Research Article

Different Contributions of Dyslipidemia and Obesity to the Natural History of Type 2 Diabetes: 3-Year Cohort Study in China

Table 2

Baseline factors associated with progression to prediabetes and diabetes.

VariablesNGT to pre-DMNGT to DMPre-DM to DM
OR (95% CI) valueOR (95% CI) valueOR (95% CI) value

Female1.10 (0.90–1.36)0.3530.65 (0.45–0.93)0.0170.97 (0.73–1.30)0.847
Age (years)0.2320.3680.363
 <50111
 50–601.19 (0.97–1.46)0.0901.22 (0.83–1.80)0.3041.03 (0.73–1.45)0.872
 ≥601.09 (0.86–1.38)0.4851.36 (0.89–2.08)0.1511.24 (0.87–1.77)0.235
BMI (kg/m2)0.0110.1950.890
 <24111
 24–281.18 (0.97–1.44)0.0931.20 (0.84–1.72)0.3171.04 (0.77–1.41)0.793
 ≥281.45 (1.14–1.85)0.0031.51 (0·97–2.35)0.0721.09 (0.77–1.53)0.629
TC (mmol/L)<0.0010.0450.601
 <5.18111
 5.18–6.191.50 (1.24–1.83)<0.0011.25 (0.87–1.80)0.2211.15 (0.85–1.54)0.369
 ≥6.191.50 (1.15–1.97)0.0031.66 (1.05–2.61)0.0290.99 (0.70–1.39)0.943
TG (mmol/L)0.0710.0150.046
 <1.70111
 1.70–2.251.14 (0.85–1.53)0.3881.38 (0.84–2.26)0.2030.94 (0.62–1.40)0.745
 ≥2.251.40 (1.04–1.87)0.0251.97 (1.23–3.16)0.0051.36 (1.13–1.87)0.024
 mmHg1.26 (1.05–1.51)0.0131.91 (1.39–2.64)<0.0011.33 (1.03–1.75)0.029
Positive FHD1.16 (0.59–2.30)0.6660.78 (0.18–3.41)0.7410.43 (0.14–1.30)0.136
Drinking1.04 (0.82–1.31)0.7760.99 (0.65–1.50)0.9560.79 (0.55–1.11)0.175
Smoking1.04 (0.78–1.39)0.8071.18 (0.73–1.90)0.5031.43 (0.95–2.15)0.089
Physical inactive1.04 (0.88–1.24)0.6391.16 (0.84–1.59)0.3661.12 (0.86–1.45)0.410
FPG (mmol/L)1.62 (1.28–2.06)<0.0011.78 (1.13–2.76)0.012
Categories of pre-DM0.009
 i-IGT1
 i-IFG1.41 (1.05–1.90)0.022
 IFG-IGT1.63 (1.17–2.29)0.004

Included in the model as a continuous variable. OR (95% CI): odds ratios and 95% confidence intervals calculated in the multivariate logistic model. Variables in the model: sex, age, family history of diabetes, smoking, drinking, physical inactive, SBP, BMI, TC, TG, FPG (for individuals with NGT at Baseline), or categories of pre-DM (for individuals with pre-DM at Baseline). NGT: normal glucose tolerance; Pre-DM: prediabetes; DM: diabetes mellitus; BMI: body mass index; TC: total cholesterol; TG: triglyceride; SBP: systolic blood pressure; FHD: family history of diabetes; FPG: fasting plasma glucose; i-IGT: isolated impaired glucose tolerance; i-IFG: isolated impaired fasting glucose; IFG-IGT: combined status of IFG and IGT.