Mean (SD) of the five fatigue scales in the total population and in sociodemographic groupings. The range of the scales are 0 to 100. Higher scores indicate more fatigue
| General Fatigue | Physical Fatigue | Reduced Activity | Reduced Motivation | Mental Fatigue | |
| All (n=1082) | 35 (28) | 33 (27) | 26 (27) | 18 (19) | 24 (24) |
| Women (n=544) | 37 (30) | 34 (28) | 25 (27) | 16 (19) | 23 (25) |
| Men (n=533) | 33 (26) | 32 (26) | 27 (26) | 20 (19) | 24 (23) |
| Age 20–29 (n=175) | 34 (25) | 28 (23) | 21 (20) | 13 (13) | 24 (23) |
| Age 30–39 (n=207) | 33 (23) | 28 (22) | 18 (20) | 15 (15) | 22 (22) |
| Age 40–49 (n=183) | 35 (28) | 31 (27) | 21 (24) | 18 (19) | 25 (23) |
| Age 50–59 (n=185) | 37 (28) | 34 (27) | 27 (25) | 18 (18) | 25 (24) |
| Age 60–69 (n=181) | 32 (29) | 35 (29) | 31 (28) | 19 (21) | 20 (23) |
| Age 70–79 (n=151) | 39 (34) | 44 (34) | 42 (35) | 25 (24) | 26 (29) |
| Social class I (n=134) | 32 (25) | 31 (24) | 22 (24) | 16 (17) | 19 (21) |
| Social class II (n=208) | 29 (24) | 28 (25) | 19 (21) | 14 (16) | 19 (20) |
| Social class III (n=232) | 36 (29) | 34 (28) | 26 (27) | 19 (19) | 24 (24) |
| Social class VI (n=269) | 35 (28) | 31 (27) | 26 (26) | 18 (19) | 25 (24) |
| Social class V (n=148) | 42 (32) | 40 (30) | 35 (30) | 22 (23) | 28 (27) |
| >3 years education (n=246) | 32 (25) | 31 (25) | 22 (24) | 16 (19) | 20 (22) |
| Apprenticeship (n=231) | 32 (27) | 28 (25) | 23 (24) | 16 (16) | 22 (25) |
| <3 years education (n=292) | 35 (28) | 32 (27) | 25 (25) | 17 (18) | 24 (22) |
| No education (n=199) | 43 (31) | 43 (31) | 38 (32) | 25 (23) | 28 (28) |
| Cohabiting (n=778) | 34 (27) | 32 (26) | 24 (25) | 17 (18) | 22 (23) |
| Living alone (n=296) | 37 (29) | 35 (29) | 31 (29) | 19 (21) | 27 (26) |