The outcome of integrated motivational interviewing and cognitive-behavioral therapy in Egyptian patients with substance use disorder

Middle East Current Psychiatry

Table 4 Attendance days to treatment according to group and time factors

Parameter		Estimates of fixed effects^a
Parameter		b	SE	df	t	P	95% CI
Attendance percentage baseline		.95	.01	79.08	55.34	< .001**	.92–.99
Treatment group	MICBT = 0	12.96	1.39	157.96	9.26	< .001**	10.20–15.73
Time	basic	20.72	1.33	169.55	15.54	< .001**	18.09–23.35
Time	1st 3 months	5.83	1.17	118.97	4.98	< .001**	3.51–8.15
*Treatment group time**	Basic* MICBT	− 12.71	1.88	169.55	− 6.74	< .001**	− 16.43–8.98
*Treatment group time**	1st 3 months* MICBT	1.16	1.65	118.97	.70	.48	− 2.11–4.44

MICBT group coded as 0, NA group coded as 1; basic 20 sessions coded as 0, 1st 3 months of follow-up daycare attendance code as 1, 2nd 3 months of follow-up daycare attendance coded as 2
^**P value is highly significant (< .001)
^aDependent variable: percentage days of attendance
^bThis parameter is set to zero because it is redundant