Table 3.

Correlations between the fruit and vegetable questionnaire, the food record and the food-frequency questionnaire

	Crude Pearson Correlations	Partial Correlations Adjusted for Energy Intake	Partial Correlations Adjusted for Nausea	Partial Correlations Adjusted for Energy Intake and Nausea
FVQ vs. food record (n = 48)
Vegetables	0.46**	0.45**	0.44**	0.43**
Potatoesa	0.08	0.04	0.07	0.03
Vegetable juice	0.38**	0.39**	0.38**	0.39**
Fruits	0.30*	0.33*	0.29*	0.32*
Fruit juice	0.56***	0.57***	0.56***	0.56***
Fruits and vegetables	0.34*	0.33*	0.33*	0.32*
FVQ vs. FFQ (n = 33)
Vegetables	0.70***	0.72***	0.69***	0.72***
Potatoesa	0.19	0.19	0.21	0.20
Vegetable juice	0.76***	0.75***	0.76***	0.76***
Fruits	0.72***	0.72***	0.73***	0.73***
Fruit juice	0.73***	0.71***	0.74***	0.72***
Fruits and vegetables	0.61**	0.57**	0.60**	0.55**

Abbreviations: FVQ fruit and vegetable questionnaire, FFQ food-frequency questionnaire

*p < 0.05 **p < 0.01 ***p < 0.0001

^aExcluding French-fried potatoes