Table 5.

Multivariate analysis of the whole sample.

		4×5-m (s)	60-m (s)	30-m (s)
All the sample	BMI 3	<0.001	<0.001	<0.001
		0.29 (0.25–0.34)	0.68 (0.59–0.78)	0.06 (0.09–0.19)
	1991–1995	0.031	0.105	0.924
		0.06 (0.01–0.34)	0.09 (−0.02–0.19)	0.00 (0.40–0.44)
	1996–2000	<0.001	0.772	0.444
		0.16 (0.10–0.21)	0.02 (−0.10–0.14)	−0.19 (−0.07–0.03)
	2001–2005	<0.001	0.469	0.843
		0.18 (0.12–0.24)	−0.04 (−0.16–0.75)	−0.00 (−0.05–0.04)
	>2005	<0.001	0.691	0.953
		0.49 (0.43–0.55)	−0.02 (−0.15–0.10)	0.00 (−0.04–0.05)
	Age	<0.001	<0.001	<0.001
		−0.20 (−0.21–0.19)	−0.46 (−0.21–0.41)	−0.18 (−0.18–0.16)
	Gender	<0.001	<0.001	0.02
		−0.29 (–0.33–0.25)	−0.45 (–0.53–0.37)	−0.07 (–0.14–0.008)
Normal weight	Age	<0.001	<0.001	<0.001
		−0.20 (−0.21–0.18)	−0.43 (−0.46–0.40)	−0.18 (−0.19–0.17)
	Gender	<0.001	<0.001	<0.001
		−0.31 (–0.35–0.26)	−0.49 (–0.58–0.40)	−0.21 (–0.24–0.17)
	1991–1995	0.046	0.149	0.993
		0.06 (0.00–0.11)	0.08 (−0.03–0.20)	0.00 (0.04–0.05)
	1996–2000	<0.001	0.462	0.565
		0.15 (0.09–0.21)	0.05 (−0.08–0.17)	−0.01 (−0.07–0.04)
	2001–2005	<0.001	0.552	0.751
		0.15 (0.09–0.21)	−0.04 (−0.17–0.09)	−0.01 (−0.06–0.04)
	>2005	<0.001	0.292	0.247
		0.44 (0.37–0.50)	−0.07 (−0.20–0.06)	0.03 (−0.09–0.02)
Obese	Age	<0.001	<0.001	<0.001
		−0.24 (−0.28–0.20)	−0.48 (−0.57–0.39)	−0.21 (−0.24–0.18)
	Gender	<0.001	<0.001	0.035
		−0.24 (–0.35–0.13)	−0.34 (–0.57–0.10)	−0.11 (–0.21–0.01)
	1991–1995	0.795	0.696	0.586
		−0.02 (−0.20–0.15)	0.08 (−0.31–0.46)	0.04 (−0.11–0.19)
	1996–2000	<0.011	0.654	0.775
		0.23 (0.05–0.41)	0.09 (−0.30–0.48)	−0.02 (−0.13–0.18)
	2001–2005	0.001	0.700	0.868
		0.30 (0.12–0.81)	−0.08 (−0.47–0.32)	−0.13 (−0.14–0.17)
	>2005	<0.001	0.773	0.301
		0.63 (0.46–0.81)	−0.06 (−0.32–0.44)	0.08 (−0.07–0.24)

³ BMI = Body Mass Index; 4×5-m = 4×5 m sprint test, s = seconds; 60-m = 60-m sprint test; 30-m = 30-m sprint test.