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Table 1 Pre and post-test food diary (FD) scores and change in FD scores for the total cohort, and according to grade, gender, and BMI category (mean change and 95% confidence intervals)

From: Effectiveness and acceptability of a novel school-based healthy eating program among primary school children in urban Sri Lanka

Category

Variable

N (% of total)

Pre-test FD Scores%

Post-test FD Scores%

Δ FD Scores% (Post -Pre)

95% CI

P

Mean

SD

Mean

SD

All

 

1042 (100%)

51.4%

23.1

63.0%

24.5

11.6%

10.3%,13.0%

0.000

Grade

Grade 1

497 (47.7%)

52.7%

22.7

62.9%

24.4

10.2%

8.2%,12.0%

0.000

Grade 2

545 (52.3%)

50.1%

23.4

63.1%

24.5

13.0%

11.1%,14.9%

0.000

Gender

Male

641 (61.5%)

50.3%

24.1

63.3%

25.2

13.0%

11.2%,14.7%

0.000

Female

401 (38.5%)

53.0%

21.2

62.5%

23.2

9.5%

7.3%,11.6%

0.000

BMI category*

UW

162 (15.6%)

50.5%

23.5

63.7%

25.8

13.2%

9.7%,16.7%

0.000

NW

613 (58.8%)

51.2%

22.6

63.5%

23.7

12.3%

10.5%,14.0%

0.000

OW

66 (6.3%)

50.2%

23.0

60.6%

22.6

10.4%

5.2%,15.7%

0.000

OB

46 (4.4%)

47.7%

25.1

60.1%

25.1

12.4%

6.9%,17.9%

0.000

  1. *Excluding 155 (14.9%) students whose BMI data was not available