Table 5.

Regression of log WTP in situation 1 (new administration), n=177

Parameter	Coefficient	95% CI		P−value
Constant	4.38755	2.914982	5.860118	0.000*
Age	−0.0367831	−0.2566623	0.183096	0.742
Female	−0.1572513	−0.5486239	0.2341213	0.429
University education	0.4465399	0.0560744	0.8370054	0.025*
Income per CU	0.0000116	−4.57×10−6	0.0000278	0.158
Number of extra doses	−0.0062826	−0.1714674	0.1589021	0.940
Number of tablets per day	0.0344342	0.0040903	0.0647782	0.026*
Receive treatment assistance	0.1370892	−0.3722956	0.646474	0.596
Number of side effects	−0.029165	−0.1655115	0.1071815	0.673
Time with symptoms per day	0.1498107	0.138144	0.285807	0.031*
Definitely sure on WTP	0.009582	−0.3597373	0.3789013	0.959
Using entacapone	−0.0667532	−0.4645906	0.3310842	0.741

Note:

^*Statistically significant.

Abbreviations: CI, confidence interval; CU, consumption unit; WTP, willingness to pay.