Skip to main content

View full-text article in PMC

. 2019 Sep 12;29(1):289–301. doi: 10.1007/s11136-019-02292-9

Table 3.

Multiple linear regression analyses on TTO values, by type of TTO task, EQ VAS score, sociodemographic variables, and interviewer

Variable	Model 1		Model 2		Model 3		Model 4		Model 5		Model 6		Model 7
Variable	Estimate	p value	Estimate	p value	Estimate	p value	Estimate	p value	Estimate	p value	Estimate	p value	Estimate	p value
Intercept	0.717	0.000*	0.666	0.000*	0.676	0.000*	0.403	0.000*	0.334	0.003*	0.368	0.001*	0.297	0.014*
Type of TTO task^a	0.162	0.000*	0.168	0.000*	0.168	0.000*	0.163	0.000*	0.168	0.000*	0.173	0.000*	0.169	0.000*
Age group^b
45–64 years			0.061	0.249	0.057	0.302	0.045	0.402	0.034	0.526	0.046	0.408	0.039	0.481
65+ years			0.044	0.443	0.040	0.492	0.065	0.257	0.066	0.266	0.089	0.190	0.072	0.304
Sex^c					− 0.012	0.748	− 0.005	0.881	− 0.009	0.803	0.002	0.960	0.002	0.948
EQ VAS score							0.004	0.001*	0.004	0.001*	0.004	0.001*	0.004	0.000*
Educational level^d
Primary school									0.131	0.025*	0.150	0.010*	0.148	0.011*
Middle school									0.069	0.201	0.101	0.069	0.112	0.044*
High school									0.066	0.241	0.118	0.048	0.119	0.046*
College and above									0.031	0.665	0.071	0.332	0.078	0.292
Occupational status^e
Employed											− 0.105	0.031*	− 0.078	0.127
Retired											− 0.088	0.094	− 0.086	0.102
Interviewer^f
Interviewer 2													0.067	0.115
Interviewer 3													0.061	0.148
Observation	156		156		156		156		156		156		156
AIC	− 27.145		− 24.492		− 22.595		− 31.243		− 28.754		− 29.607		− 28.651
Adjusted R²	0.116		0.112		0.107		0.160		0.167		0.181		0.186
R²	0.122		0.129		0.130		0.187		0.215		0.239		0.254

TTO time trade-off, AIC akaike information criterion

*p < 0.05

^aReference group: iteration-based TTO task

^bReference group: 27–44 years

^cReference group: female

^dReference group: below primary school

^eReference group: nonemployed

^fReference group: interviewer 1