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Table 3 Hierarchical regression of TPB variables predicting fruit & vegetable consumption for women

From: Oh baby! Motivation for healthy eating during parenthood transitions: a longitudinal examination with a theory of planned behavior perspective

Six-month (N = 116)

R2

R2Δ

P

β

12-month (N = 109)

R2

R2Δ

p

β

Final model

0.21

0.06

<.001

 

Final model

0.17

0.01

0.68

 

 Baseline fruit & vegetable

   

0.42**

 6-month fruit & vegetable

   

0.39**

 Parent status

   

−0.05

 Parent status

   

−0.02

 PBC

   

0.07

 PBC

   

0.15

 Intentions to eat healthy

   

0.03

 Intentions to eat healthy

   

0.02

 Affective attitudes

   

0.35*

 Affective attitudes

   

0.01

 Instrumental attitudes

   

0.14

 Instrumental attitudes

   

0.02

 Subjective norms

   

−0.08

 Subjective norms

   

−0.12

 Affective attitudes x parent status

   

−0.40*

     
  1. Note. **p < .01, *p < .05.