| |
No insomnia symptoms
|
Sub-threshold insomniaa
|
Insomnia (ICSD-3)b
|
|---|
|
Chronic pain variables
|
No. of persons
|
No. of cases
|
Age-adjusted RR
|
Multi-adjusted, RRc (95% CI)
|
No. of persons
|
No. of cases
|
Age-adjusted RR
|
Multi-adjusted RRc (95% CI)
|
No. of persons
|
No. of cases
|
Age-adjusted RR
|
Multi-adjusted RRc (95% CI)
|
|---|
|
No chronic pain
|
7653
|
703
|
1.00
|
1.00 (reference)
|
1497
|
219
|
1.60
|
1.57 (1.36–1.81)
|
230
|
40
|
1.86
|
1.78 (1.33–2.38)
|
|
1–2 pain sites
|
3063
|
312
|
1.12
|
1.11 (0.98–1.26)
|
952
|
149
|
1.73
|
1.69 (1.43–1.99)
|
146
|
21
|
1.55
|
1.48 (0.99–2.21)
|
|
3–4 pain sites
|
1826
|
223
|
1.35
|
1.31 (1.14–1.52)
|
834
|
136
|
1.82
|
1.74 (1.46–2.06)
|
205
|
42
|
2.24
|
2.15 (1.62–2.84)
|
|
≥5 pain sites
|
968
|
139
|
1.60
|
1.52 (1.28–1.81)
|
717
|
123
|
1.93
|
1.81 (1.51–2.17)
|
210
|
48
|
2.56
|
2.42 (1.85–3.16)
|
- CI confidence interval, RR risk ratio
- aAt least one of the following symptoms: ‘difficulty falling asleep’, ‘difficulty maintaining sleep’, ‘waking up too early’, ‘daytime sleepiness’
- bAt least one nighttime insomnia symptom (‘difficulty falling asleep’, ‘difficulty maintaining sleep’, or ‘waking up too early’) accompanied by daytime sleepiness
- cMulti-adjusted for age (continuous), sex (women, men), body mass index (continuous), smoking (never, former or occasional, current), alcohol consumption (no alcohol abuse, possible alcohol abuse), physical activity level (inactive, low activity, moderate activity, high activity)
