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Table 1 Baseline characteristics of areca nut chewers and controls

From: Areca nut chewing and systemic inflammation: evidence of a common pathway for systemic diseases

Characteristics Number (n) Areca nut chewers, n (%) Controls, n (%) p value
Study participants (n) 1112 556 556  
Age at screening, mean (SD) 1112 25.6 (5.6) 25.7 (5.6) 0.734
Age at screening (years)     0.641
Age 16-20 203 98 (17.6) 105 (18.9)  
Age 21-25 425 211 (38.0) 214 (38.5)  
Age 26-30 237 127 (22.8) 110 (19.8)  
Age 31-35 247 120 (21.6) 127 (22.8)  
Body Mass Index, mean (SD) 1112 25.7 (4.0) 26.0 (4.2) 0.166
Body Mass Index (kg/m2)     0.492
Desirable < 23 317 162 (29.1) 155 (27.9)  
Overweight 23–27.5 473 242 (43.5) 231 (41.6)  
Obese > 27.5 322 152 (27.3) 170 (30.6)  
Education (years)     < 0.001
< 10 years 167 66 (11.9) 101 (18.2)  
10 - 12 years 497 278 (50.0) 219 (39.4)  
> 12 years 448 212 (38.1) 236 (42.5)  
C - reactive protein (mg/dl), mean (SD) 1112 6.1 (3.8) 3.5 (3.6) < 0.001
Inflammation     < 0.001
Absent (CRP ≤ 10 mg/dl) 999 472 (84.9) 527 (94.8)  
Present (CRP > 10 mg/dl) 113 84 (15.1) 29 (5.2)