Table 1 Baseline characteristics of study participants

From: The effect of the dietary supplement, Chitosan, on body weight: a randomised controlled trial in 250 overweight and obese adults

Characteristic Chitosan group (n=125) Placebo group (n=125)
Age, mean (s.d.) (y) 47 (11.7) 48 (11.5)
Gender, N (%)   
 Men 22 (17.6) 22 (17.6)
 Women 103 (82.4) 103 (82.4)
Race, N (%)   
 Caucasian 104 (83.2) 108 (86.4)
 Indian 3 (2.4) 4 (3.2)
 Polynesian 16 (12.8) 13 (10.4)
 East Asian 1 (0.8) 0 (0)
 African 1 (0.8) 0 (0)
Current cigarette smoker, N (%) 13 (10.4) 10 (8.0)
Current alcohol drinker, N (%) 63 (50.4) 59 (47.2)
Body weight, mean (s.d.) kg 95.9 (15.2) 98.9 (17.1)
Body mass index, mean (s.d.) kg/m2 34.8 (5.1) 36.0 (5.1)
Waist circumference, mean (s.d.) cm 99.6 (11.9) 101.3 (13.7)
Body fat, mean (s.d.) % 37.8 (6.8) 38.9 (6.5)
Systolic blood pressure, mean (s.d.) (mmHg) 122.6 (17.7) 123.8 (18.9)
Diastolic blood pressure, mean (s.d.) (mmHg) 69.4 (9.4) 70.1 (9.7)
Total cholesterol, mean (s.d.) (mmol/l) 5.6 (1.0) 5.4 (0.9)
LDL cholesterol, mean (s.d.) (mmol/l) 3.6 (0.8) 3.3 (0.8)
HDL cholesterol, mean (s.d.) (mmol/l) 1.3 (0.3) 1.4 (0.4)
Total:HDL cholesterol ratio, mean (s.d.) 4.6 (1.2) 4.2 (1.2)
Triglycerides, mean (s.d.) (mmol/l) 1.6 (0.8) 1.5 (0.9)
Glucose, mean (s.d.) (mmol/l) 5.3 (1.3) 5.4 (1.4)
Vitamin A, mean (s.d.) (μmol/l) 2.0 (0.5) 1.9 (0.5)
Beta-carotene, mean (s.d.) (μmol/l) 0.7 (0.5) 0.6 (0.5)
25-OH Vitamin D, mean (s.d.) (nmol/l) 64.9 (25.2) 59.6 (19.5)
Vitamin E, mean (s.d.) (μg/l) 31.7 (8.5) 31.2 (8.1)
Prothrombin ratio, mean (s.d.) 1.0 (0.2) 1.0 (0.1)
Faecal fat, mean (s.d.) (mmol/day) 12.6 (8.0) 14.3 (6.8)
SF-36—physical component subscale (0–100) 47.9 (6.2) 47.6 (6.2)
SF-36—mental component subscale (0–100) 46.7 (7.2) 47.7 (7.2)