Table 2. Comparison of adherence.

	Control	Positive incentive	Loss aversion	Overall p	Positive incentive vs. control p	Loss aversion vs. control p
Primary outcome: overall % adherence	57.31 (5.12)	58.48 (4.60)	69.08 (3.75)	0.099 a	N/A	N/A
Average $ paid	25.00 (0.00) b, c Median (IQR): 25.00 (25–25)	38.13 (5.22) d Median (IQR): 30.80 (15.6–50.6)	50.00 (4.54) d Median (IQR): 50.00 (25–75)	<0.001 e	0.022	<0.001

Abbreviations: IQR, interquartile range; N/A, not available.

Note: Data are expressed as mean (standard error) or median (IQR).

^ap -Value for Welch's test as variable violated assumption of homogeneity of variance.

^bDiffers from positive incentive.

^cDiffers from loss aversion.

^dDiffers from control.

^ep -Value is for Kruskal–Wallis test.