Table 2.

Comparing the OR of diffrent age groups by familial recurrence of MS

	Familial History of MS
Age	No N (%)	Yes N (%)	OR (95% CI)
18 <	1405 (10.1)	242 (11.8)	1.15 (0.90–1.46)
18–27	5395 (39.0)	826 (40.6)	1.02 (0.82–1.26)
28–37	4524 (32.7)	618 (30.4)	Reference
38–47	1771 (12.7)	236 (11.6)	0.89 (0.70–1.13)
48 ≥	755 (5.5)	113(5.6)	0.91 (0.73–1.13)

OR odds ratio, CI confidence interval

P value = 0.03