Table 4.

Logistic regression analysis with DT > 0 as dependent variable and categorized health behaviors, self-reported physical activity and outcomes of physical fitness tests explaining (independent) variables

Explanatory variable		DT > 0
		OR		95% CI	SE	z	P-value
Do you smoke
No		1
Yes		1.91		1.71, 2.13	0.06	11.59	< 0.001
Do you use snuff
No		1
Yes		1.05		0.92, 1.19	0.07	0.67	0.50
Do you consume alcohol
< every other week		1
≥ every other week		0.79		0.71, 0.88	0.05	− 4.40	< 0.001
Do you use energy drinks
No		1
Yes		1.24		1.12, 1.37	0.05	4.01	< 0.001
Do you use sport drinks
No		1
Yes		1.06		0.93, 1.20	0.06	− 2.10	0.40
Push-ups
Good		1
Poor		1.14		1.01, 1.29	0.06	− 2.10	0.04
Sit-ups
Good		1
Poor		1.34		1.18, 1.52	0.07	− 4.46	< 0.001
Cooper test
Good		1
Poor		0.91		0.79, 1.04	0.07	1.40	0.175
Current amount of exercise
Less than once/week		1
1–4 times a week	0.89		0.78, 1.01		0.07	− 1.83	0.067
> 4 times a week	0.90		0.72, 1.12		0.11	− 0.94	0.346