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Table 5 Baseline health and anthropometric characteristics of students, overall and by the assigned strategy

From: PRALIMAP: study protocol for a high school-based, factorial cluster randomised interventional trial of three overweight and obesity prevention strategies

   

Educational

strategy

Screening

strategy

Environmental

strategy

 

Overall

No

Yes

No

Yes

No

Yes

 

N = 5,458

N = 2,483

N = 2,975

N = 2,771

N = 2,687

N = 2,794

N = 2,664

 

%/

mean*

SEM**

%/

mean*

SD¥

%/

mean*

SD¥

%/

mean*

SD¥

%/

mean*

SD¥

%/

mean*

SD¥

%/

mean*

SD¥

Body mass index (kg/m 2 )

21.7

0.1

21.5

3.3

21.7

3.6

21.7

3.7

21.5

3.3

21.6

3.6

21.6

3.4

Body size (IOTF classification)

              

   Thinness Grade 3

0.2

 

0.1

 

0.3

 

0.3

 

0.2

 

0.1

 

0.4

 

   Thinness Grade 2

0.8

 

0.5

 

0.7

 

0.6

 

0.7

 

0.7

 

0.6

 

   Thinness Grade 1

4.5

 

5.0

 

3.7

 

4.5

 

4.1

 

4.5

 

4.2

 

   Normal

74.9

 

76.1

 

76.0

 

74.7

 

77.4

 

75.6

 

76.5

 

   Overweight

14.9

 

14.6

 

14.9

 

15.7

 

13.9

 

15.0

 

14.6

 

   Obese

4.6

 

3.6

 

4.3

 

4.3

 

3.7

 

4.2

 

3.8

 

Waist circumference (cm)

73.1

0.7

73.0

8.5

72.1

9.2

72.7

8.9

72.3

8.8

73.6

9.3

71.4

8.3

High waist circumference (Canada classification)

13.4

 

13.2

 

11.1

 

12.3

 

11.7

 

14.9

 

9.0

 

Eating behaviour disorders (EAT-40)

              

   Low risk (< 17.5/100)

81.3

 

81.2

 

82.3

 

81.4

 

82.2

 

82.1

 

81.5

 

   Moderate risk (17.5/100 - 30/100)

9.9

 

9.8

 

10.1

 

9.9

 

9.9

 

9.2

 

10.7

 

   High risk (≥ 30/100)

8.8

 

9.0

 

7.6

 

8.7

 

7.9

 

8.7

 

7.8

 

Hospital Anxiety and Depression (HAD scale)

              

High anxiety score (≥50/100)

23.3

 

23.8

 

24.3

 

24.4

 

23.7

 

22.5

 

25.7

 

High depression score (≥50/100)

3.2

 

2.8

 

2.5

 

2.8

 

2.6

 

2.6

 

2.7

 

Duke Health Profile

              

Physical score (0-100)

75.4

0.5

75.1

18.9

75.6

18.5

75.3

18.6

75.5

18.7

76.1

18.6

74.6

18.7

Mental score (0-100)

64.4

0.6

64.8

23.4

63.9

23.3

64.0

23.6

64.7

23.1

65.1

23.1

63.5

23.6

Social score (0-100)

68.8

0.4

68.7

19.2

68.6

19.3

68.5

19.4

68.8

19.1

68.9

19.1

68.4

19.4

  1. ¶ Overall baseline characteristic parameters are estimated according to stratification and cluster design
  2. * Data are mean when SD is displayed or percentages
  3. ** Standard Error of the Mean
  4. ¥ Standard Deviation