RESULTS

The results of our research show a significant effect of treatment provided in Center Naprej on different life areas of the participants (Wheel of Life) (p < 0,01), which means that there were statistically significant differences in the results on the Wheel of life instrument between first and second assessment. Based on the results, we conclude that inclusion in long-term rehabilitation after an acquired brain injury has a positive effect on various areas of life. There is also an interaction between the duration of the treatment and the quality of life after the injury assessed with the QOLIBRI questionnaire, and also between the duration of the treatment and different areas of life assessed with the instrument Wheel of life (p < 0,01). There is also a trend towards significance of the effect of treatment with the duration of the treatment (p = 0,06, η² = 0,11 – medium effect).

Table 1: Within-Subjects Contrasts

	Wheel	Goals	Type III Sum of Squares	df	Mean Square	F	p	η²
Wheel	Linear		3070,488	1	3070,488	27,294	<,001	,460
Wheel * Gender	Linear		219,878	1	219,878	1,955	,172	,058
Wheel * Time since injury	Linear		89,708	1	89,708	,797	,379	,024
Wheel * Duration of treatment	Linear		431,980	1	431,980	3,840	,059	,107
Wheel * QOLIBRI_MEAN	Linear		2752,048	1	2752,048	24,463	<,001	,433
Error(Wheel)	Linear		3599,943	32	112,498
Goals		Linear	31,579	1	31,579	1,247	,272	,038
Goals * Gender		Linear	6,148	1	6,148	,243	,626	,008
Goals * Time since injury		Linear	,021	1	,021	,001	,977	,000
Goals * Duration of treatment		Linear	45,918	1	45,918	1,813	,188	,054
Goals * QOLIBRI_MEAN		Linear	1,700	1	1,700	,067	,797	,002
Error(Goals)		Linear	810,333	32	25,323

Note. df=degrees of freedom; F=F ratio ;p=level of statistical significance.

A statistically significant effect of treatment can be seen in the assessments of life areas on the Wheel of life instrument. It is also evident that the effect of treatment is significantly correlated with the quality of life assessed with the QOLIBRI questionnaire. There is also a trend towards the importance of the duration of treatment on the improvement of life areas assessed with the Wheel of life instrument.

Table 2: Between-Subjects Effects

	Type III Sum of Squares	df	Mean Square	F	p	η²
Intercept	4595,596	1	4595,596	36,198	<,001	,531
Gender	413,337	1	413,337	3,256	,081	,092
Time since injury	83,275	1	83,275	,656	,424	,020
Duration of treatment	425,062	1	425,062	3,348	,077	,095
QOLIBRI_MEAN	3301,878	1	3301,878	26,008	<,001	,448
Error	4062,575	32	126,955

Note. df=degrees of freedom; F=F ratio ; p=level of statistical significance.

In terms of gender and duration of the treatment, there is a trend towards effect on assessments of life areas on the instrument Wheel of life at both assessment times. Scores on the QOLIBRI instrument are significantly correlated with assessments at both assessment times.