Table 3.

Distribution of microbial growth with different variables.

Serial number	Attributes		Sample size	Bacteria		Fungus
				Growth N (%)	p value	Growth N (%)	p value
1	Gender	Male	115	85 (73.9%)	0.611	75 (65.2%)	0.912
		Female	15	12 (80.0%)		10 (66.7%)
2	Age-group	20–40	28	19 (67.9%)	0.544	18 (64.3%)	0.861
		40–60	81	63 (77.8%)		52 (82.5%)
		60+	21	15 (71.4%)		15 (71.4%)
3	Length of helmet used	<1 yrs	25	15 (60.0%)	0.001∗	13 (52.0%)	0.023∗
		1–3 yrs	59	36 (61.1%)		35 (59.3%)
		>3 yrs	46	41 (89.1%)		37 (83.4%)
4	Hygienic practice	Disinfected	5	1 (20.0%)	0.001∗	1 (20.0%)	0.022∗
		Washed	42	24 (57.1%)		24 (57.1%)
		None	83	72 (86.7%)		60 (83.3%)
5	Sharing of helmet	Shared	96	76 (79.2%)	0.045∗	69 (71.9%)	0.008∗
		Not shared	34	21 (61.8%)		16 (47.0%)

^∗Significant at 5% level of significance.