Table 2

Body function, activity and health status in working women (WW) and nonworking women (NWW) with fibromyalgia
WW (N = 53) NWW (N = 76) p-value
Body function, Mean (SD) Median (range) Mean (SD) Median (range)
Performance-based tests
6MWT, meters 520 (95.6) 524 (136–674) 500 (75.8) 512 (295–686) 0.087
Grippit right hand, Newton 160.3 (67.1) 155 (27–323) 146.1 (67.6) 160 (13–334) 0.284
Grippit left hand, Newton 158.6 (73.2) 155(17–349) 144.3 (65.4) 147 (19–319) 0.343
Body function, ratings
Pain localizations, number 12.5 (3.3) 13 (5–18) 14.0 (3.2) 14 (5–18) 0.009
FIQ pain, 0-100 62.5 (17.1) 63 (26–100) 77.0 (17.0) 80 (26–100) <0.001
FIQ fatigue, 0-100 75.4 (22.4) 83 (15–100) 84.8 (17.1) 90 (19–100) 0.006
FIQ morning tired, 0-100 76.9 (20.7) 81 (10–100) 83.6 (18.9) 89 (2–100) 0.017
FIQ stiffness, 0-100 64.0 (27.6) 75 (15–97) 75.6 (23.7) 82 (10–100) 0.009
FIQ anxiety, 0-100 42.1 (32.6) 38 (0–96) 52.5 (35.1) 54 (0–100) 0.060
FIQ depression, 0-100 39.2 (31.7) 32 (0–96) 48.5 (32.5) 51 (0–100) 0.116
HADS-A, 0-21 7.5 (4.8) 7 (1–19) 9.7 (5.2) 9 (1–20) 0.021
HADS-D, 0-21 6.2 (2.9) 6 (2–15) 8.0 (3.9) 8 (1–16) 0.007
MFI General Fatigue, 4-20 16.8 (3.0) 18 (9–20) 18.0 (2.4) 19 (12–20) 0.021
MFI Physical Fatigue, 4-20 16.2 (3.2) 17 (9–20) 18.0 (2.2) 19 (10–20) 0.001
MFI Reduced Activity, 4-20 14.5 (3.3) 14 (8–20) 16.5 (3.5) 17 (7–20) 0.001
MFI Reduced Motivation, 4-20 9.7 (3.1) 10 (5–16) 10.9 (4.3) 11 (4–19) 0.123
MFI Mental Fatigue, 4-20 13.5 (3.5) 14 (5–20) 15.1 (4.0) 16 (4–20) 0.006
Activity and participation
LTPAI, hours 4.5 (3.9) 3 (1–23) 5.4 (3.7) 4 (1–18) 0.088
FIQ physical function, 0-100 39.8 (20.5) 40 (3–90) 49.9 (23.1) 53 (0–100) 0.013
Health Status
FIQ total, 8-item, 0-100 58.7 (17.1) 63.5 (16–88) 69.3 (14.5) 71.3 (25–95) 0.001
SF-36 PCS, 0-100 32.6 (8.0) 33.3 (15–48) 27.0 (7.0) 27.6 (11–46) <0.001
SF-36 MCS, 0-100 41.6 (12.7) 43 (17–68) 36.8 (13.4) 37.5 (16–64) 0.043

P-values of ≤0.01 are considered significant and shown in bold type.

6MWT: six-minute walk test; FIQ: Fibromyalgia Impact Questionnaire; MFI: Multidimensional Fatigue Inventory; HADS-A and -D: Hospital Anxiety and Depression Scale for - anxiety and - depression; LTPAI: Leisure Time Physical Activity Instrument; SF-36 PCS and MCS: Short Form −36, Physical Component Scale and Mental Component Scale.

Missing values: Grippit (n = 1), FIQ Pain (n = 1), FIQ depression (n = 1), FIQ physical function (n = 2), LTPAI (n = 1), 8-item FIQ total (8) (n = 7), SF-36 (n = 3).

Palstam et al.

Palstam et al. BMC Public Health 2012 12:1076   doi:10.1186/1471-2458-12-1076

Open Data