Table 5.

Adjusted effect of age and period on pathogens carriage among the study participants

Presence of virus
	Frequency (95%CI)	OR (95%CI)	aOR (95%CI)	p value
Age categories
< 1 year	78.9 (67.5–87.7)	Reference	Reference
1–5 years	69.1 (60.1–77.1)	0.60 (0.30–1.19)	0.58 (0.28–1.19)	0.13
6–15 years	64.2 (35.1–87.2)	0.48 (0.14–1.65)	0.52 (0.14–1.87)	0.32
> 15 years	59.5 (43.3–74.4)	0.39 (0.17–0.97)	0.39 (0.16–0.94)	0.04
Study period
August	88.0 (75.7–95.5)	Reference	Reference
September	58.0 (43.2–71.8)	0.19 (0.07–0.52)	0.19 (0.07–0.55)	0.002
October	82.0 (68.6–91.4)	0.56 (0.19–1.68)	0.61 (0.20–1.85)	0.38
November	60.0 (45.2–73.6)	0.21 (0.08–0.60)	0.22 (0.08–0.64)	0.005
December	62.0 (47.2–75.3)	0.22 (0.08–0.62)	0.22 (0.08–0.63)	0.005
Presence of bacteria
	Frequency (95%CI)	OR (95%CI)	aOR (95%CI)	p value
Age categories
< 1 year	90.1 (80.7–95.9)	Reference	Reference	–
1–5 years	88.6 (81.6 - 93.6)	0.85 (0.33–2.22)	0.82 (0.30–2.24)	0.69
6–15 years	92.8 (66.1–99.8)	1.42 (0.16–12.56)	0.95 (0.09–9.25)	0.97
> 15 years	50.0 (34.2–65.8)	0.11 (0.04–0.29)	0.05 (0.02–0.18)	< 0.001
Study period
August	66.0 (51.2–78.8)	Reference	Reference	–
September	98 (89.3–99.9)	25.2 (3.5–45.8)	56.5 (6.19–60.8)	< 0.001
October	80 (66.3–89.9)	1.87 (0.77–4.55)	3.55 (1.21–10.39)	0.02
November	84 (70.9–92.8)	3.09 (1.15–8.33)	8.66 (2.47–30.44)	0.001
December	86 (73.2–94.2)	3.16 (1.17–8.52)	4.51 (1.45–14.02)	0.009

Goodness of fit: chi (8df) = 3.74; p = 0.88. Area under the curve: 83.4%. Akaike information criterion (AIC) = 298.26; Bayesian information criterion = 326.43. Variance inflation factor (VIF) = 1.48