Table 4.

Risk factors associated with acute bacterial paranasal sinusitis by univariable and multivariable logistic regression analysis

	Sinusitis (N = 76)	No sinusitis (N = 191)	OR (95% CI)	P value	aOR (95% CI)	P value
Age (median, IQR)	6 (5–8.5)	7 (5–11)		0.01*
Age < 7y/o	47 (61.8%)	92 (48.2%)	1.74 (1.01, 3.00)	0.04*	1.36 (0.72, 2.56)	0.33
Sex
Boy	37 (48.7%)	99 (51.8%)	1.13 (0.67, 1.93)	0.64	0.99 (0.54, 16.4)	0.99
Girl	39 (51.3%)	92 (48.2%)
Number of household members
< 19y/o (median, IQR)	2 (1–2)	2 (2)		0.08
≧19y/o (median, IQR)	2 (2–4)	2 (2–3)		0.83
Nasal irrigation
Often or very frequently	7 (9.2%)	7 (3.7%)	0.38 (0.13, 1.11)	0.08	2.22 (0.66, 7.45)	0.19
Never or seldom	69 (90.8%)	184 (96.3%)
Nose blowing
Often or very frequently	62 (81.6%)	169 (88.5%)	0.58 (0.28, 1.19)	0.14	0.58 (0.25, 1.32)	0.19
Never or seldom	14 (18.4%)	22 (11.5%)
Residential incense burning
Every day	27 (35.5%)	39 (20.5%)	2.13 (1.19, 3.84)	0.01*	2.45 (1.25, 4.80)	< 0.001*
Never or not every day	49 (64.5%)	151 (79.5%)
Residential smoke exposure
Yes	15 (19.7%)	45 (23.6%)	0.79 (0.41, 1.54)	0.49	0.84 (0.39, 1.78)	0.65
No	61 (80.3%)	146 (76.4%)
Pet at home
Yes	13 (17.1%)	28 (14.7%)	1.20 (0.59, 2.47)	0.62	1.14 (0.51, 2.57)	0.75
No	63 (82.9%)	163 (85.3%)
Antibiotic use within three months
Yes	33 (43.3%)	17 (8.9%)	7.86 (4.00, 15.41)	< 0.001*	8.04 (3.92, 16.50)	< 0.001*
No or unsure	43 (56.6%)	174 (91.1%)
13-valent PCV
≥ 3 doses	68 (89.5%)	168 (88.0%)	1.16 (0.49, 2.73)	0.73	0.87 (0.31, 2.41)	0.79
< 3 doses or unsure	8 (10.5%)	23 (12.0%)
Influenza vaccination
Every year	44 (57.9%)	118 (61.8%)	0.85 (0.49, 1.46)	0.56	0.82 (0.44, 1.52)	0.53
Irregular or never	32 (42.1%)	73 (38.2%)