Examining the influence of illness perception and financial toxicity on the quality of life of prostate cancer patients

African Journal of Urology

Table 3 Hierarchical regression analysis testing influence of demographic characteristics, financial toxicity and illness perception on QoL in prostate cancer patients

	Model 1			Model 2			Model 3
Model variables	b Coefficient	Beta	t	b Coefficient	Beta	t	b Coefficient	Beta	t
Constant	96.812		7.870**	83.650		7.404**	124.679		12.410**
Age	− 0.114	− 0.060	− 0.733	− 0.190	− 0.100	− 1.315	− 0.027	− 0.014	− 0.237
Educational level	0.428	0.020	0.251	− 2.466	− 0.116	− 1.477	− 1.801	− 0.085	− 1.371
Marital status	0.501	0.018	0.227	0.779	0.028	0.382	0.421	0.015	0.228
Comorbid diseases	− 7.562	− 0.318	− 4.152**	− 6.500	− 0.274	− 3.834**	− 2.482	− 0.104	− 1.743
Treatment site	2.276	0.107	1.362	1.747	0.082	1.129	1.018	0.048	0.739
Financial toxicity				0.850	0.392	5.224**	0.392	0.181	2.742*
Consequences							− 1.310	− 0.225	− 3.115**
Timeline							− 0.644	− 0.088	− 1.260
Personal control							0.193	0.029	0.441
Treatment control							− 0.418	− 0.053	− 0.783
Identity							− 1.817	− 0.265	− 4.314**
Concern							− 1.425	− 0.213	− 2.951**
Illness understanding							− 2.091	− 0.311	− 4.545**
Emotional response				− 0.702	− 0.118	− 1.523	− 0.702	− 0.118	− 1.523
	Model 3 Summary R = 0.360 R Square = 0.130 Adjusted R = 0.102 SEE = 20.400 F _(5,154) = 4.594 p < 0.00			Model 2 Summary R = 0.511 R Square = 0.262 Adjusted R = 0.233 SEE = 18.854 F _(6,153) = 9.031; p < 0.01			Model 3 Summary R = 0.769 R Square = 0.591 Adjusted R = 0.552 SEE = 14.408 F _(14,145) = 14.984; p < 0.01