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Table 2 Prevalence rates of chronic pain

From: Untying chronic pain: prevalence and societal burden of chronic pain stages in the general population - a cross-sectional survey

Criteria N % (95% CI) Missing data Valid cases
Constant or frequently recurrent pain since > 3 months 710 28.3 (26.6- 30.2) 6 2502
 Non-malignant pain 673 26.9 (25.2-28.6)   
 Malignant pain 37 1.4 (1.35-1.45)   
SF-8 bodily pain intensity last 4 weeks (malignant pain excluded)    7 2464
 None 1802 73.1 (71.3-74.9)   
 Very slight 27 1.0 (0.9-1.1)   
 Slight 106 4.2 (3.4-5.0)   
 Moderate 371 15.0 (13.6-16.4)   
 Strong 141 5.7 (4.6-6.6)   
 Very strong 17 0.1 (0.08-0.12)   
SF-8 bodily pain very slight to very severe intensity last 4 weeks (malignant pain excluded) duration    6 663
 3-6 months 88 13.2 (10.2-15.8)   
 7-12 months 64 9.7 (7.5-11.9)   
 1-3 years 181 27.3 (23.9-30.7)   
 3-5 years 145 21.9 (18.8-25.0)   
 5-10 years 101 15.2 (12.5-17.9)   
 > 10 years 84 12.7 (10.2-14.2)   
Chronic pain stages (referred to total sample)    2 2452
 I 271 11.1 (9.8-12.2)   
 II 207 8.4 (7.3-9.5)   
 III 122 5.0 (4.1-5.8)   
 IV 60 2.4 (1.9-2.9)   
Chronic pain stages (referred to persons with chronic non-malignant pain)    2 660
 I 271 41.1 (37.4-44.8)   
 II 207 31.4 (27.9-34.9)   
 III 122 18.5 (15.5-21.5)   
 IV 60 9.0 (7.9-11.2)   
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