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Table 1 Baseline characteristics of study participants (n 64)

From: Effects of a physical education intervention on cognitive function in young children: randomized controlled pilot study

 

Intervention

Control

Total

Variable

Group

Group

Sample

Age, years

6.1 (0.3)

6.2 (0.3)

6.1 (0.3)

Body mass index z-score

0.30 (1.01)

0.48 (1.30)

0.38 (1.16)

Boys (%)

47%

42%

45%

Left-handed (%)

12%

8%

9%

Birth-weight (kg)

3.2 (0.6)

3.1 (0.5)

3.1 (0.6)

SES category

6 (1)

7 (1)

7 (1)

  1. 1. No significant differences between groups at baseline (just before intervention started).
  2. 2. BMI z-scores calculated relative to UK 1990 reference data.
  3. 3. Birth-weight data obtained by maternal report.
  4. 4. SES socioeconomic status -categorical variable based on postcode from highest SES (category 1) to lowest (category 7) [21]