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Table 4 Association between the number of CAFOs in postal code areas and health problems within the high CAFO density region, 2009

From: Doctor-diagnosed health problems in a region with a high density of concentrated animal feeding operations: a cross-sectional study

  

OR (95 % CI)a for each additional CAFO

Diagnosis

Type of CAFOb

Within the postal code area

In adjacent postal code areas

Other infectious disease

All

0.88 (0.75-1.03)

1.00 (0.95-1.05)

 

Goat only

1.87 (1.11-3.13)

1.77 (1.30-2.41)

Gastroenteritis presumed infection

All

0.93 (0.86-1.01)

1.01 (0.99-1.04)

Chronic enteritis

All

0.99 (0.85-1.15)

0.97 (0.93-1.01)

 

Poultry only

1.13 (0.79-1.62)

0.89 (0.79-1.00)

Allergic conjunctivitis

All

1.00 (0.88-1.14)

1.02 (0.98-1.06)

 

Goat only

1.57 (0.99-2.50)

1.42 (1.10-1.83)

Acute URI

All

1.03 (0.96-1.11)

1.03 (1.01-1.06)

 

Swine only

1.10 (0.98-1.24)

1.04 (1.01-1.08)

 

Goat only

0.95 (0.69-1.29)

1.37 (1.12-1.66)

Pneumonia

All

1.03 (0.95-1.11)

1.00 (0.98-1.03)

 

Goat only

1.41 (1.08-1.84)

1.17 (1.00-1.37)

Asthma

All

1.03 (0.98-1.08)

1.00 (0.98-1.01)

 

Goat only

1.16 (0.94-1.43)

1.15 (1.01-1.31)

 Age group 0–4 yrs

All

0.82 (0.66-1.02)

1.02 (0.96-1.08)

 Age group 0–4 yrs

Goat only

0.92 (0.45-1.88)

1.62 (1.15-2.28)

 Age group 0–14 yrs

All

0.97 (0.87-1.08)

0.99 (0.97-1.03)

 Age group 0–14 yrs

Goat only

1.40 (0.96-2.04)

1.37 (1.13-1.67)

Hay fever

All

1.01 (0.94-1.07)

1.00 (0.98-1.02)

 

Goat only

1.19 (0.90-1.56)

1.22 (1.05-1.41)

COPD

All

1.04 (0.97-1.12)

1.00 (0.98-1.02)

 Age group 45 yrs and older

All

1.07 (1.01-1.14)

1.00 (0.98-1.02)

 Age group 60 yrs and older

All

1.13 (1.02-1.24)

0.98 (0.95-1.00)

Atopic eczema

All

1.02 (0.97-1.08)

1.01 (0.99-1.03)

 

Goat only

1.26 (1.00-1.59)

1.19 (1.03-1.38)

  1. Note. CAFO concentrated animal feeding operations, OR odds ratio, CI confidence interval, URI upper respiratory infection. See also Additional file 1
  2. aAdjusted for age, gender, registry duration, the number of inhabitants in the postal code area and total surface area
  3. bDefined as >250 dairy cows or >2500 veal calves (cattle CAFO), >7500 finishing pigs or >1200 breeding sows (swine CAFO), >120,000 laying hens or >220,000 broilers (poultry CAFO), or >1500 goats (goat CAFO)