Table 4.

Regression Analyses for TPB Variables as Predictors of Future Dietary Behavior

	Step 1			Step 2			Step 3			Step 4

	R²	β	p	R²	β	p	R²	β	p	R²	β	p

FFQ at follow-up	.457			.450			.445			.449
FFQ at baseline		.681	<.001		.676	<.001		.698	<.001		.651	<.001
Intention					.015	.866		.031	.741		.013	.906
Perceived Behavioral Control								−.049	.652		.018	.878
Perceived Need											−.137	.151
Anticipated Regret											.101	.319

Note: TPB = Theory of Planned Behavior; FFQ = Food Frequency Questionnaire.