[Table/Fig-4]:

Mean wear times in the first three months of the retention period for various parameters.

Parameter	n	Wear Time(h)
		Mean	SD	p-value
Sex
Female	39	15.9	6.5	0.22
Male	38	14.3	4.8
Age Group
Primary school	21	15.6	5.3	<0.001
Junior high school	34	17.3	4.5
High school	22	11.7	5.4
Type of he Retainer
VFR	43	17.2	6.3	0.01
Hawley’s	34	13.8	5.5
Who Trained the Patient
Orthodontist	41	16.9	5.1	<0.001
Student	36	12.6	4.2
Mother’s Occupation
Housewife	42	16.9	5.6	<0.001
Clerk	35	12.8	3.5
Living Place
Rural	33	14.8	4.6	0.27
Urban	44	15.9	4.2
Treatment Location
University Clinic	40	14.8	5.3	0.22
Private Practice	37	16.4	6.1