Table 1 Characteristics of the analytical sample by place of residence in 14176 Iranian women, 1999–2000
From: A comparison of two methods for estimating odds ratios: Results from the National Health Survey
Variables | Rural (n = 5219) | Urban (n = 8957) |
|---|---|---|
Age, years(mean, sda) | 36.91 (13.58) | 37.3(13.6) |
BMIb(mean, sd) | 24.14(4.64) | 26.02(5.06) |
Years of education(mean, sd) | 2.59(3.42) | 5.65(4.83) |
Married (number) | 3973 | 7234 |
Non-married (number) | 1246 | 1723 |
Low economic index(number) | 1655 | 2379 |
Lower-middle economic index(number) | 1036 | 2271 |
Upper-middle economic index(number) | 1280 | 2212 |
High economic index(number) | 1248 | 2095 |
Smoker (number) | 97 | 176 |
Non smoker(number) | 5122 | 8781 |