Table 3 Stratified analysis for age
Duration of sleep disturbance | ||||||
|---|---|---|---|---|---|---|
Total | Absence | < 1 year | 1 year, < 2 years | ≥ 2 years | P for trend | |
< 65 years old | ||||||
Participants | 820 | 525 | 80 | 59 | 156 | |
Neck pain, n (%) | 205 (25.0) | 89 (17.0) | 25 (31.3) | 24 (40.7) | 67 (42.9) | |
Adjusted OR (95%CI) | 1 (Ref.) | 2.14 (1.21–3.80) | 2.95 (1.58–5.50) | 3.16 (2.00–4.99) | < 0.001 | |
≥ 65 years old | ||||||
Participants | 1,239 | 847 | 88 | 50 | 254 | |
Neck pain, n (%) | 205 (16.5) | 103 (12.2) | 18 (20.5) | 10 (20.0) | 74 (29.1) | |
Adjusted OR (95%CI) | 1 (Ref.) | 1.70 (0.94–3.07) | 1.65 (0.77–3.54) | 2.64 (1.77–3.93) | < 0.001 | |
P-interaction = 0.256 | ||||||