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Table 1 Descriptive and nutritional related characteristics of the study sample in relation to smoking status.

From: Smoking status in relation to serum folate and dietary vitamin intake

  

Smokers

% (n)

Ex/Non smokers

% (n)

P-value

Gender

Male

48.2 (109)

51.8 (117)

<0.001 1

 

Female

13.3 (37)

86.7 (241)

 

Age in years

18 – 39

39.7 (48)

60.3 (73)

<0.001

 

40 – 59

30.6 (81)

69.4 (184)

 
 

60 – 80

13.6 (16)

86.4 (102)

 

Fasting in days per year 3

0

32.2 (47)

19.7 (70)

<0.001

 

1 – 100

58.2 (85)

48.3 (172)

 
 

101 – 180

8.3 (12)

32.0 (114)

 
  

Mean ± SD (n)

Mean ± SD (n)

 

Body Mass Index 2

 

29.6 ± 0.4 (144)

30.2 ± 0.3 (354)

0.286

Energy intake in kcal 2

 

2121 ± 57 (142)

2075 ± 35 (353)

0.507

Physical Activity Level 2

 

2.40 ± 0.06 (144)

2.34 ± 0.04 (354)

0.399

  1. 1. Values are % (n). Chi-square test was used χ2.
  2. 2. Values are Mean ± standard error (n). Analysis of Covariance: gender, age and fasting days were used as covariates.
  3. 3. Fasting days per year.