Who Participates in Seasonal Influenza Vaccination? Past Behavior Moderates the Prediction of Adherence

Table 1

Risk perception, positive/negative outcome expectancies, past behavior, intention 𝑇1, and behavior 𝑇2 (means, standard deviations).

Variable	Risk perception 𝑇1	Negative outcome expectancies 𝑇1	Positive outcome expectancies 𝑇1	Past behavior 𝑇1	Intention 𝑇1	Behavior 𝑇2	M	SD
Risk perception 𝑇1^a							2.4	.83
Negative outcome expectancies 𝑇1^a	.05						1.2	.05
Positive outcome expectancies 𝑇1^a	.12*	−.28**					3.2	.04
Past behavior 𝑇1^a	−.03	−.19**	.17**				3.5	1.4
Intention 𝑇1^a	.18**	−.34**	.33**	.31**			5.5	1.1
Behavior 𝑇2^a	.06	−.28**	.26**	.20**	.40**

Note: 𝑁=594. *𝑃<.05. **𝑃<.01. ^ªRange fully exhausted.