Table 4. Chi-square test results related to the correlation between the demographic factors and TOI or IAM.

	Pearson’s Chi-squared test
	Type of infection (TOI)		Infection acquired model (IAM)
	X-squared (df)	p-value	X-squared (df)	p-value
Gender	8.554 (8)	0.3813	5.231 (4)	0.2644
Ethnicity	106 (8)	<2.2e−16**	13.143 (4)	0.0106*

Notes:

^*p ≤ 0.05.

^**p ≤ 0.001.