Rescheduling a three shift system at a steel rolling mill: effects of a one hour delay of shift starting times on sleep and alertness in younger and older workers.

R R Rosa; M Härmä; K Pulli; M Mulder; O Näsman

doi:10.1136/oem.53.10.677

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Research Article

Rescheduling a three shift system at a steel rolling mill: effects of a one hour delay of shift starting times on sleep and alertness in younger and older workers.

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	Abstract	Full	Pdf
May 2000	1	0	0
Jun 2000	1	0	0
Sep 2000	1	0	0
Oct 2000	3	0	0
Nov 2000	2	0	0
Mar 2001	1	0	0
May 2001	2	0	0
Jun 2001	1	0	0
Jul 2001	1	0	0
Aug 2001	6	0	0
Sep 2001	1	0	0
Oct 2001	3	0	0
Nov 2001	5	0	0
Dec 2001	3	0	0
Jan 2002	1	0	0
Feb 2002	2	0	0
Mar 2002	2	0	0
Apr 2002	2	0	0
May 2002	3	0	0
Jun 2002	3	0	0
Jul 2002	1	0	0
Nov 2002	1	0	0
Jan 2003	2	0	0
Feb 2003	1	0	0
Mar 2003	1	0	0
May 2003	1	0	0
Jun 2003	1	0	0
Jul 2003	3	0	0
Aug 2003	4	0	0
Sep 2003	5	0	0
Oct 2003	12	0	0
Nov 2003	5	0	0
Dec 2003	5	0	0
Jan 2004	9	0	0
Feb 2004	3	0	0
Mar 2004	8	0	0
Apr 2004	6	0	0
May 2004	7	0	0
Jun 2004	5	0	0
Jul 2004	13	0	0
Aug 2004	8	0	0
Sep 2004	5	0	0
Oct 2004	6	0	0
Nov 2004	7	0	0
Dec 2004	6	0	0
Jan 2005	9	0	0
Feb 2005	9	0	0
Mar 2005	6	0	0
Apr 2005	4	0	0
May 2005	5	0	0
Jun 2005	9	0	0
Jul 2005	10	0	0
Aug 2005	5	0	0
Sep 2005	3	0	0
Oct 2005	13	0	0
Nov 2005	3	0	0
Jan 2006	5	0	0
Feb 2006	4	0	0
Mar 2006	6	0	0
Apr 2006	4	0	0
May 2006	5	0	0
Jun 2006	6	0	0
Jul 2006	9	0	0
Aug 2006	5	0	0
Sep 2006	6	0	0
Oct 2006	12	0	0
Nov 2006	7	0	0
Dec 2006	7	0	0
Jan 2007	8	0	0
Feb 2007	5	0	0
Mar 2007	8	0	0
Apr 2007	9	0	0
May 2007	7	0	0
Jun 2007	6	0	0
Jul 2007	7	0	0
Aug 2007	9	0	0
Sep 2007	7	0	0
Oct 2007	10	0	0
Nov 2007	3	0	0
Dec 2007	8	0	0
Jan 2008	7	0	0
Feb 2008	5	0	0
Mar 2008	13	0	0
Apr 2008	9	0	0
May 2008	4	0	0
Jun 2008	5	0	0
Jul 2008	4	0	0
Sep 2008	5	0	0
Nov 2008	1	0	2
Dec 2008	3	0	2
Jan 2009	9	0	0
Feb 2009	5	0	2
Mar 2009	4	0	2
Apr 2009	3	0	1
May 2009	6	0	1
Jun 2009	4	0	2
Jul 2009	1	0	0
Aug 2009	3	0	2
Sep 2009	3	0	1
Oct 2009	8	0	0
Nov 2009	7	0	4
Dec 2009	11	0	0
Jan 2010	7	0	6
Feb 2010	14	0	2
Mar 2010	10	0	2
Apr 2010	5	0	2
May 2010	8	0	1
Jun 2010	5	0	4
Jul 2010	11	0	2
Aug 2010	11	0	2
Sep 2010	5	0	2
Oct 2010	9	0	3
Nov 2010	11	0	0
Dec 2010	16	0	3
Jan 2011	7	0	0
Feb 2011	7	0	2
Mar 2011	8	0	2
Apr 2011	6	0	1
May 2011	8	0	4
Jun 2011	2	0	0
Jul 2011	4	0	0
Aug 2011	3	0	3
Sep 2011	5	1	5
Oct 2011	4	0	2
Nov 2011	5	0	2
