Figure 3.

Hazard ratio of diabetes (panel A: men and B: women) and impaired fasting glucose (panel C: men and D: women) according to the joint classification of body mass index and waist circumference in men and women, adjusting for age (y), education (illiteracy/primary, high school or college, or above), working environment (working on the ground, underground, not exposure to dust, or underground, exposure to dust), family history of diabetes (yes/no), smoking (never, past smoker, current smoker 1–19 cigarettes/d, or current smoker 20+ cigarettes/d), alcohol drinking (never, past drinker, current drinker <1 time/d, or current drinker 1+ times/d), hypertension (yes/no), and fasting plasma glucose (mmol/L).