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Table 1 Baseline characteristics of type 2 diabetic men between ever chewers and never-chewers of betel nut for all patients and for incident cases during the year 1992 to 1996

From: Betel nut chewing and incidence of newly diagnosed type 2 diabetes mellitus in Taiwan.

Variables Incident cases All cases
  Ever chewers Never-chewers Ever chewers Never-chewers
n 3,453 12,565 7,585 29,641
Age, years 56.9 (10.9) 61.2 (11.8)* 57.3 (11.0) 62.4 (11.9)*
Body mass index, kg/m2 24.9 (3.6) 24.5 (3.4)* 24.7 (3.5) 24.4 (3.4)*
Obesity I 44.7 40.3* 42.9 38.4*
Obesity II 8.1 5.6* 7.1 5.3*
Parental diabetes 31.3 26.5* 30.4 26.8*
  1. Data are expressed as mean (SD) or percentage.
  2. Obesity I and II represent body mass index ≥25 and ≥30 kg/m2, respectively.
  3. *P < 0.001 comparing ever chewers and never-chewers.