BMC Ophthalmology

Table 4 Summary of hierarchical multiple regression of VRQoL contribution to predict emotional health

From: Coping strategies, vision-related quality of life, and emotional health in managing retinitis pigmentosa: a survey study

Variable	β	t	R	R²	∆R²	F	Power (1 – β)	f ²
Depression							.99	.52
Model 1			.31	.10	.10	9.84**
YSD^a	−.31	−3.14**
Model 2			.38	.15	.05	7.68**
YSD^a	−.32	−3.25**
NC^b	.22	2.25*
Model 3			.43	.19	.04	6.82***
YSD^a	−.19	−1.69
NC^b	.28	2.77**
Age	−.25	−2.12*
Model 4			.46	.23	.04	6.42***
YSD^a	−.26	−2.25*
NC^b	.24	2.40*
Age	−.30	−2.57*
PPRPS^c	.23	2.11*
Model 5			.80	.63	.41	8.87***
YSD^a	−.16	−1.75
NC^b	.20	2.42*
Age	−.10	−0.97
PPRPS^c	−.05	−0.45
General Health	−.23	−2.69**
Mental Health	−.28	−2.69**
Role Difficulties	.20	2.22*
Dependency	−.27	−2.16*
Mental Wellbeing							.99	.52
Model 1			.32	.10	.10	10.40**
Age	.32	3.23**
Model 2			.39	.15	.05	7.87**
Age	.37	3.72***
NC^b	−.22	−2.21*
Model 3			.75	.56	.41	7.73***
Age	.18	1.89
NC^b	−.18	−2.05*
Mental health	.30	2.74**
Dependency	.35	2.62*
General Happiness with Life							.99	.43
Model 1			.26	.07	.07	6.54*
Age	.26	2.56*
Model 2			.38	.14	.08	7.46**
Age	.39	3.59**
PPRPS^c	−.30	−2.81**
Model 3			.45	.20	.06	7.34***
Age	.43	4.05***
PPRPS^c	−.27	−2.50*
NC^b	−.25	−2.50*
Model 4			.49	.24	.04	6.94***
Age	.41	3.93***
PPRPS^c	−.25	−2.42*
NC^b	−.26	− 2.65*
Sex	−.21	−2.19*
Model 5			.77	.59	.35	7.31***
Age	.11	1.15
PPRPS^c	.03	.27
NC^b	−.19	−2.24*
Sex	−.21	−2.54*
General health	.33	3.61**
Mental health	.41	3.70***

Note. ^aYSD Years Since (RP) Diagnosis, ^bNC No. of Comorbidities, ^cPPRPS Participant-Perceived RP Severity
*p < .05, **p < .01, ***p < .001

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