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Estimates and 95% confidence intervals of the odds ratios in the logistic model with only significant risk factor variables
| Variable | Estimate | Lower Bound 95% CI | Upper Bound 95% CI |
|---|---|---|---|
| Town: Sofia-Gorubliane | 4.643 | 2.712 | 8.064 |
| Town: Sofia-Sport | 0.580 | 0.278 | 1.160 |
| Town: Veliko Tarnovo | 2.337 | 1.524 | 3.696 |
| Gender (Female) | 1.595 | 1.184 | 2.155 |
| Age group: below 10 | 0.550 | 0.404 | 0.750 |
| Parents wear glasses: at least one of them | 1.677 | 1.239 | 2.271 |
