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Table 3 Attributable risks of identified risk factors

From: Environmental factors in early childhood are associated with multiple sclerosis: a case-control study

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