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Table 2 Normative data of the CFS by age and gender

From: Dimensionality, psychometric properties, and population-based norms of the Turkish version of the Chalder Fatigue Scale among adults

 

X (SD)

M (25–75%)

X (SD)

M (25–75%)

X (SD)

M (25–75%)

Female

20–29 age (n = 126)

30–40 age (n = 86)

20–40 age (n = 212)

CFS-PF

8.6 (3.9)

8 (6–12)

8.5 (3.6)

8 (6–11)

8.6 (3.8)

8 (6–11.5)

CFS-MF

3.8 (7.7)

4 (2–5)

3.6 (1.9)

4 (2–5)

3.7 (1.8)

4 (2–5)

CFS

12.3 (4.9)

12 (9–16)

12 (4.8)

12 (8–15)

12.2 (4.8)

12 (9–16)

Male

20–29 age (n = 160)

30–40 age (n = 104)

20–40 age (n = 264)

CFS-PF

6.3 (3.4)

7 (4–8)

6.4 (3.3)

7 (4–8)

6.3 (3.4)

7 (4–8)

CFS-MF

3.2 (1.9)

3 (2–4)

2.9 (1.7)

3.5 (1–4)

3.1 (1.8)

3 (1–4)

CFS

9.5 (4.7)

10 (6–12)

9.3 (4.6)

11 (5–11.5)

9.4 (4.6)

10 (6–12)

Overall

20–29 age (n = 286)

30–40 age (n = 190)

20–40 age (n = 476)

CFS-PF

7.3 (3.8)

7 (4–10)

7.4 (3.6)

7 (5–9)

7.3 (3.7)

7 (5–10)

CFS-MF

3.4 (1.8)

4 (2–4)

3.2 (1.9)

4 (1–4)

3.3 (1.8)

4 (2–4)

CFS

10.7 (5)

11 (7–14)

10.6 (4.8)

11 (7–14)

10.7 (4.9)

11 (7–14)

  1. X: Mean, SD: standard deviation, M: Median, 25%-75%: percentiles, CFS-PF: Chalder Fatigue Scale-Physical Fatigue, CFS-MF: Chalder Fatigue Scale-Mental Fatigue, CFS: Chalder Fatigue Scale