Table 4.

Factors influencing agreement between self−report and proxy-report

	Mobility		Looking after myself		Doing usual activities		Having pain or discomfort		Feeling worried, sad, or unhappy
	Estimate	P value	Estimate	P value	Estimate	P value	Estimate	P value	Estimate	P value
City
Tokyo	0.155	0.244	− 0.123	0.659	0.098	0.607	− 0.155	0.172	− 0.004	0.970
Osaka	− 0.152	0.236	− 0.194	0.479	− 0.160	0.366	0.013	0.907	− 0.076	0.499
Fukuoka	Reference
Gender
Female	− 0.038	0.680	− 0.408	0.051	− 0.112	0.383	− 0.098	0.220	0.108	0.173
Male	Reference
Household income
< JPY 5 millions	0.326	0.059	− 0.010	0.978	− 0.448	0.059	− 0.107	0.509	− 0.117	0.458
5 millions to < 10 million	0.240	0.101	0.250	0.443	0.375	0.094	− 0.193	0.171	− 0.132	0.339
≥ 10 millions	Reference
School
Elementary school	− 0.254	0.009**	− 1.094	0.003**	− 0.307	0.030*	− 0.164	0.046*	− 0.077	0.345
Junior high school	Reference
Number of parents
1	− 0.065	0.680	− 0.007	0.984	0.007	0.974	− 0.168	0.219	− 0.070	0.610
2	Reference

*P < 0.05, **P < 0.01