Table 1

Absolute values of the predictors for the adolescents without spinal pain, for those with pain in one spinal area and for those with pain in more than one spinal area

	No spinal pain (N = 216)	Pain in one spinal area (N = 131)	Pain in more than one spinal area (N = 52)
Age (mean/SD)	12.0 ± 1.7	12.6 ± 1.8	12.9 ± 1.6
Gender (male/female)	116/100	60/71	19/33
BMI (mean/SD)	18.4 ± 3.4	19.1 ± 2.9	19.1 ± 2.5
Finger Floor Distance (mean/SD)	10.0 ± 9.8	9.5 ± 10.9	8.8 ± 9.7
Adams sign (Asymmetry/Symmetry)	29/176	27/101	11/40
Single leg stance with closed eyes (reduced/ok on both legs)	41/170	25/103	10/40
TV/computer activities (mean/SD)	7.1 ± 5.9	8.2 ± 7.4	9.3 ± 6.3
Parental back pain (yes/no)	157/26	103/7	39/5
Parental smoking (yes/no)	48/156	34/88	12/39
Sleep disorders (yes/no)	40/173	36/94	23/29
Headache (yes/no)	39/173	34/96	20/32
Abdominal pain (yes/no)	23/189	13/117	4/48
Headache and abdominal pain (yes/no)	14/198	22/108	11/41

BMI = body mass index.