Research Article

Intervention Based Exclusively on Stage-Matched Printed Educational Materials Regarding Healthy Eating Does Not Result in Changes to Adolescents’ Dietary Behavior

Table 3

Comparability between the intervention and control groups regarding decisional balance for benefits (“pros” scores) and barriers (“cons” scores) and self-efficacy, adjusted for sex and age, after the proposed intervention (analysis of covariance, ANCOVA).

VariablesControl GroupIntervention GroupP value
MeanStandard ErrorMeanStandard Error

Pros scores28.730.1728.970.140.2885
Cons scores13.500.1613.330.130.4153
Self-efficacy scores31.620.2031.690.170.7749