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

Table 1 Characteristics of the 400 participants

Sample characteristic	Mean (SD) or M (Q1, Q3) or n (%)
Age, yr	57.5 ± 10.9
Duration of diabetes, yr	6.5 (2.5, 12.0)
Sex
Male	266 (66.5)
Female	134 (33.5)
Type of medical insurance
UEBMI	195 (48.8)
URBMI	76 (19.0)
NRCMI	129 (32.2)
Ethnicity
Han	178 (44.5)
Hui	128 (32.0)
Other	94 (23.5)
Marital status
Married	367 (91.8)
Unmarried	33 (8.2)
Level of education
No formal school	91 (22.8)
Primary school	64 (16.0)
Junior high school	72 (18.0)
Senior high school	75 (18.7)
College and above	98 (24.5)
Annual household income, yuan per year (1 yuan approximately equal to 0.155 USD)
< 35000	122 (30.5)
35000-75000	113 (28.2)
> 75000	122 (30.5)
Unknown	43 (10.8)

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