Examining the association between delay discounting, delay aversion and physical activity in Chinese adults with type-2 diabetes mellitus

Table 3 The multiple linear regression analysis results regarding delay aversion, HbA1C, and different intensity levels of physical activity (Met-hour/week).

Sample characteristic	HbA1c β (95%CI)	Walking activity β (95%CI)	Moderate physical activity β (95%CI)	Vigorous physical activity β (95%CI)
Delay aversion	-0.002 (-0.083, 0.078)	-0.724 (-2.037, 0.590)	-3.527 (-5.578, -1.476)b	-0.334 (-1.629, 0.960)
Age, yr	-0.025 (-0.047, -0.003)a	-0.098 (-0.462, 0.266)	-0.885 (-1.454, -0.317)b	-0.504 (-0.863, -0.145)b
Duration of diabetes, yr	-0.003 (-0.035, 0.028)	-0.037 (-0.548, 0.473)	0.451 (-0.347, 1.248)	-0.135 (-0.638, 0.369)
Sex
Male	Reference	Reference	Reference	Reference
Female	-0.122 (-0.598, 0.354)	0.582 (-7.213, 8.377)	4.213 (-7.958, 16.383)	-6.686 (-14.367, 0.994)
Medical insurance type
UEBMI	Reference	Reference	Reference	Reference
URBMI	0.264 (-0.479, 1.008)	-7.588 (-19.760, 4.584)	15.757 (-3.247, 34.762)	8.954 (-3.039, 20.948)
NRCMI	0.849 (0.126, 1.573)a	2.121 (-9.720, 13.962)	20.374 (1.886, 38.861)a	11.273 (-0.395, 22.940)
Ethnicity
Han	Reference	Reference	Reference	Reference
Hui	-0.259 (-0.763, 0.245)	3.528 (-4.728, 11.784)	0.622 (-12.268, 13.512)	-0.318 (-8.453, 7.817)
Other	-0.458 (-1.019, 0.103)	-4.872 (-14.050, 4.307)	-1.8 (-16.131, 12.531)	7.06 (-1.985, 16.104)
Marital status
Married	Reference	Reference	Reference	Reference
Unmarried	0.389 (-0.396, 1.174)	-4.433 (-17.281, 8.416)	14.621 (-5.439, 34.682)	-3.944 (-16.605, 8.716)
Level of education	-0.088 (-0.305, 0.128)	3.639 (0.102, 7.176)a	4.625 (-0.898, 10.148)	2.422 (-1.063, 5.908)
Annual household income, yuan per year
< 35000	Reference	Reference	Reference	Reference
35000-75000	-0.251 (-0.827, 0.326)	0.036 (-9.403, 9.475)	14.569 (-0.168, 29.306)	0.706 (-8.595, 10.006)
> 75000	-0.237 (-0.875, 0.402)	-0.291 (-10.751, 10.169)	-6.559 (-22.890, 9.772)	-5.74 (-16.046, 4.567)
Unknown	0.24 (-0.500, 0.979)	-1.77 (-13.875, 10.334)	1.584 (-17.315, 20.483)	-7.815 (-19.743, 4.112)
Constant	11.114 (8.726, 13.503)	46.666 (7.557, 85.776)	100.185 (39.122, 161.247)	44.574 (6.038, 83.110)

^aP < 0.05.

^bP < 0.01.

β-Standardized regression coefficient. UEBMI: Urban employee-based basic medical insurance; URBMI: Urban resident-based basic medical insurance; NRCMI: New rural cooperative medical insurance.