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Table 1 Characteristics of incident multiple sclerosis (MS) and matched cohorts at the index date

From: Estimating annual prevalence of depression and anxiety disorder in multiple sclerosis using administrative data

Characteristic

MS matches (n = 17,526)

MS (n = 3514)

Female, n (%)

12,697 (72.4)

2544 (72.4)

Age at diagnosis, mean (SD)

40.8 (12.5)

40.8 (12.5)

Duration of follow-up from the index date (years), median (IQR)

10.5 (5.0, 16.3)

10.3 (4.90, 16.1)

Region of residence, n (%)

 Urban

11,685 (66.7)

2344 (66.7)

 Rural

5841 (33.3)

1170 (33.3)

Socioeconomic Factor Index Scorea

− 0.18 (0.87)

− 0.24 (0.89)

  1. aValues less than zero indicate higher socioeconomic status