Table 4.

Multiple Comparison Analysis (post-hoc-Tukey HSD of Age Group).

(I) Age	(J) Age	Mean Difference (I-J)	Std. Error	Sig.	95% Confidence
					Lower Bound	Upper Bound
31–40 years	20–30 years	0.04	0.04	0.798	−0.077	0.162
	41–50 years	0.02	0.02	0.785	−0.043	0.092
	More than 50 years	0.15*	0.04	0.012	0.024	0.278

^*The mean difference is significant at level ≤ 0.05.