Table 2 Association between sleep disturbance and neck pain

Sleep disturbance at the fourth time point

Total

Absence

Presence

P value

Participants

2,059

1,372

687

Neck pain, n (%)

410 (19.9)

192 (14.0)

218 (31.7)

Crude OR (95% CI)

1 (Ref.)

2.86 (2.29–3.57)

 < 0.001

Adjusted OR (95% CI)

1 (Ref.)

2.45 (1.91–3.15)

 < 0.001

duration

 < 1 year

≥ 1 year, < 2 years

≥ 2 years

P for trend

Participants

168

109

410

Neck pain, n (%)

43 (25.6)

34 (31.2)

141 (34.4)

Crude OR (95% CI)

1 (Ref.)

2.11 (1.45–3.09)

2.79 (1.81–4.30)

3.22 (2.50–4.16)

 < 0.001

Adjusted OR (95%CI)

1 (Ref.)

1.84 (1.23–2.75)

2.41 (1.53–3.81)

2.80 (2.09–3.76)

 < 0.001