Physical activity and quality of life in long-term hospitalized patients with severe mental illness: a cross-sectional study

Table 4 Multiple regression models with significant predictors of quality of life (p < 0.10), using backward-selection

Measure	B	95% CI	F	R ²	R ² _Adj .
Predicting EQ-5D index score
2003Overall model			6.76****	0.16	0.14
TAC/h
Q2	0.16***	(0.05–0.28)
Q3	0.15**	(0.04–0.27)
Q4	0.17***	(0.05–0.28)
Gender
Illness severity
Predicting WHO overall QoL rating
Overall model			5.18****	0.13	0.10
TAC/h
Q2	0.56***	(0.20–0.92)
Q3	0.35*	(−0.01–0.71)
Q4	0.22	(−0.14–0.59)
Gender
Illness severity
Predicting WHO health satisfaction rating
Overall model			2.74***	0.19	0.12
TAC/h
Q2	0.48**	(0.01–0.95)
Q3	0.41	(−0.08–0.90)
Q4	0.50*	(−0.02–1.01)
Age^a
Diagnosis
Illness severity^a
Antidepressants
Predicting WHO physical QoL domain
Overall model			3.72****	0.24	0.17
TAC/h
Q2	1.18**	(0.10–2.26)
Q3	1.66***	(0.54–2.79)
Q4	1.50**	(0.31–2.69)
Age^a
Gender
Diagnosis
Illness severity^a
Predicting WHO psychological QoL domain
Overall model			3.85****	0.23	0.17
TAC/h
Q2	1.09*	(−0.16–2.35)
Q3	0.90	(−0.39–2.20)
Q4	0.30	(−1.07–1.68)
Age
Gender
Diagnosis
Illness severity
Use of antipsychotics
Use of antidepressants
Predicting WHO social QoL domain
Overall model			2.33***	0.14	0.08
TAC/h
Q2	1.49**	(0.27–2.72)
Q3	1.19*	(−0.03–2.42)
Q4	0.97	(−0.30–2.23)
Years of hospitalization
Diagnosis
Illness severity^a
Use of antidepressants

Significant results shown in bold. TAC/h = average Total Activity Counts per hour; Q = Quartile (n = 46)
*p < 0.10. ** p < 0.05. *** p < 0.01. *** p < 0.001
^aIn quartiles

ISSN: 1471-244X