Table 1

Distribution of characteristics among 22 industrial hog operation workers, North Carolina

N=22*Per cent
Personal characteristics
Age
 <2429.1
 25–34522.7
 35–441150.0
 ≥45418.2
Male1254.6
Education
 <High school627.3
 ≥High school1568.2
Number of household members
 <329.1
 3–51359.1
 ≥6627.3
Children <6 years old living in household1045.5
Pets inside home627.3
Lives on same property as hog operation522.7
Contact sports
 ≥1 month ago1045.5
 <1 month ago627.3
Work characteristics
Years employed at current hog operation
 <1522.7
 1–5731.8
 6–9313.6
 ≥10418.2
Average h/week
 ≤40313.6
 41–50627.3
 51–601150.0
 >6029.1
Life stage of hogs in contact with at work‡
 Sows/farrow piglets/wean2090.9
 Feeder/finish731.8
Average number of hogs worked with per day§
 ≤1000313.6
 1001–5000836.4
 >5000522.7
  • *Totals for each characteristic may not sum to the total number of participants due to missing information.

  • †Reported at baseline.

  • ‡Totals do not sum to 22 because some participants had contact with pigs in multiple life stages.

  • §Calculated by multiplying the average number of animals per barn at operation of employment by the number of barns worked in on an average day.