The Prevalence of Antibiotic-Resistant Staphylococcus aureus Nasal Carriage among Industrial Hog Operation Workers, Community Residents, and Children Living in Their Households: North Carolina, USA

http://dx.doi.org/10.1289/EHP35



Table 5. Crude associations between occupational activities of the industrial hog operation (IHO) worker and the S. aureus, MRSA, and MDRSA nasal carriage outcomes of their child household member, North Carolina, 2014.
IHO work activity S. aureus MRSA MDRSA
No. pos/total (%) Crude PR (95% CI) No. pos/total (%) Crude PR (95% CI) No. pos/total (%) Crude PR (95% CI)
Note: CI, confidence interval; MDRSA, multidrug-resistant S. aureus defined as resistance to three or more antibiotic drug classes by disk diffusion; MRSA, methicillin-resistant S. aureus; pos, positive; PPE, personal protective equipment; PR, prevalence ratio.
aDefined as performing cleaning activities at work using ammonia or Clorox bleach disinfectant.
Take PPE home
Yes 45/78 (58) 1.35 (1.02, 1.81) 25/78 (32) 12.07 (3.78, 38.60) 26/78 (33) 2.09 (1.23, 3.55)
No 48/113 (43) Reference 2/113 (3) Reference 18/113 (16) Reference
Use disinfectanta
Yes 60/112 (54) 1.22 (0.90, 1.64) 25/112 (22) 6.25 (1.95, 20.01) 34/112 (30) 2.32 (1.25, 4.30)
No 37/84 (44) Reference 3/84 (4) Reference 11/84 (13) Reference
Work with nursery pigs
Yes 22/39 (56) 1.18 (0.86, 1.63) 10/39 (26) 2.23 (1.12, 4.45) 11/39 (28) 1.30 (0.73, 2.33)
No 75/157 (48) Reference 18/157 (11) Reference 34/157 (22) Reference
Handle dead pigs
Yes 74/143 (52) 1.24 (0.87, 1.76) 25/143 (17) 3.21 (1.01, 10.19) 39/143 (27) 2.50 (1.12, 5.57)
No 23/55 (42) Reference 3/55 (5) Reference 6/55 (11) Reference