research – Page 180 – SafetyAtWorkBlog

Medical research into stress indicators

Dr Rita Effros spoke to All Things Considered this last weekend about her research into telomeres and cortisol. In the OHS field this is gibberish until you consider the implications of the research outside of the lab. According to the UCLA website “cells of persons under chronic stress have shorter telomeres.” Dr Effros said

“When the body is under stress, it boosts production of cortisol to support a ‘fight or flight’ response. If the hormone remains elevated in the bloodstream for long periods of time, though, it wears down the immune system. We are testing therapeutic ways of enhancing telomerase levels to help the immune system ward off cortisol’s effect. If we’re successful, one day a pill may exist to strengthen the immune system’s ability to weather chronic emotional stress.”

Dr Effros findings could one day reduce the long-term stress experienced by carers of chronically ill family members, soldiers, air traffic controllers, astronauts and people who drive long distances.

Chromosomes (stained blue) end in protective caps called telomeres (stained yellow), which are shorter in persons suffering chronic stress. A new UCLA study suggests cortisol is the culprit behind the telomeres' premature shortening. Copyright: UCLA Share this: Twitter Facebook LinkedIn Like this: Like Loading...

Beaconsfield Coronial Inquest Walkout

On 22 July 2008 the Tasmanian Coroner continued with his inquest into the death of Larry Knight at the Beaconsfield mine on 25 April 2006. Shortly after the start the legal team representing the mine walked out. Newspaper, radio and TV have covered this extraordinary development. Other reports in SafetyAtWorkBlog told of the lawyers’ attempts…

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Australian Level Crossings – Part 2

The Victorian Government’s investigation into level crossing safety is continuing. Yesterday the Parliamentary Committee on Road Safety ran a seminar on technological issues related to level crossings. Today (22 July 2008 ) I attended the morning session of a seminar on Fail-Safe technologies. The meat of today’s seminar was to be an open and frank…

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Australian Workplace Injury Statistics

On 15 July 2008, the Australian government released the 2005-2006 Compendium of Workers’ Compensation Statistics Australia. I am pleasantly surprised that although the number of fatalities is never at an acceptable level the trend data is very positive in terms of safety management.

Some key findings and trends reported in the Compendium include:

Preliminary data for 2005-06 shows there were 231 compensated fatalities, 93 per cent of which were men.

Preliminary data for 2005-06 reports the transport and storage industry accounted for the largest number of fatalities (41), followed by construction (33) and manufacturing (28).

Trend data results showed all industries experienced a fall in incidence rates of injury and disease between 1997-98 and 2004-05, with the greatest falls being in the priority industries of mining (45 per cent decrease), construction (27 per cent decrease), transport and storage (20 per cent decrease), agriculture, forestry and fishing (19 per cent decrease) and manufacturing (18 per cent decrease).

Reflecting Australia’s ageing labour force, the proportion of claims for employees aged 45 years or more increased from 33 per cent in 1997-98 to 39 per cent in 2004-05.

Such decreases in these major industries should be applauded. Certainly the background to the statistics should be analysed for a proper consideration but the mining results are terrific given that the sector is booming in Australia with new mines opening frequently and is suffering a shortage of skilled labour. Colleagues of mine in that sector have been crowing about the improvements for some time and they seem to be supported by this compendium.

The data can be downloaded HERE

Independent okay for New Zealand’s sex industry

In 2000, sexworkers advocates in Australia published “A guide to best practice – Occupational health and safety in the Australian sex industry”. They tried for some time to have OHS authorities accept it as an industry-based code applicable to that particular State. As far as I know, they were unsuccessful but many of the elements of the guide have been picked up in various laws and licensing conditions since then. An updated soft version of the guide is available online, along with guidelines from other jurisdictions. (My edition of Safety At Work concerning the sex industry is still available as a free download)

I was reminded of this today when I saw a report from New Zealand about sexworker safety. It was reported that two Women’s Institute members from England have undertaken a world tour of brothel districts to determine the impact of local laws on prostitution. They were very impressed by New Zealand’s sex industry.

I am very impressed that an institution like the Women’s Institute undertook this activity. The realist approach to an activity that will never go away speaks volumes for how an organisation unfairly stereotyped is establishing a contemporary relevance.

Disclaimer: I treasure the WI Cookbook I purchased in the Lake District on my honeymoon over 20 years ago. It’s much better than some of the modern books that rely on manufactured ingredients.

Shiftwork risks

For fixed periods over the last two years I have been working morning or night shift for a multi-national business information company. I know shiftwork fairly well although I have never worked rotating shifts and the longest shift worked is around nine hours. That may well categorise me as a wimp to those oil-rig workers, firefighters, bakers and miners out there, but…..

being an OHS professional I have been very watchful of my own health when working shiftwork. On full night shift it took my digestion weeks to break the routine of over forty years. My weight has increased but no chronic illnesses yet. My biggest risk comes from fatigue in the drive to and from work though I have to admit that at 2.30 in the morning in Melbourne, I could use my cruise control on the suburban streets as the traffic is so light.

I have also been more keenly aware of the studies and reports on shiftwork and the health risks associated with it. Often these reports garner considerable media coverage and, as is the way with media, some contrary articles never get a run. Below is a selection of links to articles that highlight increased risk or the reduction of risk in relation to shiftwork:

Epidemiological Diagnosis of Occupational Fatigue in a Fly-In–Fly-Out Operation of the Mineral Industry

Simple Schedule Changes Could Improve Shift Worker Health

U of T research finds shift work linked to organ disease

This is a selection of the most recent and show the difficulties posed to OHS professionals and managers in handling this emerging risk.

For the moment, I am taking the issue of shiftwork out of my personal concerns. I will focus instead on the health, fitness and fatigue issues applying the logic that the hazard variable over which I have the most control is myself.

Minimising stress hazards by managing better

Wendy MacDonald, from Latrobe University’s Centre for Ergonomics and Human Factors, discussed the possible breach of OHS legislation by the Australian Prime Minister Kevin Rudd’s dismissal of the risk of working excessive hours by public servants, recently on ABC radio.

The podcast can be accessed HERE

By identifying the links between excessive working hours and the increase in cardiovascular problems due to stress, the report echoes other posts in safetyatworkblog but also adds a new dimension to the Victorian government’s WorkHealth strategy. If the link of excessive working hours to stress-related conditions is proven, and I think the evidence is already there, then there is an obligation under OHS law to control the hazard at the source, to eliminate the hazard.

I wait to see the WorkHealth publications that advise managers to reduce workload to “healthy” levels, to ensure that adequate leave is taken to ensure people are “fit for work” and that they cap working hours to a safe level.

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