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Table 2 Characteristics of the study population

From: Differences in fruit and vegetable intake and their determinants among 11-year-old schoolchildren between 2003 and 2009

  

Total population N = 1672

 
  

Pro Children

N = 1100

Pro Greens

N = 572

 
  

N

Mean (SD) or %

N

Mean (SD) or %

P-value*

age (years)

1096

12.1 (5.9)

572

11.6 (5.2)

0.065

gender (boys)

509

46.3%

272

47.6%

0.642

ethnic background of child

     
 

Non-Western

113

10.3%

45

7.9%

 
 

Western

69

6.3%

18

3.2%

= 0.005

 

Native Dutch

918

83.5%

508

89.0%

 

educational level of the mother

     
 

< 12 years

250

28.5%

180

32.9%

= 0.085

 

≥ 12 years

628

71.5%

367

67.1%

 

Meeting the recommendation WHO of 400 g fruit and vegetables per day

130

11.8%

97

17.0%

= 0.004

Meeting Dutch fruit intake recommendation (at least 2 pieces/day)

748

68%

226

39.5%

< 0.001

Meeting the Dutch vegetable intake recommendation (at least 150 gram/day)

133

12.1%

58

10.1%

= 0.257

fruit intake (gram/day)

     

girls

Mean (SD)

591

141.3 (132.5)

300

159.5 (168.8)

= 0.105

 

Median (IQR)

 

100 (50; 200)

 

100 (0; 200)

 

boys

Mean (SD)

509

124.8 (135.5)

272

150.3 (162.0)

= 0.027

 

Median (IQR)

 

100 (0; 200)

 

100 (0; 200)

 

Vegetable intake (gram/day)

    

girls

Mean (SD)

591

72.7 (83.6)

300

64.1 (83.6)

0.137

 

Median (IQR)

 

60 (0; 100)

 

50 (0; 100)

 

boys

Mean (SD)

509

67.5 (80.6)

272

67.5 (80.6)

0.036

 

Median (IQR)

 

60 (0; 117.5)

 

30 (0; 60)

 
  1. SD- standard deviation; IQR - Interquartile range, p25-p75
  2. * as estimated by X2 test (independent categorical data) or t-test for independent samples (for continuous data)