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Incidence and trends in work-related ill-health in UK agricultural workers

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Incidence and trends in work-related ill-health in UK agricultural workers Jill Stocks Centre for Occupational and Environmental Health University of Manchester – PowerPoint PPT presentation

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Title: Incidence and trends in work-related ill-health in UK agricultural workers


1
Incidence and trends in work-related ill-health
in UK agricultural workers
Jill Stocks Centre for Occupational and
Environmental Health University of Manchester
2
The work-related ill health Surveillance Pyramid
THOR cases
OPRA
Occupational physician
3
Population changes in agricultural workers
(Labour Force Survey,UK)
BSE ban lifted
FM
LFS
4
Self-reported work-related ill health in
agricultural workers (England and Wales)
  • Average days lost per worker per year (3 year
    average)
  • All industries 0.81days
  • Agriculture 0.41 days
  • Residential care activities 2.16 days
  • Wholesale trade 0.31
  • Professional, scientific and technical
    activities 0.33
  • significantly lower than all industries

Residential care for learning disabilities,
mental health and substance abuse Estimated days
(full-day equivalent) off work and average days
lost per (full-time equivalent) worker due to
self-reported illness caused or made worse by
current or most recent job, by industry, for
people working in the last 12 months, averaged
2009/10 - 2011/12
5
Self-reported work-related ill health in
agricultural workers (England and Wales)
  • All work-related ill health
  • Average prevalence rate
  • 3510 (2580-4430) per 100 000 workers (2009-2012)
  • Average incidence rate
  • 1430 (830-2040) per 100 000 workers (2006-2009)
  • Not significantly different to all sectors
  • too few to estimate since 2009

6
Self-reported work-related ill health in
agricultural workers (England and Wales)
  • MSD
  • Average prevalence rate
  • 2630(1840-3420) per 100 000 workers (2009-2012)
  • Significantly higher than all sectors
  • Incidence - insufficient reports
  • Stress/anxiety
  • Prevalence and incidence - insufficient reports
  • (inconsistent with suicide rates)

7
Self-reported work-related injuries in
agricultural workers (England and Wales)
  • Work related injury in last 12 months
  • Incidence
  • 3840 (2790-4890) per 100 000 workers (2009-2012)
  • Significantly higher than all other sectors
  • Average days lost per worker per year due to
    injury
  • 0.24 (0.084-0.40)
  • Not significantly different to all sectors

8
Fatal injuries in agriculture (England and Wales)
  • 41 fatalities (2011-2012)
  • (6 non-workers investigated by the HSE)
  • Worst fatal accident rate of all sectors
  • 15-20 fatal accidents (1.5 population)

9
Summary of self-reported WRI in agricultural
workers (UK)
Significantly raised incidence of injuries and
prevalence of MSD but take little time off work.
10
The Health and Occupation Reporting Network (THOR)
  • Reports of work-related ill-health
  • Dermatologists, Respiratory specialists,
    Psychiatrists, Rheumatologists, GPs, OPs,
    Infectious disease specialists
  • Core and sample reporters
  • Denominators GP, OPRA, LFS
  • Standardised incidence rate ratios mitigate the
    uncertainty in the exact population covered by
    THOR

11
WRI reported by GPs in agricultural workers
(2006-2012, UK) to THOR
  • 3 year average incidence per 100, 000 workers
  • All WRI - 2800 (SWI - 1430)
  • MSD - 2035
  • Mental ill-health - 121

12
WRI in agricultural workers reported by clinical
specialists (males, UK, 2002-2008)
13
WRI in agricultural workers reported by clinical
specialists (UK)
  • Significantly relative to all work related
    disease
  • Skin cancer
  • Allergic contact dermatitis
  • Asthma
  • Allergic alveolitis
  • MSD
  • Significantly relative to all work related
    disease
  • Long latency respiratory disease
  • Irritant contact dermatitis
  • No significant difference
  • Mental ill-health
  • Infectious diseases

14
Ranking of causes of MSD in agricultural workers
(UK, all physicians)
1. Lifting/bending/digging/manual work 2. Use of
tools/heavy machinery 3. Animal relatednot
accidental 4. Accidents
15
Ranking of causes of asthma and allergic
alveolitis in agricultural workers (UK, all
physicians)
1. Hay/straw 2. Seeds/grains 3. Birds/animals 4.
Fungal agents 4. Agricultural chemicals 5.
Plants
16
Ranking of causes of contact dermatitis in
agricultural workers (UK, all physicians)
1. Plants 2. Wet and dirty work 3. Nickel and/or
chromates 4. Rubber found in boots, gloves and
milking equipment 5. Soap/detergents/disinfectants
6. Colophony (pine resin)
17
Method for analysing trends in incidence
  • Two-level longitudinal negative binomial
    regression model with random effects1
  • Outcome variable (dependant) no of cases per
    reporter per month
  • Main predictor time
  • Adjusted for seasonality, first month of
    reporting, population offset
  • Incidence rate ratios relative to base year
  • Controlled ITS used to evaluate interventions

1McNamee R et al OEM 2008 65 808-814
18
Trends in work-related skin diseases in
agricultural workers (UK)
19
Trends in work-related allergic respiratory
diseases in agricultural workers (UK)
Estimated annual change 0.92 (0.86-0.99)
20
Trends in work-related allergic respiratory
diseases in agricultural workers (UK) and autumn
rainfall
21
Trends in work-related MSD in agricultural
workers (UK)
Estimated annual change 0.94 (0.85 - 1.04)
22
  • EU Zoonoses Directive 2003/99/EC
  • EU Zoonoses Regulation 2160/2003/EC
  • Directive EC646/2007

23
  • Targets agreed with DEFRA, FSA, poultry industry
    and retailers reduce campylobacter and
    salmonella - 2001
  • Salmonella National control programme in poultry
    - 2007

24
Work-related infectious diseases in agricultural
workers (UK)
FSA
NCP
25
Trends in incidence of campylobacter in
agricultural and food sectors
FSA
JWG
26
Trends in incidence of reports of diarrhoea and
vomiting by occupation
27
Thanks to all the THOR team Raymond
Agius Roseanne McNamee Melanie Carder Louise
Hussey Sue Turner
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