Table 7 Associations between LBP and training characteristics in 14 to 16 year old sports club members

Active playing/practicing years (boys n = 488, girls n = 465)

1.05

(0.97–1.13)

1.07

(1.00–1.14)

Training hours per week during training season (boys n = 486, girls n = 463)

1.05

(1.01–1.09)

1.01

(0.96–1.05)

Training hours per week during competition season (boys n = 482, girls n = 448)

1.03

(0.99–1.08)

1.03

(0.99–1.08)

Number of competitions/games during previous 12 months (boys n = 485, girls n = 462)

1.01

(1.00–1.02)

1.00

(0.98–1.01)

Number of rest days during training season (boys n = 483, girls n = 461)

0.78

(0.65–0.94)

0.96

(0.83–1.11)

Number of rest days during competition season (boys n = 480, girls n = 459)

0.79

(0.66–0.94)

0.84

(0.72–1.00)