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Table 1 Descriptive characteristics

From: Effects of a physical education intervention on children’s physical activity and fitness: the PROFIT pilot study

 

Experimental group

Comparative group

Total

p

Mean (SD)

Age (Pretest, years)

8.33 (1.33)

8.14 (1.35)

8.28 (1.33)

0.653

Physical fitness (Pretest)

 Abdominal muscular endurance (rep.min−1)

25.06 (9.96)

23.31 (8.89)

24.68 (9.45)

0.563

 Agility (s)

7.64 (0.93)

7.81 (0.52)

7.70 (0.82)

0.422

 BMI (kg.m−2)

17.77 (4.23)

18.86 (3.22)

17.85 (4.03)

0.336

 Cardiorespiratory fitness (m)

670.17 (150.84)

760.31 (118.24)

700.12 (148.76)

0.046

 Flexibility (cm)

36.49 (8.10)

41.46 (7.89)

37.52 (8.85)

0.080

 Lower limbs power (cm)

109.66 (20.19)

117.00 (17.09)

111.45 (19.35)

0.214

 Speed (s)

4.87 (0.59)

4.39 (0.36)

4.73 (0.57)

0.003

 Upper limbs power (cm)

184.23 (52.07)

177.85 (28.52)

180.20 (48.89)

0.593

Physical activity levels (Pretest; min.day−1.week−1)

 Sedentary behavior

432.60 (48.99)

414.16 (71.16)

426.70 (56.94)

0.384

 Light physical activity

275.62 (55.12)

408.35 (79.31)

318.09 (88.78)

0.001

 Moderate physical activity

44.03 (12.52)

37.85 (21.31)

42.06 (15.90)

0.298

 Vigorous physical activity

21.29 (9.70)

10.53 (7.85)

17.85 (10.39)

0.001

 Moderate-to-vigorous physical activity

65.33 (20.35)

48.39 (28.06)

59.91 (24.16)

0.046

 

n (%)

 

Sex

 Male

15 (41.7)

11 (78.6)

26 (52.0)

0.028

 Females

21 (58.3)

3 (21.4)

24 (48.0)

  1. Data are expressed as mean and standard deviation (SD) or absolute and relative frequencies; Differences between intervention and comparative groups calculated using the bootstrapping resampling procedure for the Student t-test for continuous variables; The Fisher’s exact test was used to verify if there were more participants than expected within an specific cell of the contingency table for categorical variables association (p < 0.05)