Skip to main content
Subscribe
Log In
More
Log in via Institution
Log in via OpenAthens
Log in via SAVIR
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?
Basket
Search
More
Search for this keyword
Advanced search
Latest content
Current issue
Archive
Authors
About
Podcast
Search for this keyword
Advanced search
Close
More
Main menu
Latest content
Current issue
Archive
Authors
About
Podcast
Subscribe
Log in
More
Log in via Institution
Log in via OpenAthens
Log in via SAVIR
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?
BMJ Journals
You are here
Home
Archive
Volume 21, Issue 1
Assessing the potential for bias in direct observation of adult commuter cycling and helmet use
Email alerts
Article metrics
Article menu
Article
Text
Article
info
Citation
Tools
Share
Rapid Responses
Article
metrics
Alerts
PDF
Methodology
Assessing the potential for bias in direct observation of adult commuter cycling and helmet use
Free
Online download statistics by month:
Online download statistics by month: July 2014 to August 2024
Abstract
Full
Pdf
Jul 2014
324
10
15
Aug 2014
126
2
5
Sep 2014
53
3
5
Oct 2014
41
3
3
Nov 2014
43
5
5
Dec 2014
36
0
4
Jan 2015
198
2
23
Feb 2015
261
5
32
Mar 2015
245
7
18
Apr 2015
110
1
6
May 2015
50
0
0
Jun 2015
36
0
2
Jul 2015
44
2
4
Aug 2015
44
0
1
Sep 2015
95
3
0
Oct 2015
59
4
5
Nov 2015
42
2
2
Dec 2015
58
1
1
Jan 2016
60
0
5
Feb 2016
54
1
7
Mar 2016
25
6
7
Apr 2016
35
5
4
May 2016
31
6
5
Jun 2016
44
11
2
Jul 2016
24
9
5
Aug 2016
34
5
3
Sep 2016
66
7
6
Oct 2016
61
10
2
Nov 2016
53
8
5
Dec 2016
55
21
3
Jan 2017
61
33
5
Feb 2017
32
19
8
Mar 2017
9
12
1
Apr 2017
12
30
4
May 2017
13
30
6
Jun 2017
19
25
4
Jul 2017
35
18
2
Aug 2017
35
18
1
Sep 2017
48
18
7
Oct 2017
44
24
5
Nov 2017
51
27
2
Dec 2017
40
14
1
Jan 2018
28
18
2
Feb 2018
39
17
3
Mar 2018
45
12
3
Apr 2018
49
31
8
May 2018
24
14
3
Jun 2018
46
16
0
Jul 2018
24
14
9
Aug 2018
15
13
3
Sep 2018
32
16
2
Oct 2018
33
7
1
Nov 2018
58
38
0
Dec 2018
80
58
5
Jan 2019
96
65
4
Feb 2019
63
43
1
Mar 2019
44
26
10
Apr 2019
37
15
6
May 2019
36
4
8
Jun 2019
26
6
6
Jul 2019
34
14
8
Aug 2019
35
9
4
Sep 2019
29
9
3
Oct 2019
39
8
4
Nov 2019
21
5
3
Dec 2019
25
6
7
Jan 2020
27
9
6
Feb 2020
18
4
3
Mar 2020
24
3
4
Apr 2020
26
7
2
May 2020
24
8
1
Jun 2020
24
8
2
Jul 2020
18
8
0
Aug 2020
16
2
7
Sep 2020
23
9
2
Oct 2020
21
9
4
Nov 2020
16
4
7
Dec 2020
17
3
0
Jan 2021
21
9
6
Feb 2021
22
2
6
Mar 2021
24
8
7
Apr 2021
17
5
4
May 2021
12
7
3
Jun 2021
3
3
1
Jul 2021
9
7
2
Aug 2021
7
5
5
Sep 2021
8
8
6
Oct 2021
15
7
15
Nov 2021
19
7
13
Dec 2021
17
10
1
Jan 2022
47
20
21
Feb 2022
23
15
3
Mar 2022
21
11
5
Apr 2022
14
11
2
May 2022
43
31
12
Jun 2022
30
22
5
Jul 2022
15
11
2
Aug 2022
33
23
7
Sep 2022
20
18
5
Oct 2022
30
20
7
Nov 2022
39
9
8
Dec 2022
12
5
3
Jan 2023
17
9
8
Feb 2023
47
35
4
Mar 2023
5
1
2
Apr 2023
8
4
9
May 2023
22
12
5
Jun 2023
5
1
5
Jul 2023
7
3
10
Aug 2023
9
4
4
Sep 2023
5
1
1
Oct 2023
9
4
3
Nov 2023
12
6
17
Dec 2023
45
25
3
Jan 2024
10
5
10
Feb 2024
14
10
5
Mar 2024
18
13
36
Apr 2024
45
39
21
May 2024
13
8
4
Jun 2024
25
11
4
Jul 2024
14
6
4
Aug 2024
25
20
7
Total
4874
1436
683
Read the full text or download the PDF:
Subscribe
Log in
Log in via Institution
Log in via OpenAthens
Log in via SAVIR
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?