The importance of sexuality, changes in erectile functioning and its association with self-esteem in men with localized prostate cancer: data from an observational study

Table 3 Multiple regression of impairment of self-esteem on the importance of sexuality and changes in erectile functioning: final model (n = 277)

Variables	B	S.E.	β	∆R² (ad. R²)
Sociodemographic characteristics
Age	.002	.011	.009
Living with a partner	−.511	.216	−.117
Higher education	−.05	.115	−.021
Still working vs. retired	.137	.204	.042	.033
Group: RP vs. AS	.016	.143	.007	.06
Tumor risk category
Gleason-Score (4–6)	.305	.141	.116
PSA	.004	.019	.012	.002
Time since treatment decision (months)	.004	.004	.056	.004
Number of comorbidities	.039	.039	.051	.01
Importance of sexuality	.252	.074	.184	.048**
Changes in erectile functioning	.668	.069	.567	.207***
Importance of sexuality*changes in erectile functioning	.318	.062	.257	.062***
			R² = .426 Adjusted R² = .398 F = 14.93***

B, unstandardized regression coefficient, S.E., standard error; β, standardized regression coefficient, AS, active surveillance, RP, radical prostatectomy; **p < .01; ***p < .001

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