Table 1.
Socio-demographical and medical characteristics by combined SES score
| Subjects characteristics | Low SES score 1 N = 33,664 | Medium SES score 1 N = 36,942 | High SES score 1 N = 28,369 |
|---|---|---|---|
| Age by 2002, years | |||
| Mean ± SD | 44.99 ± 17.21 | 49.36 ± 17.91 | 51.23 ± 18.42 |
| Median | 42.00 | 48.00 | 50.00 |
| Male gender | 46.9% | 46.6% | 45.7% |
| Born in Israel | 67.0% | 49.5% | 54.5% |
| USA, Europe | 3.5% | 11.1% | 18.3% |
| Former Soviet Union | 12.5% | 16.9% | 9.7% |
| Africa, Asia | 14.7% | 19.4% | 15.4% |
| South America | 0.5% | 1.5% | 1.7% |
| Ethiopia | 1.9% | 1.6% | 0.3% |
| Immigrated after 1989 | 11.6% | 14.3% | 6.8% |
| Charlson score with age | |||
| Mean ± SD | 1.02 ± 1.68 | 1.37 ± 1.91 | 1.54 ± 2.00 |
| Median | 0.00 | 1.00 | 1.00 |
| Charlson score without age | |||
| Mean ± SD (n) | 0.30 ± 0.85 | 0.40 ± 1.00 | 0.42 ± 1.02 |
| Median | 0.00 | 0.00 | 0.00 |
| Covered by complimentary insurance | 42.4% | 57.8% | 69.6% |
| SES index2 | |||
| Mean ± SD (n) | -0.84 ± 0.22 | -0.00 ± 0.22 | 1.10 ± 0.48 |
| Median | -0.90 | 0.00 | 0.99 |
1The SES index was grouped into 3 groups, low, medium and high corresponding to SES index percentiles <33.3%, 33.3-67.7%, and >67.7%.
2This factor is missing for 20.7% of the study population.
Due to the large sample all differences were found to be statistically significant.