month: April 2002 to March 2024
Abstract
Full
Pdf
Apr 2002
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May 2002
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Jun 2002
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Aug 2002
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2
0
Sep 2002
0
2
1
Oct 2002
0
3
1
Nov 2002
0
3
2
Dec 2002
0
7
6
Jan 2003
0
2
1
Mar 2003
0
6
5
Apr 2003
0
3
0
May 2003
0
4
5
Jun 2003
0
4
3
Jul 2003
0
13
2
Aug 2003
0
8
1
Sep 2003
0
14
5
Oct 2003
0
6
3
Nov 2003
0
16
3
Dec 2003
0
9
1
Jan 2004
0
161
2
Feb 2004
0
70
0
Mar 2004
0
8
3
Apr 2004
0
7
0
May 2004
0
5
1
Jun 2004
0
15
6
Jul 2004
0
9
2
Aug 2004
0
21
3
Sep 2004
0
25
4
Oct 2004
11
33
5
Nov 2004
10
34
5
Dec 2004
9
33
6
Jan 2005
11
45
8
Feb 2005
13
37
7
Mar 2005
18
59
8
Apr 2005
13
47
22
May 2005
10
43
11
Jun 2005
7
21
5
Jul 2005
10
36
13
Aug 2005
7
27
10
Sep 2005
6
25
11
Oct 2005
9
42
5
Nov 2005
4
48
4
Dec 2005
6
39
14
Jan 2006
5
35
8
Feb 2006
8
20
4
Mar 2006
5
31
9
Apr 2006
4
19
7
May 2006
6
21
13
Jun 2006
1
20
3
Jul 2006
2
13
7
Aug 2006
1
8
6
Sep 2006
8
54
8
Oct 2006
2
68
13
Nov 2006
4
104
15
Dec 2006
2
100
12
Jan 2007
2
87
18
Feb 2007
2
104
34
Mar 2007
7
138
26
Apr 2007
77
42
13
May 2007
90
39
12
Jun 2007
53
29
15
Jul 2007
24
39
10
Aug 2007
39
25
11
Sep 2007
29
23
11
Oct 2007
36
38
13
Nov 2007
57
32
14
Dec 2007
57
19
12
Jan 2008
47
39
18
Feb 2008
72
30
21
Mar 2008
80
45
18
Apr 2008
79
38
16
May 2008
38
20
11
Jun 2008
27
18
1
Jul 2008
21
11
4
Aug 2008
26
12
2
Sep 2008
36
32
8
Oct 2008
55
21
3
Nov 2008
67
28
4
Dec 2008
47
20
1
Jan 2009
33
17
3
Feb 2009
24
13
2
Mar 2009
40
17
0
Apr 2009
62
22
3
May 2009
59
23
2
Jun 2009
36
19
4
Jul 2009
37
16
4
Aug 2009
38
18
3
Sep 2009
46
22
5
Oct 2009
62
30
11
Nov 2009
78
26
3
Dec 2009
47
21
5
Jan 2010
21
14
4
Feb 2010
10
11
4
Mar 2010
33
14
5
Apr 2010
31
19
4
May 2010
19
19
4
Jun 2010
13
6
1
Jul 2010
10
10
7
Aug 2010
10
11
4
Sep 2010
18
16
2
Oct 2010
8
7
62
Nov 2010
11
9
0
Dec 2010
12
7
0
Jan 2011
10
8
2
Feb 2011
16
1
0
Mar 2011
18
11
0
Apr 2011
17
13
4
May 2011
33
12
8
Jun 2011
29
3
2
Jul 2011
14
2
1
Aug 2011
26
2
0
Sep 2011
30
9
3
Oct 2011
23
7
2
Nov 2011
19
20
6
Dec 2011
12
42
4
Jan 2012
5
21
4
Feb 2012
4
24
8
Mar 2012
16
36
17
Apr 2012
16
54
8
May 2012
17
64
10
Jun 2012
17
36
10
Jul 2012
10
56
8
Aug 2012
13
40
12
Sep 2012
9
41
10
Oct 2012
11
84
15
Nov 2012
0
46
4
Dec 2012
0
48
11
Jan 2013
0
68
17
Feb 2013
0
69
12
Mar 2013
0
81
11
Apr 2013
0
126
21
May 2013
