. 2017 Oct 6;11:1729–1736. doi: 10.2147/PPA.S139471

Table 2.

Willingness to pay for diabetes medication by educational attainment

Medication attribute	Medication level change	HS diploma or less (N=231)		Some college (N=156)		College or more (N=165)		p-value_HS=SC^a	p-value_SC=CO^a	p-value_HS=CO^a
Medication attribute	Medication level change	WTP	SE	WTP	SE	WTP	SE	p-value_HS=SC^a	p-value_SC=CO^a	p-value_HS=CO^a
A1c decrease	1%	17.56	3.55	28.47	5.53	58.84	10.60	0.08	0.01^**	<0.01^**
Stable glucose	4 days per week	23.12	3.88	29.82	5.06	35.00	8.17	0.29	0.59	0.15
Nausea	30 minutes per day	−14.86	1.92	−19.25	2.83	−24.80	4.74	0.18	0.32	0.03^*
Low glucose events	None	0 (ref)		0 (ref)		0 (ref)
	Day	−10.27	2.47	−9.46	3.49	−9.41	4.73	0.85	0.99	0.09
	Day/night	−16.62	2.88	−19.95	4.00	−31.65	7.51	0.49	0.18	0.04^*
Treatment burden	One pill per day	0 (ref)		0 (ref)		0 (ref)
	Two pills per day	−5.22	2.89	−5.50	3.43	−16.22	4.47	0.95	0.06	0.03^*
	One pill and one injection per day	−30.54	4.11	−38.25	6.10	−47.49	9.93	0.28	0.43	0.08

Notes:

Independent t-test for equivalence between WTP of educational groups.

Significant at the 0.05 level.

^**

Significant at the 0.01 level.

Abbreviations: HS, high school; SC, some college; CO, college; WTP, willingness to pay; SE, standard error; ref, reference.