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*** | ||
Significant: ***p < 0.001
aAnnual number of referrals divided by number of insured persons in the same age group.
HMO, health management organization (Clalit Health Services), CI, confidence interval; OR, odds ratio