Table 2 Basic parameters of female badminton players broken down by age.

From: Epidemiological characteristics of injury in 7–22-year-old badminton players by age and sex

Variable

7/8 yrs (n = 31)

9/10 yrs (n = 118)

11/12 yrs (n = 144)

13/14 yrs (n = 24)

15/16 yrs (n = 26)

17/18 yrs (n = 28)

19/20 yrs (n = 16)

21/22 yrs (n = 7)

Age

7.87 ± 0.34*

9.56 ± 0.50*

11.15 ± 0.35*

14.11 ± 0.45*

15.94 ± 0.60*

17.95 ± 0.46*

19.41 ± 0.49*

21.29 ± 0.49*

Years, experience

2.06 ± 0.84*

2.67 ± 1.16*

3.30 ± 1.35*

7.03 ± 1.30*

8.48 ± 1.91*

10.88 ± 2.20*

11.35 ± 1.60*

13.57 ± 1.62*

Hours, training

2.45 ± 0.72*

2.78 ± 0.77*

2.72 ± 0.83*

3.38 ± 0.67*

3.15 ± 0.59*

3.54 ± 0.51*

3.28 ± 0.52*

3.36 ± 0.63*

Training times, weekly

4.77 ± 1.40*

4.44 ± 1.27*

4.58 ± 1.21*

6.29 ± 0.69*

7.08 ± 3.97*

6.18 ± 0.86*

5.50 ± 0.82*

5.43 ± 0.53*

Total hours, weekly

11.85 ± 5.01*

12.33 ± 4.78*

12.63 ± 5.78*

21.45 ± 5.56*

22.47 ± 12.60*

21.79 ± 4.01*

18.00 ± 3.71*

18.00 ± 2.24*

Total hours, year

473.87 ± 200.41*

493.22 ± 191.09*

505.35 ± 231.29*

858.06 ± 222.37*

898.72 ± 504.08*

871.67 ± 160.58*

720.00 ± 148.13*

720.00 ± 89.44*

  1. Values are mean ± standard deviation.
  2. *P value < 0.001 among the eight age groups in female players.
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