Table 1 Distribution of prevalence rates (%) of referrals for neck pain by age and sex
Age group (years) | Men insured in HMO | Men average annual referrals a(%) | Women insured in HMO | Women average annual referrals a(%) | All insured in HMO | All insured average annual referrals (%) | Difference between men and women Z ratio | Neck pain compared with the total | |
|---|---|---|---|---|---|---|---|---|---|
OR (p) | 95% CI | ||||||||
20–30 | 295,626 | 1707 (0.6%) | 299,513 | 2357 (0.8%) | 595,139 | 4064 (0.7%) | 9.81*** | 0.61 (p < 0.001) | 0.59, 0.63 |
31–40 | 272,624 | 1919 (0.7%) | 267,803 | 2484 (0.9%) | 540,427 | 4404 (0.8%) | 9.14*** | 0.73 (p < 0.001) | 0.71, 0.76 |
41–50 | 208,111 | 1636 (0.8%) | 215,349 | 2910 (1.4%) | 423,460 | 4546 1%)0.1) | 17.84*** | 0.97 (p = 0.045) | 0.94, 0.99 |
51–60 | 164,013 | 2206 (1.3%) | 210,743 | 3720 (1.8%) | 374,756 | 5927 (1.6%) | 7.85*** | 1.43 (p < 0.001) | 1.39, 1.48 |
61–70 | 146,517 | 2020 (1.4%) | 177,782 | 3130 (1.8%) | 324,299 | 5150 (1.6%) | 11.01*** | 1.44 (p < 0.001) | 1.40, 1.48 |
71–80 | 97,332 | 1385 (1.4%) | 125,201 | 2329 (1.9%) | 222,533 | 3713 (1.7%) | 7.98*** | 1.51 (p < 0.001) | 1.46, 1.57 |
> 80 | 52,582 | 466 (0.9%) | 79,150 | 679 (0.9%) | 131,732 | 1145 (0.9%) | -0.54 | 0.78 (p < 0.001) | 0.74, 0.83 |
Total (> 20 years) | 1,236,805 | 11,339 (0.9%) | 1,375,541 | 17,609 (1.3%) | 2,612,346 | 28,949 (1.1%) | 28.0*** |  |  |