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.