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Table 2 Age-specific prevalence (95% confidence interval) of depression and anxiety disorders per 100 population in 2011

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

Annual Prevalence ratio MS: matches Lifetime Prevalence ratio MS: matches
Age group MS Matches CCHS-MHa CCHS-MH reweightedb MS Matches
Depression
 18–24 12.1 (7.3, 16.8) 8.3 (6.5, 10.1) 7.1c (5.9, 8.3) 8.0c (5.9, 10.1) 1.45d (0.93, 2.27) 37.2 (28.9, 45.5) 23.6 (20.6, 26.6) 1.58f (1.22, 2.04)
 25–44 13.0 (11.3, 14.8) 8.1 (7.5, 8.7) 5.4 (4.6, 6.3) 6.1 (4.3, 7.9) 1.61e (1.38, 1.87) 45.7 (42.5, 48.9) 27.9 (26.8, 29.0) 1.64e (1.51, 1.77)
 45–64 11.7 (9.4, 14.0) 6.7 (5.9, 7.4) 4.5 (3.9, 5.1) 5.0 (3.5, 6.5) 1.76e (1.40, 2.22) 45.4 (40.8, 50.0) 26.5 (24.9, 28.0) 1.72e (1.53, 1.93)
 ≥ 65 s 6.5 (3.9, 9.0) 1.6 (1.2, 2.1) 1.7 (0.6, 2.8) 1.45d (0.93, 2.27) 36.8 (21.1, 52.6) 24.0 (19.1, 28.9) 1.53g (0.95, 2.46)
Anxiety disorder
 18–24 5.8 (2.5, 9.1) 7.6 (5.9, 9.3) 2.4 (1.7, 3.1) 3.1 (1.4, 4.8) 0.76h (0.41, 1.40) 43.0 (34.1, 51.9) 33.6 (30.0, 37.2) 1.28l (1.01, 1.62)
 25–44 6.3 (5.1, 7.5) 5.4 (4.9, 5.9) 2.9 (2.4, 3.4) 3.1 (1.7, 4.5) 1.18i (0.96, 1.46) 50.0 (46.6, 53.4) 37.9 (36.6, 39.2) 1.32e (1.22, 1.42)
 45–64 6.1 (4.4, 7.8) 4.7 (4.0, 5.3) 3.0 (2.5, 3.5) 3.4 (2.0, 4.8) 1.31j (0.96, 1.79) 48.4 (43.6, 53.1) 39.0 (37.2, 40.9) 1.24e (1.11, 1.38)
 ≥ 65 s 3.1 (1.3, 4.9) 1.2 (0.8, 1.6) 1.2 (0.1, 2.3) 0.57k (0.07, 4.35) 47.4 (29.5, 65.2) 38.5 (32.3, 44.7) 1.23m (0.82, 1.85)
  1. aCanadian Community Health Survey-Mental Health (CCHS-MH) estimates; b CCHS-MH estimates re-weighted to match male–female proportion in the matched study population; c CCHS-MH age group is 15–24 years; s suppressed due to privacy and confidentiality considerations; d p = 0.10; e p < 0.0001; f p = 0.0005; g p = 0.077; h p = 0.38; i p = 0.12; j p = 0.088; k p = 0.58; l p = 0.038; m p = 0.32