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Table 2 Implementation of Daily provision of free FV : assessed at the individual-, school- and class level

From: Implementation of strategies to increase adolescents’ access to fruit and vegetables at school: process evaluation findings from the Boost study

Process evaluation concept

Source and timing of data collection

 

Teacher midway survey

Teacher follow-up survey

Pupils follow-up survey

Individual level: average implemen-tation level (A)

School level: no of schools ≥80% implementation/all responding schools

Individual level: average implementation level (A)

School level: no of schools ≥80% implementation/all responding schools

Individual level: average implementation level

School level: No of schools ≥80% implementation/all responding schools

Class level: no of classes ≥80% implementation/all responding classes

Fidelity

FV are always fresh at delivery

79% (0-100%)

10/17

94% (0-100%)

15/17

68% (A: 46-83%, B:17-100% )

2/20

13/55

FV always appear nice and appetizing

76% (0-100%)

11/17

82% (0-100%)

11/17

64% (A: 42-85%, B: 13-100%)

2/20

11/55

Pupils have been able to taste many different kinds of fruit

  

87% (0-100%)

14/18

73% (A: 57-93%, B: 35-100% )

4/20

13/55

Pupils have been able to taste many different kinds of vegetables

  

64% (0-100%)

7/18

50% (A: 27-86%, B: 10-100%)

1/20

2/55

Dose delivered

FV was delivered twice a week

       

September

45% (0-100%)

7/17

     

October

68% (0-100%)

11/17

     

November

82% (0-100%)

14/17

     

December

86% (0-100%)

15/17

     

January

86% (0-100%)

15/17

     

February

  

89% (0-100%)

13/14

   

March

  

83% (0-100%)

12/14

   

April

  

89% (0-100%)

13/14

   

May

  

89% (0-100%)

13/14

   

June

  

67% (0-100%)

9/14

   

The pupils were offered Boost FV 5 days a week

85% (0-100%)

12/17

64% (0-100%)

6/17

   

Dose received

Enough FV for every pupil to get one piece a day

58% (0-100%)

5/17

55% (0-100%)

6/17

44% (A: 23-63%, B: 10-80%)

0/20

2/55

Pupils ate FV last time they were in school (CT data)

       

1st period

    

89%s

  

2nd period

    

87%

  

3rd period

    

89%

  

Pupils ate Boost FV daily

    

45% (A: 13-72%, B: 7-77%)

0/20

0/55

Reach of intervention among subgroups

How often have the pupils eaten the Boost FV

High SEP

    

46%

  

Medium SEP

    

45%

  

Low SEP

    

42% (P = 0.6941)

  

Girls

    

42%

  

Boys

    

48% (P = 0.0543)

  
  1. A: School range: minimum and maximum percentage of teachers/pupils identified across schools.
  2. B: Class range: minimum and maximum percentage of pupils identified across schools.
  3. CT: Computer tailoring.
  4. FV: fruit and vegetables.
  5. SEP: socioeconomic position.