Table 1 Pain prevalence and YSR syndrome scale scores, overall and by gender

No Pain

482 (59.8)

404 (52.2)

886 (56.1)

Neck pain only

111 (13.8)

134 (17.3)

245 (15.5)

Back pain only

140 (17.3)

100 (12.9)

240 (15.2)

Neck and back pain

73 (9.1)

136 (17.6)

< 0.001

209 (13.2)

YSR Syndrome Scores:mean (sd)

Somatic

(0-18)

2.7 (2.5)

3.4 (2.7)

< 0.001

3.1 (2.6)

Anxious/Depressed

(0-32)

3.3 (3.4)

5.1 (4.7)

< 0.001

4.2 (4.2)

Withdrawn

(0-14)

2.5 (1.9)

3.2 (2.2)

< 0.001

2.9 (2.1)

Aggressive

(0-38)

8.0 (5.1)

8.5 (5.1)

0.035

8.3 (5.1)

Rule-Breaking

(0-22)

3.1 (2.3)

2.8 (2.5)

0.013

2.9 (2.4)

Social

(0-16)

2.6 (2.1)

2.8 (2.2)

0.125

2.7 (2.1)

Thought

(0-14)

2.6 (2.1)

2.9 (2.4)

0.035

2.8 (2.2)

Attention

(0-18)

4.8 (3.0)

5.3 (3.1)

0.001

5.0 (3.1)