Table 4: Logistic regression model on prevalence of self-reported diabetes among middle-aged and elderly adults.

Urban areasRural areas
Odds ratio95% CIOdds ratio95% CI

Gender (ref. female)0.6247(0.4451-0.8768)0.6012(0.4606-0.7847)
Age (ref. ≤ 55)
 56–651.0587(0.6690-1.3737)1.1315(0.9017-1.4200)
 >651.3701(0.9651-1.5449)1.2282(0.9756-1.3944)
Ethnicity (ref. Han)0.4621(0.2451-0.8714)0.1128(0.0608-0.2094)
Marital status (ref. divorced/single)0.4955(0.3428-0.7162)0.6804(0.5214-0.8878)
Education level (ref. less than primary school)
 Less than lower secondary1.0262(0.7194-1.4637)0.9310(0.7556-1.1471)
 Upper secondary, vocational training0.7955(0.5206-1.1156)1.0427(0.6780-1.6034)
Family size (ref. ≤ 2)0.7490(0.5656-0.9918)0.9001(0.7397-1.0952)
Household income per capita (log)0.8997(0.8325-1.1723)1.2604(1.1228-1.6047)
Type of labour (ref. government & institutions)
 Farmer0.8982(0.7285-1.1934)0.9268(0.7133-1.1941)
 Self-employed/employed1.4465(0.9669-2.1637)0.9015(0.5274-1.7012)
Never drunk (ref. history of drinking)0.9486(0.6996-1.6862)0.8158(0.6534-1.0186)
Never smoked (ref. history of smoking)0.5315(0.3749-0.7535)0.6520(0.5019-0.8471)
ADL (ref. without any ADL)1.2659(0.7874-2.0351)1.5412(1.1809-2.0115)
BMI (ref. ≤ 18.5)
 18.6–24.10.0753(0.0109-0.5184)0.5628(0.3089-1.0251)
 >24.11.4370(1.1749-1.8209)1.7662(1.4432-2.1615)
Self-reported health status0.7683(0.4993-0.9937)0.9706(0.8049-1.2060)
Having hypertension (ref. no)2.1442(1.6140-2.8485)2.9406(2.4204-3.5724)

Note: estimates were weighted using individual sampling weights and adjusted for household and individual responses. , , and .