Table 3.
Attributable risks of identified risk factors
| Factor | Attributable fraction (%) |
|---|---|
| Age > 32 | 36.6 |
| Female | 11.4 |
| No day-care attendance age 0-3 | 11.6 |
| Residence < 100.000 inhabitants age 0-6 | 6.7 |
| Born as first or second child | 23.3 |
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