Table 3

Predictors of TDSP level in the multiple unordered logistic regression model

Characteristic	Low TDSP				High TDSP
Characteristic	β	OR	95% CI	P value	β	OR	95% CI	P value
Age (*≥75)
<40	1.994	7.344	2.463 to 21.894	<0.001	0.233	1.262	0.486 to 3.274	0.633
40–59	0.919	2.508	0.978 to 6.429	0.056	0.002	1.002	0.516 to 1.947	0.995
60–74	1.430	4.181	1.680 to 10.405	0.002	0.266	1.304	0.692 to 2.458	0.411
Education (*primary school)
Junior school	0.913	2.491	1.501 to 4.136	<0.001	0.112	1.053	1.053 to 0.361	0.924
Senior school	0.553	1.739	0.923 to 3.273	0.087	−0.089	0.915	0.512 to 1.635	0.764
College and above	0.319	1.376	0.484 to 3.914	0.550	0.052	1.119	0.716 to 1.747	0.621
Economics (*average)
Rich	0.649	1.913	1.083 to 3.379	0.025	0.420	1.521	0.867 to 2.670	0.144
Poor	−0.201	0.818	0.441 to 1.517	0.524	−0.453	0.636	0.363 to 1.114	0.114
Substitute medical decision maker (*oneself)
Parent/child	1.007	2.738	1.386 to 5.411	0.004	−0.387	0.679	0.316 to 1.460	0.322
Partner	0.709	2.032	1.071 to 3.856	0.030	0.135	1.145	0.613 to 2.139	0.672
Level of risk aversion (*low)
Strong	0.672	1.958	1.016 to 3.774	0.045	−0.09	0.914	0.482 to 1.731	0.782
Middle	0.135	1.144	0.683 to 1.917	0.609	−0.130	0.878	0.567 to 1.360	0.560
Experience of visiting PHC in the last 6 months (*yes)
No	0.741	2.098	1.316 to 3.346	0.002	0.138	1.148	0.773 to 1.705	0.494