Table 2.

Occurrence of S. aureus in milk and milk products

Type of sample	Sampling location	No. examined	No. positive	% positive (95% CI)	OR (95% CI)	P-value
Raw milk	Street-side traditional coffee vendors	125	47	37.6 (29–46.7)	-	-
	Retail shops	96	41	42.7 (32.7–53.2)	1.2 (0.7–2)	0.4
	Milk and milk product shops	25	11	44 (24.4–65.1)	1.3 (0.5–3)	0.6
	MCCs	13	7	53.8 (25.1–80.8)	1.9 (0.6–6)	0.3
Cottage cheese	Open markets	219	14	6.39 (3.1–9.7)	-	-
Yogurt	Milk and milk product shops	25	5	20 (3.1–36.9)	3.7 (1.2–11)	0.02
Overall		503	125	24.9 (21.1–28.6)

MCCs, Milk collection center, No Number, CI Confidence interval, OR Odds ratio, P < 0.05