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Table 3 Main predictors of the use of E-mail

From: Information and communication technologies for approaching smokers: a descriptive study in primary healthcare

 

Use of E-mail

 

Low frequency of use

Mid/high frequency of use

 

OR1

(95% CI)

P-value

OR2

(95% CI)

P-value

CRUDE OR

      

Gender

      

Male

1.00

 

<0.001

1.00

 

0.169

Female

0.65

(0.53-0.81)

 

0.822

(0.62-1.09)

 

Social class

      

Disadventaged-M

1.00

 

<0.001

1.00

 

<0.001

Most favored_NM

1.93

(1.37-2.72)

 

6.48

(5.02-8.37)

 

Educational level

      

<Secondary

1.00

 

<0.001

1.00

 

<0.001

≥Secondary

2.56

(1.89-3.46)

 

6.97

(5.52-8.81)

 

Age Group

      

>65

1.00

  

1.00

  

46-65

4.95

(2.24-10.94)

<0.001

5.16

(3.03-8.80)

<0.001

36-45

12.4

(5.45-28.51)

<0.001

19.36

(11.07-34.06)

<0.001

18-35

34.0

(14.59-79.40)

<0.001

51.86

(28.39-94.71)

<0.001

Fagerström test

      

High

1.00

  

1.00

  

Medium

1.46

(0.87-2.46)

0.152

2.33

(1.55-3.51)

<0.001

Low

1.47

(0.88-2.45)

0.144

2.74

(1.83-4.09)

<0.001

ADJUSTED OR*

      

Gender

      

Male

1.00

 

0.613

1.00

 

0.300

Female

0.926

(0.66-1.27)

 

0.86

(0.65-1.14)

 

Social class

      

Disadventaged-M

1.00

 

0.019

1.00

 

<0.001

Most favored_NM

1.61

(1.08-2.34)

 

4.293

(3.11-5.93)

 

Educational level

      

<Secondary

1.00

 

<0.001

1.00

 

<0.001

≥Secondary

2.22

(1.56-3.15)

 

4.08

(3.03-5.48)

 

Age Group

      

>65

1.00

  

1.00

  

46-65

4.64

(2.06-10.45)

<0.001

5.46

(2.97-10.04)

<0.001

36-45

11.9

(5.10-28.11)

<0.001

21.9

(11.4-41.9)

<0.001

18-35

33.4

(13.97-80.25)

<0.001

60.0

(30.1-95.3)

<0.001

Fagerström test

      

High

1.00

  

1.00

  

Medium

1.25

(0.71-2.19)

0.436

1.92

(1.15-3.20)

0.013

Low

1.24

(0.71-2.17)

0.448

2.03

(1.22-3.38)

0.006

  1. M = Manual; NM = Non Manual.
  2. Low frequency of use: ≤1 time per week; Mid/high frequency of use: >1 time per week.
  3. OR: Odd Ratio; OR = 1 denotes reference category.
  4. OR1: Odds Ratio of low frequency use vs. no use.
  5. OR2: Odds Ratio of mid/high frequency use vs. no use.
  6. Adjusted OR*: OR adjusted for potential confounders: in the case of gender by age, social class and level of education. Fagerström test was adjusted for all other variables.
  7. P-value derived from the Wald test.