Table 3

 Risk of accidents among agricultural workers leading to ⩾3 days absence from work by age, calendar period, employment status, time since starting agricultural work and type of agricultural work

Risk factorAccidents (n)Incidence*IRR† (95% CI)
IRR, incidence rate ratio.
* Incidence per 1000 person-years.
† Mutually adjusted IRRs.
‡Risk estimates are for men engaged in a specified type of agricultural work relative to other agricultural workers who were not. Many jobs involved several types of agricultural work.
Calendar period
    1947–54117.80.2 (0.1 to 0.4)
    1955–593510.40.3 (0.2 to 0.5)
    1960–64519.10.3 (0.2 to 0.4)
    1965–698612.20.4 (0.3 to 0.5)
    1970–7411012.90.4 (0.3 to 0.6)
    1975–7915915.00.5 (0.4 to 0.7)
    1980–8418414.60.5 (0.4 to 0.7)
    1985–8921315.40.6 (0.5 to 0.7)
    1990–9424016.90.7 (0.6 to 0.9)
    1995–9924217.40.8 (0.6 to 0.9)
    2000–0416121.31
Age (years)
    14–1916213.41
    20–2422115.31.5 (1.2 to 2.0)
    25–2924017.11.6 (1.2 to 2.2)
    30–3421916.61.5 (1.1 to 2.0)
    35–3916914.11.1 (0.8 to 1.6)
    40–4416615.81.5 (1.1 to 2.0)
    45–4911613.41.3 (0.9 to 1.8)
    50–5410615.51.4 (1.0 to 2.1)
    55–596413.51.1 (0.8 to 1.7)
    60–642913.01.1 (0.6 to 1.7)
Employment status
    Self-employed89014.51
    Employee58216.11.1 (1.0 to 1.3)
    Both/unknown2020.31.4 (0.8 to 2.3)
Years since started agricultural work
    ⩽111625.53.7 (2.8 to 5.0)
    2–310412.91.8 (1.3 to 2.4)
    4–510214.01.6 (1.2 to 2.1)
    6–1023614.51.3 (1.0 to 1.7)
    11–1523616.41.4 (1.0 to 1.8)
    16–2019615.71.3 (1.0 to 1.8)
    21–2516515.61.4 (1.1 to 1.8)
    >2533713.41
Type of agricultural work‡
    Beef113216.11.3 (1.1 to 1.6)
    Dairy63815.21.0 (0.9 to 1.1)
    Sheep107815.91.1 (1.0 to 1.3)
    Pigs45715.21.1 (0.9 to 1.3)
    Poultry39814.10.9 (0.7 to 1.0)
    Cereals81916.41.3 (1.1 to 1.4)
    Vegetables31515.31.0 (0.9 to 1.2)
    Fruit9017.41.1 (0.8 to 1.4)
    Forestry35722.61.7 (1.4 to 1.9)
    Other13013.70.9 (0.7 to 1.1)