Table 2 Mean (95% CI) Oral Health Impact Profile (OHIP-14) severity scores for study subjects in Germany (2001), Finland (2000), UK (1998) and Australia (2002)
Germany (n = 1454)Finland (n = 5078)UK (n = 4064)Australia (n = 2,292)
Mean (95% CI)p ValueMean (95% CI)p ValueMean (95% CI)p ValueMean (95% CI)p Value
Total4.5 (3.7 to 5.3)3.5 (3.3 to 3.7)4.9 (4.7 to 5.1)7.0 (6.6, 7.5)
Sex0.0810.0030.0030.281
    Female4.2 (3.4 to 4.9)3.3 (3.0 to 3.5)5.3 (4.9 to 5.6)7.3 (6.6 to 7.9)
    Male4.9 (3.9 to 5.9)3.8 (3.5 to 4.1)4.6 (4.3 to 4.9)6.8 (6.1 to 7.4)
Age group0.059<0.001<0.0010.455
    30–44 years3.8 (2.8 to 4.8)2.8 (2.5 to 3.1)5.0 (4.7 to 5.4)7.1 (6.3 to 7.9)
    45–59 years4.9 (3.8 to 5.9)3.7 (3.4 to 4.0)5.6 (5.1 to 6.0)7.3 (6.5 to 8.0)
    60+ years5.0 (4.0 to 6.0)4.5 (4.1 to 5.0)3.8 (3.3 to 4.2)6.6 (5.9 to 7.3)
Household income0.197<0.0010.029<0.001
    Quartile 1 (low)4.9 (4.0 to 5.9)5.0 (4.5 to 5.4)5.7 (5.2 to 6.3)8.6 (7.8 to 9.3)
    Quartile 25.0 (3.7 to 6.2)3.7 (3.3 to 4.1)5.0 (4.6 to 5.5)7.9 (6.8 to 9.0)
    Quartile 33.9 (3.0 to 4.7)3.0 (2.7 to 3.4)4.7 (4.3 to 5.2)6.6 (5.5 to 7.7)
    Quartile 4 (high)5.1 (2.7 to 7.5)2.4 (2.1 to 2.7)4.7 (4.3 to 5.1)5.0 (4.2 to 5.8)