Table 3

Health Assessment Questionnaire: differences between females and males by country


Female,
mean (SD)
Male,
mean (SD)
Difference,
mean (95% CI)
Effect sizea
(95% CI)

Netherlands
0.89 (0.69)
0.62 (0.61)
0.27 (0.12 to 0.43)
0.42 (0.16 to 0.62)
Finland
0.84 (0.76)
0.60 (0.64)
0.24 (0.06 to 0.42)
0.33 (0.07 to 0.56)
USA
0.81 (0.68)
0.52 (0.67)
0.29 (0.12 to 0.46)
0.43 (0.16 to 0.67)
Greece
0.61 (0.71)
0.29 (0.45)
0.32 (0.15 to 0.50)
0.49 (0.29 to 0.68)
Denmark
0.85 (0.75)
0.59 (0.66)
0.26 (0.07 to 0.46)
0.36 (0.09 to 0.60)
Spain
1.10 (0.84)
0.75 (0.69)
0.35 (0.14 to 0.56)
0.44 (0.21 to 0.70)
France
0.99 (0.69)
0.67 (0.62)
0.32 (0.16 to 0.48)
0.48 (0.24 to 0.74)
Sweden
0.97 (0.65)
0.82 (0.63)
0.16 (-0.02 to 0.33)
0.25 (-0.02 to 0.54)
UK
1.06 (0.74)
0.80 (0.75)
0.26 (-0.04 to 0.55)
0.35 (-0.08 to 0.78)
Ireland
0.98 (0.71)
0.79 (0.75)
0.19 (-0.01 to 0.38)
0.26 (-0.04 to 0.55)
Canada
1.04 (0.72)
1.07 (0.73)
-0.03 (-0.40 to 0.34)
-0.04 (-0.58 to 0.44)
Turkey
1.01 (0.77)
0.70 (0.71)
0.31 (0.07 to 0.56)
0.41 (0.11 to 0.73)
Brazil
0.84 (0.74)
0.68 (0.72)
0.15 (-0.28 to 0.59)
0.21 (-0.45 to 0.72)
UAE
0.74 (0.63)
0.42 (0.46)
0.32 (0.07 to 0.56)
0.53 (0.19 to 0.81)
Germany
0.94 (0.70)
0.74 (0.65)
0.20 (-0.04 to 0.45)
0.29 (-0.04 to 0.65)
Italy
1.23 (0.82)
0.72 (0.71)
0.51 (0.30 to 0.71)
0.64 (0.40 to 0.89)
Estonia
1.18 (0.74)
1.08 (0.76)
0.11 (-0.22 to 0.43)
0.14 (-0.29 to 0.59)
Russia
1.24 (0.73)
1.33 (0.59)
-0.09 (-0.56 to 0.37)
-0.13 (-0.77 to 0.43)
Hungary
1.45 (0.66)
0.97 (0.73)
0.48 (0.15 to 0.82)
0.72 (0.08 to 1.23)
Latvia
1.52 (0.66)
1.14 (0.64)
0.38 (0.01 to 0.74)
0.58 (0.03 to 1.16)
Poland
1.40 (0.79)
1.27 (0.68)
0.14 (-0.04 to 0.31)
0.17 (-0.04 to 0.38)
Argentina
1.18 (0.86)
0.97 (0.66)
0.22 (-0.14 to 0.57)
0.26 (-0.11 to 0.58)
Lithuania
1.41 (0.67)
1.21 (0.59)
0.20 (0.00 to 0.40)
0.31 (0.04 to 0.59)
Serbia
1.63 (0.71)
1.24 (0.80)
0.40 (-0.04 to 0.84)
0.55 (-0.24 to 1.18)
Kosovo
1.58 (0.53)
1.34 (0.68)
0.25 (-0.06 to 0.55)
0.44 (-0.13 to 1.15)

All
1.09 (0.78)
0.76 (0.70)
0.33 (0.28 to 0.38)
0.43 (0.37 to 0.49)

aCohen's D with bias-corrected 95% confidence intervals (CIs) from bootstrapping (1,000 replications). SD, standard deviation; UAE, United Arab Emirates.

Sokka et al. Arthritis Research & Therapy 2009 11:R7   doi:10.1186/ar2591

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