. 2020 Apr 15;20:110. doi: 10.1186/s12903-020-01105-7

Table 1.

Respondents’ demographic characteristics

Characteristics		Age (Mean ± SD)	Knowledge score (Mean ± SD)	P-value	Attitude score (Mean ± SD)	P-value
Gender	Male (n = 192)	22.5 ± 1.6	7.6 ± 4.7	0.825	41.7 ± 7.6	< 0.001 (Female>Male^a)
Gender	Female (n = 256)	22.2 ± 1.7	7.6 ± 4.7	0.825	43.5 ± 6.0	< 0.001 (Female>Male^a)
Group	NSs (n = 141)	22.7 ± 1.5	5.5 ± 4.0	< 0.001 (DSs > NSs, MSs^a)	41.1 ± 6.9	< 0.001 (DSs > NSs, MSs^a)
	DSs (n = 154)	22.5 ± 1.2	11.5 ± 3.4		45.2 ± 6.5
	MSs (n = 140)	223 ± 1.6	6.1 ± 4.0		41.8 ± 6.4

NSs non-medical students, DSs dental students, MSs medical students

^a>indicates statistical significance