Skip to main content

Table 1 General characteristics of the study participants1

From: The effects of crocin on psychological parameters in patients under methadone maintenance treatment: a randomized clinical trial

  Placebo group
(n = 25)
Crocin group
(n = 25)
P 2
Age (y) 41.4 ± 8.8 40.1 ± 9.3 0.63
Height (cm) 171.2 ± 7.5 171.6 ± 8.4 0.84
Weight at study baseline (kg) 70.1 ± 8.5 68.9 ± 12.1 0.68
Weight at the end-of-trial (kg) 69.7 ± 8.6 69.0 ± 11.7 0.81
Weight change (kg) −0.4 ± 1.6 0.08 ± 1.4 0.23
BMI at study baseline (kg/m2) 23.9 ± 2.9 23.3 ± 3.6 0.51
BMI at the end-of-trial (kg/m2) 23.8 ± 3.0 23.4 ± 3.6 0.66
BMI change (kg/m2) −0.1 ± 0.5 0.05 ± 0.5 0.19
Education (%)
 Illiterate 5 (20) 7 (28)  
 Elementary 5 (20) 7 (28)  
 Intermediate 12 (48) 10 (40) 0.58†
 Diploma 2 (8) 0 (0)  
 High educated 1 (4) 1 (4)  
Marital status (%)
 Single 8 (32) 5 (20)  
 Married 5 (20) 8 (32) 0.50†
 Widow/Divorced 12 (48) 12 (48)  
Job (%)
 Unemployed 16 (64) 18 (72)  
 Employed 2 (8) 1 (4) 0.76†
 Others 7 (28) 6 (24)  
Use of other drugs (%)
 None 20 (80) 19 (76)  
 Benzodiazepine 2 (8) 3 (12) 0.89
 Antidepressants (SSRIs) 3 (12) 3 (12)  
 Methadone dose (mL/d) 19.2 ± 6.2 17.2 ± 5.9 0.25
 Duration of MMT (y) 6.2 ± 2.6 5.5 ± 1.9 0.33
  1. aData are mean ± SDs
  2. bObtained from independent t-test
  3. cObtained from Pearson Chi-square test
  4. SSRIs selective serotonin reuptake inhibitors