Dec 2011	17	0	10
Jan 2012	14	0	17
Feb 2012	5	0	23
Mar 2012	10	0	15
Apr 2012	9	0	20
May 2012	15	0	18
Jun 2012	6	0	20
Jul 2012	13	0	17
Aug 2012	8	0	13
Sep 2012	29	0	20
Oct 2012	13	0	13
Nov 2012	16	0	11
Dec 2012	14	0	21
Jan 2013	20	0	19
Feb 2013	7	0	19
Mar 2013	11	0	10
Apr 2013	22	0	14
May 2013	11	0	17
Jun 2013	5	0	12
Jul 2013	3	1	7
Aug 2013	32	0	7
Sep 2013	7	0	9
Oct 2013	8	0	3
Nov 2013	11	0	12
Dec 2013	5	0	8
Jan 2014	6	0	161
Feb 2014	6	0	4
Mar 2014	22	0	11
Apr 2014	14	1	5
May 2014	23	0	5
Jun 2014	9	0	5
Jul 2014	14	0	7
Aug 2014	8	0	13
Sep 2014	3	0	4
Oct 2014	5	0	7
Nov 2014	15	0	9
Dec 2014	8	0	3
Jan 2015	7	0	5
Feb 2015	5	0	6
Mar 2015	12	0	4
Apr 2015	7	0	6
May 2015	10	0	14
Jun 2015	5	0	4
Jul 2015	5	0	7
Aug 2015	15	0	5
Sep 2015	12	0	6
Oct 2015	22	0	5
Nov 2015	14	0	15
Dec 2015	10	0	6
Jan 2016	15	0	9
Feb 2016	5	0	7
Mar 2016	14	0	15
Apr 2016	16	0	16
May 2016	18	0	6
Jun 2016	7	0	6
Jul 2016	7	0	5
Aug 2016	6	0	4
Sep 2016	10	0	6
Oct 2016	7	0	5
Nov 2016	12	0	3
Dec 2016	4	0	1
Jan 2017	8	0	5
Feb 2017	5	0	4
Mar 2017	9	0	0
Apr 2017	10	0	4
May 2017	6	0	2
Jun 2017	8	0	4
Jul 2017	15	0	9
Aug 2017	14	0	1
Sep 2017	20	0	4
Oct 2017	36	0	4
Nov 2017	20	0	5
Dec 2017	48	0	8
Jan 2018	28	0	9
Feb 2018	28	0	5
Mar 2018	24	0	4
Apr 2018	22	0	5
May 2018	8	0	5
Jun 2018	6	0	1
Jul 2018	82	0	6
Aug 2018	10	0	6
Sep 2018	16	0	2
Oct 2018	18	0	12
Nov 2018	16	0	4
Dec 2018	8	0	0
Jan 2019	24	0	9
Feb 2019	17	0	6
Mar 2019	19	0	13
Apr 2019	20	0	16
May 2019	12	0	27
Jun 2019	12	0	20
Jul 2019	4	0	13
Aug 2019	10	0	5
Sep 2019	2	0	11
Oct 2019	10	0	13
Nov 2019	17	0	23
Dec 2019	10	0	17
Jan 2020	6	0	8
Feb 2020	5	0	12
Mar 2020	11	0	9
Apr 2020	30	0	2
May 2020	18	0	6
Jun 2020	12	0	3
Jul 2020	14	0	6
Aug 2020	2	0	5
Sep 2020	48	0	4
Oct 2020	18	0	22
Nov 2020	11	0	4
Dec 2020	16	0	6
Jan 2021	20	0	13
Feb 2021	22	0	4
Mar 2021	12	0	6
Apr 2021	14	0	5
May 2021	13	0	9
Jun 2021	0	0	6
Jul 2021	0	0	2
Aug 2021	0	0	5
Sep 2021	0	0	5
Oct 2021	24	0	30
Nov 2021	14	0	19
Dec 2021	18	0	4
Jan 2022	24	0	8
Feb 2022	17	0	5
Mar 2022	34	0	13
Apr 2022	24	0	10
May 2022	36	0	9
Jun 2022	36	0	11
Jul 2022	28	0	7
Aug 2022	42	0	3
Sep 2022	40	0	13
Oct 2022	44	0	10
Nov 2022	42	0	6
Dec 2022	16	0	6
Jan 2023	40	0	8
Feb 2023	48	0	2
Mar 2023	10	0	2
Apr 2023	18	0	12
May 2023	16	0	6
Jun 2023	8	0	5
Jul 2023	18	0	7
Aug 2023	10	0	10
Sep 2023	20	0	17
Oct 2023	16	0	6
Nov 2023	36	0	8
Dec 2023	29	0	2
Jan 2024	26	0	1
Feb 2024	44	0	1
Mar 2024	107	0	0
Total	3167	3	1489

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