Table 3.
Measure | Unadjusted difference (90 % CI)a | Adjusted difference (90 % CI)a | ||||
---|---|---|---|---|---|---|
Chinese vs. Englishb | Malay vs. Englishb | Malay vs. Chinesec | Chinese vs. Englishb | Malay vs. Englishb | Malay vs. Chinesec | |
EQ-5D-5L index score | −0.029 (−0.061 to 0.004) | −0.024 (−0.055 to 0.007) | 0.004 (−0.033 to 0.042) | 0.014 (−0.029 to 0.058)d | −0.009 (−0.050 to 0.031)d | −0.044 (−0.094 to 0.006)e |
EQ-VAS score | 2.549 (−0.064 to 5.163) | 6.393 (3.850 to 8.936) | 3.844 (1.146 to 6.541) | 6.176 (2.615 to 9.738)d | 7.572 (4.205 to 10.939)e | 0.603 (−2.949 to 4.155)d |
CI confidence interval; EQ-5D-5L 5-level EQ-5D; EQ-VAS, EQ-visual analog scale
aLinear regression was used; difference = the 1st group – the 2nd group (reference group)
bEnglish version was the reference group
cChinese version was the reference group
dEquivalence was demonstrated
eEquivalence cannot be determined