0
137
12
Jun 2013
3
82
5
Jul 2013
10
68
9
Aug 2013
9
67
5
Sep 2013
7
54
6
Oct 2013
10
76
2
Nov 2013
5
87
9
Dec 2013
8
105
1
Jan 2014
3
55
3
Feb 2014
4
86
8
Mar 2014
7
101
14
Apr 2014
9
144
11
May 2014
18
114
10
Jun 2014
23
74
4
Jul 2014
8
64
4
Aug 2014
3
44
8
Sep 2014
10
44
1
Oct 2014
12
56
9
Nov 2014
6
70
8
Dec 2014
1
33
1
Jan 2015
3
39
4
Feb 2015
3
28
3
Mar 2015
8
136
9
Apr 2015
5
227
8
May 2015
4
50
7
Jun 2015
1
21
1
Jul 2015
2
11
3
Aug 2015
1
27
3
Sep 2015
7
23
5
Oct 2015
2
16
0
Nov 2015
6
35
5
Dec 2015
4
20
5
Jan 2016
4
9
5
Feb 2016
4
11
3
Mar 2016
2
10
8
Apr 2016
10
18
3
May 2016
5
21
11
Jun 2016
2
21
10
Jul 2016
10
18
11
Aug 2016
5
11
8
Sep 2016
2
21
11
Oct 2016
5
15
12
Nov 2016
4
30
5
Dec 2016
1
18
2
Jan 2017
12
24
6
Feb 2017
2
12
4
Mar 2017
3
14
8
Apr 2017
0
9
4
May 2017
0
26
5
Jun 2017
5
10
1
Jul 2017
17
17
0
Aug 2017
21
21
0
Sep 2017
30
26
1
Oct 2017
37
35
3
Nov 2017
39
35
1
Dec 2017
26
24
0
Jan 2018
39
35
2
Feb 2018
44
40
13
Mar 2018
48
44
5
Apr 2018
100
98
23
May 2018
105
106
9
Jun 2018
68
66
9
Jul 2018
57
53
10
Aug 2018
47
45
3
Sep 2018
56
56
11
Oct 2018
65
63
8
Nov 2018
88
86
11
Dec 2018
63
61
9
Jan 2019
71
60
12
Feb 2019
73
66
11
Mar 2019
102
90
14
Apr 2019
121
115
33
May 2019
91
81
24
Jun 2019
82
80
17
Jul 2019
58
53
21
Aug 2019
53
45
10
Sep 2019
61
52
16
Oct 2019
83
60
14
Nov 2019
103
78
18
Dec 2019
122
94
17
Jan 2020
116
91
139
Feb 2020
83
71
9
Mar 2020
113
89
27
Apr 2020
185
147
33
May 2020
148
119
24
Jun 2020
119
89
33
Jul 2020
125
78
25
Aug 2020
149
105
24
Sep 2020
206
185
28
Oct 2020
248
223
28
Nov 2020
229
183
24
Dec 2020
206
170
34
Jan 2021
231
203
17
Feb 2021
212
194
32
Mar 2021
340
290
52
Apr 2021
395
355
39
May 2021
393
366
50
Jun 2021
266
267
42
Jul 2021
284
287
42
Aug 2021
318
319
34
Sep 2021
387
387
43
Oct 2021
563
505
62
Nov 2021
718
663
63
Dec 2021
615
567
28
Jan 2022
424
372
54
Feb 2022
343
325
24
Mar 2022
703
641
59
Apr 2022
656
591
61
May 2022
649
550
66
Jun 2022
360
318
47
Jul 2022
251
219
24
Aug 2022
303
266
34
Sep 2022
344
292
44
Oct 2022
415
373
38
Nov 2022
525
489
40
Dec 2022
548
503
19
Jan 2023
383
356
51
Feb 2023
474
435
45
Mar 2023
477
458
47
Apr 2023
583
556
49
May 2023
524
504
62
Jun 2023
466
439
38
Jul 2023
378
377
36
Aug 2023
342
327
36
Sep 2023
357
346
28
Oct 2023
517
513
33
Nov 2023
442
415
43
Dec 2023
713
109
12
Jan 2024
66
1
1
Feb 2024
215
13
2
Mar 2024
653
34
3
Total
23391
23891
3503
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