Factors influencing the surgery intentions and choices of women with early breast cancer: the predictive utility of an extended theory of planned behaviour

Table 2 Hierarchical multiple regression of intentions to choose mastectomy or BCS on predictors from the theory of reasoned action (Model 1) and extended theory of planned behaviour (Model 2)

	R²	Adjusted R²	B	Standard error B	Beta	T
Model 1:	.696	.674
Direct attitudes			.801	.163	.605**	4.92
Subjective norms			.541	.226	.294*	2.39
Perceived behavioural control			.339	.272	.107	1.25
Model 2:	.728	.695
Direct attitudes			.543	.199	.410**	2.73
Subjective norms			.413	.280	.225	1.48
Perceived behavioural control			.313	.270	.099	1.16
Anticipated regret			-.555	.255	-.238*	−2.18
Descriptive norms			-.102	.196	.062	.520

ISSN: 1472-6947