Table 4. (A) Influence of various factors on overall QoL (rated by the patient). (B) Influence of the same factors on Performance status (rated by the physician or research assistant).

	P-valuea
Factor	Univariate analysis	Multivariate analysis
(A) Status of disease	0.017	0.0023
Ethnic group
Chinese vs English	0.058	0.10
Italian vs English	0.0001	0.006
Spanish vs English	0.10	0.19
University education	0.0014	0.05
Age	0.067	0.66
Gender	0.32	0.17
Marital status	0.71	0.57
(B) Status of disease	0.008	0.002
Ethnic group
Chinese vs English	0.048	0.04
Italian vs English	0.024	0.21
Spanish vs English	0.01	0.07
University education	0.0687	0.14
Age	0.3278	0.78
Gender	0.0689	0.18
Marital status	0.13	0.46

^aSince P-values are not corrected for multiplicity, the level of significance is set at P<0.01.