Self efficacy for fruit, vegetable and water intakes: Expanded and abbreviated scales from item response modeling analyses

Table 3 Correlations among SE and Consumption variables, controlling for social desirability

Partial Correlations	n	Fruit	Vegetables	Water
SE_Full - FFQ, control for SocD	563^a	0.08	0.20**	0.21**
SE_Full - 24Hr Recall, control for SocD	374^b	0.04	0.11*	0.05
SE_Reduced - FFQ, control for SocD	563^a	0.08	0.21**	0.20**
SE_Reduced - 24Hr Recall, control for SocD	374^b	0.03	0.10*	0.06
FFQ - 24Hr Recall	346^c	0.17**	0.07	0.14**
SE_Full - SocD	563	0.03	0.08	0.02
SE_Reduced - SocD	563	0.02	0.09*	0.03
FFQ - SocD	563	0.20**	0.19**	0.19**
24Hr Recall - SocD	374	-0.04	-0.09	-0.01
Intra-Class Correlations
SE_Full - SE_Reduced	638	0.95	0.94	0.95
24Hr Recall (across days)^d	432	0.15	0.16	0.42

Abbreviations: Full self-efficacy scale (SE_Full); reduced self-efficacy scale (SE_Reduced); social desirability of response (SocD); food frequency questionnaire (FFQ); 24 hour dietary recall (24Hr recall) Significant at p < 0.05 (*) and p < 0.01 (**)
^a Participants with fruit, vegetable, and water self efficacy data, social desirability data, and dietary data (FFQ only)
^b Participants with fruit, vegetable, and water self efficacy data, social desirability data, and dietary data (24Hr recall only)
^c Participants with fruit, vegetable, and water self efficacy data, social desirability data, and dietary data (FFQ and/or 24Hr recall)
^d Reliability (ICC) across days was calculated on all participants with or with SE data

ISSN: 1479-5868