Table 5.
Unadjusted parameter estimate (β) with standard errors (SE) of BMIZ according to sociodemographic and hygienic characteristics.
| Variable | β | SE | p |
|---|---|---|---|
| Male sex | 0.11 | 0.02 | <0.0001 |
| Age | |||
| 13 years | 0.01 | 0.02 | 0.3621 |
| 14 years | -0.01 | 0.19 | 0.9253 |
| 15 years | -0.08 | 0.18 | 0.6642 |
| 16 years | -0.05 | 0.01 | 0.8616 |
| 17 years | 0 | 0.02 | 0.8931 |
| Living in the old town district | -0.02 | 0.02 | 0.2323 |
| Consumption of raw vegetables | 0.02 | 0.02 | 0.2746 |
| Consumption of raw meat | 0.01 | 0.02 | 0.4275 |
| Consumption of unboiled water | 0.05 | 0.02 | 0.0017 |
| Using collective catering facilities | -0.07 | 0.02 | 0.0001 |
| Washing hands after coming home | -0.03 | 0.02 | 0.0837 |
| Washing hands before meal | -0.03 | 0.02 | 0.1148 |
| Washing hands after toilet | -0.03 | 0.02 | 0.0573 |
| Washing hands after contact with animals | 0 | 0.02 | 0.9243 |
| Owing a cat | 0 | 0.02 | 0.9317 |
| Owing a dog | 0 | 0.02 | 0.9571 |
| Owing a cat and a dog | 0 | 0.01 | 0.7241 |
| Helicobacter pylori infection | -0.04 | 0.02 | 0.0246 |