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Table 3 Cut-off points of the quartiles of the F&V intakes frequency, at baseline, at first and at second follow-up, separately for the children of the Schoolgruiten Project and the Pro Children Study

From: Are positive changes in potential determinants associated with increased fruit and vegetable intakes among primary schoolchildren? Results of two intervention studies in the Netherlands: The Schoolgruiten Project and the Pro Children Study

 

First quartile

Second quartile

Third quartile

Fourth quartile

Schoolgruiten Project

    

Reports on fruit intake frequency (pieces per day), at baseline

0 – 0.86

0.87 – 1.43

1.44 – 2.14

2.15 – 4.00

Reports on fruit intake frequency (pieces per day), at first follow-up

0 – 0.86

0.87 – 1.43

1.44 – 2.00

2.01 – 4.00

Reports on fruit intake frequency (pieces per day), at second follow-up

0 – 1.00

1.01 – 1.43

1.44 – 2.00

2.01 – 4.00

Reports on vegetable intake frequency (gram per day), at baseline

0 – 71.0

71.1 – 100.3

100.4 – 149.8

149.9 – 288.0

Reports on vegetable intake frequency (gram per day), at first follow-up

19.1 – 71.0

71.1 – 100.3

100.4 – 141.5

141.6 – 288.0

Reports on vegetable intake frequency (gram per day), at second follow-up

17.9 – 71.0

71.1 – 96.0

96.1 – 121.5

121.6 – 288.0

Pro Children Study

    

Reports on fruit intake frequency (pieces per day), at baseline

0 – 0.43

0.44 – 1.00

1.01 – 2.00

2.01 – 3.00

Reports on fruit intake frequency (pieces per day), at first follow-up

0 – 0.43

0.44 – 0.79

0.80 – 2.00

2.01 – 3.00

Reports on fruit intake frequency (pieces per day), at second follow-up

0 – 0.43

0.44 – 1.00

1.01 – 2.00

2.01 – 3.00

Reports on vegetable intake frequency (gram per day), at baseline

0 – 39.6

39.7 – 68.9

69.0 – 101.0

101.1 – 400.0

Reports on vegetable intake frequency (gram per day), at first follow-up

0 – 49.6

49.7 – 75.7

75.8 – 112.8

112.9 – 301.8

Reports on vegetable intake frequency (gram per day), at second follow-up

0 – 46.5

46.6 – 64.2

64.3 – 99.9

100.0 – 450.0