Table 1.

Baseline demographics of patients in study.

Variable	Number (%)
Age
18–30	7 (16.3)
31–50	24 (55.8)
51–70	11 (25.6)
Not given	1 (2.3)
Gender
Male	35 (81.4)
Female	8 (18.6)
Ethnicity
Maori	7 (16.3)
Mixed New Zealand/European	21 (48.8)
Mixed New Zealand/Maori	13 (30.2)
Mixed New Zealand/Maori/European	1 (2.3)
South East Asian	1 (2.3)
Occupation
Meat freezer worker	7 (16.3)
Home kill contractor	1 (2.3)
Meat processor/worker	20 (46.5)
Farmer/cattle worker	12 (27.9)
Horticultural adviser	1 (2.3)
Plasterer	1 (2.3)
Veterinarian	1 (2.3)