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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