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Table 4 Relative age difference, expressed in quarters, and the scores obtained in cardiorespiratory fitness, trunk endurance, upper body strength, flexibility and movement skill assessments for children 8 to 12听years participating in the Canadian Assessment of Physical Literacy

From: Influence of the relative age effect on children鈥檚 scores obtained from the Canadian assessment of physical literacy

Boys

Girls

PACER (laps) (n鈥=鈥3970)

Timed plank (sec) (n鈥=鈥4044)

Grip strength (kg) (n鈥=鈥4045)

Sit-and-reach (cm) (n鈥=鈥4044)

CAMSA (n鈥=鈥4011)

PACER (laps) (n鈥=鈥3970)

Timed plank (sec) (n鈥=鈥4080)

Grip strength (kg) (n鈥=鈥4085)

Sit-and-reach (cm) (n鈥=鈥4077)

CAMSA (n鈥=鈥4033)

Quarter 1

(mean [95% CI])

28.1

摆27.1鈥29.0闭

63.5

摆60.8鈥66.2闭

36.1

摆35.5鈥36.6闭

25.4

摆24.9鈥25.9闭

32.4

摆32.0鈥32.7闭

22.1

摆21.4鈥22.8闭

62.7

摆60.1鈥65.2闭

34.1

摆33.6鈥34.6闭

31.2

摆30.7鈥31.7闭

31.4

摆31.1鈥31.8闭

Quarter 2

(mean [95% CI])

26.0 [25.1鈥26.9]鈥

62.8

摆60.2鈥65.3闭

35.2

摆34.7鈥35.7闭

25.6

摆25.2鈥26.1闭

31.7

摆31.4鈥32.0闭鈥

21.2

摆20.5鈥21.9闭

62.1

摆59.6鈥64.6闭

32.9

摆32.5鈥33.4闭鈥

30.6

摆30.1鈥31.2闭

30.6

摆30.3鈥31.0闭鈥

Quarter 3

(mean [95% CI])

25.2

摆24.4鈥26.1闭鈥

62.1

摆59.6鈥64.6闭

33.3

摆32.8鈥33.8闭鈥

25.6

摆25.1鈥26.0闭

31.4

摆31.1鈥31.7闭鈥

20.2

摆19.5鈥20.8闭鈥

60.2

摆57.9鈥62.6闭

32.2

摆31.8鈥32.6闭鈥

31.1

摆30.6鈥31.5闭

30.3

摆30.0鈥30.6闭鈥

Quarter 4

(mean [95% CI])

25.0

摆24.0鈥25.9闭鈥

60.7

摆57.9鈥63.4闭

33.4

摆32.9鈥33.9闭鈥

25.2

摆24.7鈥25.6闭

31.0

摆30.7鈥31.3闭鈥♀赌

20.6

摆19.9鈥21.4闭鈥

60.5

摆57.8鈥63.2闭

31.3

摆30.8鈥31.7闭鈥♀赌

31.0

摆30.5鈥31.6闭

29.8

摆29.5鈥30.2闭鈥♀赌

F-test

106.38*

53.10*

237.40*

10.51*

109.38*

77.7*

56.40*

320.25*

4.34*

104.5*

p-value

&濒迟;鈥0.001

0.51

&濒迟;鈥0.001

0.53

&濒迟;鈥0.001

0.001

0.46

&濒迟;鈥0.001

0.43

&濒迟;鈥0.001

2

0.01

0.001

0.02

0.001

0.01

0.004

0.001

0.02

0.001

0.01

  1. An analysis of covariance was conducted controlling for BMI z-score, site location, age (whole years) and testing month. Quarter 1 represents children born in January to March, quarter 2 is from April to June, etc. The F-test is shown for the overall corrected model (*p鈥&濒迟;鈥0.001). The last two columns, p-value and Cohen鈥檚 茠2, are for the main effect of relative age in quarters
  2. statistically significant differences between quarter 1 and other quarters
  3. statistically significant differences between quarter 2 and other quarters
  4. CAMSA Canadian Agility and Movement Skill Assessment, CAPL Canadian Assessment of Physical Literacy, CI confidence intervals, PACER Progressive Aerobic Cardiovascular Endurance Run