Table 3

Unconditional associations among risk factors and human Salmonella Enteritidis infections by phage type, Ontario, Canada (n = 199)
Exposure Outcome [Yes/No] OR a)(95% CI b)
Any dog contact Non-PT8/non-PT13a [22/48)] -
PT8 [34/39] 1.90 (0.96-3.76) *
PT13a [15/34] 0.96 (0.44-2.12)
Any cat contact Non-PT8/non-PT13a [18/54] -
PT8 [21/52] 1.21 (0.58-2.53)
PT13a [9/40] 0.68 (0.27-1.66)
Any egg consumption Non-PT8/non-PT13a [34/35] -
PT8 [38/28] 1.40 (0.71-2.75)
PT13a [26/20] 1.34 (0.63-2.83)
Runny egg consumption Non-PT8/non-PT13a [11/20] -
PT8[11/21] 0.95 (0.34-2.68)
PT13a [7/16] 0.80 (0.25-2.52)
Undercooked egg consumption Non-PT8/non-PT13a [11/19] -
PT8 [12/19] 1.09 (0.39-3.07)
PT13a [8/15] 0.92 (0.30-2.87)
Egg consumption away from home Non-PT8/non-PT13a [10/24] -
PT8 [13/24] 1.30 (0.48-3.53)
PT13a [9/17] 1.27 (0.43-3.79)
Any chicken consumption Non-PT8/non-PT13a [61/7] -
PT8 [55/14] 0.45 (0.17-1.20)
PT13a [34/11] 0.35 (0.13-0.99) *
Processed chicken consumption Non-PT8/non-PT13a [7/20] -
PT8 [4/22] 0.52 (0.13-2.04)
PT13a [4/11] 1.04 (0.25-4.35)
Fresh chicken consumption Non-PT8/non-PT13a [21/6] -
PT8 [19/6] 0.90 (0.25-3.29)
PT13a [12/3] 1.14 (0.24-5.42)
Frozen chicken consumption Non-PT8/non-PT13a [2/23] -
PT8 [8/20] 4.60 (0.87-24.22) *
PT13a [5/10] 5.75 (0.95-34.79) *
Fast food chicken consumption Non-PT8/non-PT13a [10/48] -
PT8 [12/39] 1.48 (0.58-3.78)
PT13a [8/24] 1.60 (0.60-4.58)
Chicken consumption away from home Non-PT8/non-PT13a [37/23] -
PT8 [32/22] 0.90 (0.43-1.92)
PT13a [21/13] 1.00 (0.42-2.39)
Cheese consumption Non-PT8/non-PT13a [50/16] -
PT8 [47/20] 0.75 (0.35-1.62)
PT13a [32/12] 0.85 (0.36-2.04)
Peanut butter consumption Non-PT8/non-PT13a [16/51] -
PT8 [23/46] 1.59 (0.75-3.38)
PT13a [8/36] 0.71 (0.27-1.83)
Carrot consumption Non-PT8/non-PT13a [25/44] -
PT8 [21/45] 0.82 (0.40-1.68)
PT13a [16/31] 0.91 (0.42-1.98)
Pepper consumption Non-PT8/non-PT13a [17/52] -
PT8 [8/60] 0.41 (0.16-1.02) *
PT13a [9/36] 0.76 (0.31-1.91)
Onion consumption Non-PT8/non-PT13a [13/57] -
PT8 [15/53] 1.24 (0.54-2.85)
PT13a [9/36] 1.20 (0.43-2.83)
Lettuce consumption Non-PT8/non-PT13a [40/26] -
PT8 [41/26] 1.03 (0.51-2.06)
PT13a [26/18] 0.94(0.43-2.04)
Spinach consumption Non-PT8/non-PT13a [6/63] -
PT8 [10/60] 1.75 (0.60-5.11)
PT13a [4/42] 1.00 (0.27-3.76)
Tomato consumption Non-PT8/non-PT13a [37/32] -
PT8 [24/40] 0.52 (0.26-1.04) *
PT13a [23/22] 0.90 (0.43-1.92)
Strawberry consumption Non-PT8/non-PT13a [27/41] -
PT8 [22/44] 0.76 (0.37-1.54)
PT13a [10/31] 0.49 (0.21-1.16)

Univariable multinomial logistic regression model, comparing PT8 and PT13a to non-PT8/non-PT13a. a) OR - Odds Ratio. b) CI – Confidence Interval of the OR. * Variables with P ≤ 0.1 were used for the multivariable analysis.

Varga et al.

Varga et al. BMC Public Health 2012 12:866   doi:10.1186/1471-2458-12-866

Open Data