The Impact of Subject Age, Gender, and Arch Length on Attitudes of Syrian Dentists towards Shortened Dental Arches

Table 4

Mean difference and standard deviation of the mean difference for paired -test to examine the impact of subject age on dentists’ attitudes towards SDAs.

Subject age	Length of the SDA
	6 to 6		5 to 5		4 to 4		3 to 3
	M	F	M	F	M	F	M	F
35 versus 50	−0.04 (0.24)	−0.05 (0.23)	−0.05 (0.16)	−0.05 (0.18)	−0.04 (0.15)	−0.05 (0.14)	−0.04 (0.14)	−0.03 (0.13)
35 versus70	−0.07 (0.41)	−0.08 (0.43)	−0.11 (0.36)	−0.13 (0.39)	−0.11 (0.31)	−0.13 (0.32)	−0.11 (0.24)	−0.10 (0.24)
50 versus70	−0.04 (0.24)	−0.04 (0.28)	−0.07 (0.25)	−0.08 (0.27)	−0.08 (0.23)	−0.08 (0.24)	−0.07 (0.15)	−0.07 (0.16)

Significant difference at /3 = 0.017 (Bonferroni’s correction).
M: male.
F: female.
SDA: shortened dental arch.
6: first molar; 5: second premolar.
4: first premolar; 3: canine.