BioMed Research International

Research Article

The Association between Dietary Intake of Folate and Physical Activity with Psychological Dimensions of Depressive Symptoms among Students from Iran

Table 1

Characteristics of the study subjects based on overall CES-D score and vitamins B.
VariablesDepression score  
(Mean ± SD)		 *Vitamin B6  
(Mean ± SD)		 **Vitamin B9  
(Mean ± SD)		 **Vitamin B12  
(Mean ± SD)
Age groups  0.010 0.309 0.030 0.484
 ≤35 ( )        
 >35 ( )        
Gender  0.031 0.008 0.004 0.178
 Female ( )        
 Male ( )        
Education 0.001 0.068 0.031 0.295
 <20 y ( )        
 ≥20 y ( )        
Marital status  0.289 0.323 0.111 0.855
 Married ( )        
 Single ( )        
Current smoking  0.700 0.875 0.711 0.235
 Yes ( )        
 No ( )        
Former smoking  0.338 0.356 0.327 0.860
 Yes ( )        
 No ( )        
BMI 0.084 0.347 0.919 0.635
 ≤25 ( )        
 >25 ( )        
Monthly expenses ($) 0.862 0.014 0.009 0.020
 <800 ( )        
 ≥800 ( )        
Close friends  0.077 0.117 0.122 0.263
 <5 ( )        
 ≥5 ( )        
Physical activity  ≤0.001 0.485 0.969 0.206
 ≥Moderate ( )        
 Low ( )        
Living in campus  0.155 0.920 0.467 0.070
 Yes ( )        
 No ( )        
mg/day; ** g/day.