Research Article

Assessment of Milk Contamination, Associated Risk Factors, and Drug Sensitivity Patterns among Isolated Bacteria from Raw Milk of Borena Zone, Ethiopia

Table 6

Factors associated with contamination of raw milk from producers in Gomole district, Borena zone, South Ethiopia, 2019.

FactorsCategoryContaminated milk (no. %)Noncontaminated milk (no. %)COR (95% CI)AOR (95% CI)

GenderMale17 (94.4)1 (5.6)2.54 [0.30–21.21]
Female67 (87)10 (13)1

Age group19–3434 (87.2)5 (12.8)2.21 [0.237–20.54]
35–5035 (87.5)5 (12.5)2.14 [0.23–19.94]
51–6715 (93.8)1 (6.2)1

Educational statusCannot read and write76 (90.5)8 (9.5)0.32 [0.029–3.4]
Can read and write5 (71.4)2 (28.6)1.20 [0.073–19.6]
Primary grade and above3 (75)1 (25)1

Source of waterTape water53 (84.1)10 (15.9)0.171 [0.21–1.40]3.8 [0.395–36.7]
Nontape water31 (96.9)1 (3.1)11

Transportation hours<1 hour26 (81.2)6 (18.8)1.73 [0.31–9.68]
1–2 hours43 (93.5)3 (6.5)0.52 [0.8–3.44]
2<hours15 (88.2)2 (11.8)1

Mix different milkYes70 (87.5)10 (12.5)0.50 [0.039–4.23]
No14 (93.3)1 (6.7)1

Train on milk handlingYes11 (84.6)2 (15.4)0.69 [0.129–3.56]
No73 (89)9 (11)1

Knowledge of milk borne diseaseYes17 (81)4 (19)0.44 [0.116–1.69]0.69 [0.088–5.41]
No67 (90.5)7 (9.5)11

Hand wash before milkingYes4 (40)6 (60)0.042 [0.009–0.197]2.4 [0.35–16.4]
No80 (94.1)5 (5.9)11

Personal hygieneLooks poor47 (90.4)5 (9.6)1.52 [0.431–5.39]
Looks good37 (86)6 (14)1

Cleanliness of milk containersLooks poor73 (94.8)4 (5.2)11.6 [0.53–63.4]7.47 [0.0023–28.64]
Looks good11 (61.1)7 (38.9)11

Statistical significance at  = ,  = and at  = , COR = crude odds ratio; AOR = adjusted OR with CI = confidence interval.