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Table 3 Factors affecting Internet use in 2005–2007–2012 and in general*

From: Trends in the use of the Internet for health purposes in Poland

Characteristics

2005

2005

 

2007

2007

 

2012

2012

 

TOTAL

TOTAL

 

IU % (N = 545)

INU% (N = 482)

P VALUE ES*** 95%CI

IU% (N = 667)

INU% (N = 333)

P VALUE ES*** 95%CI

IU% (N = 744)

INU% (N = 256)

P VALUE ES*** 95%CI

IU% (N = 1956)

INU% (N = 1071)

P VALUE ES*** 95%CI

Sex:

 

Men

56.0

39.2

<0.001

54.1

36.9

<0.001

50.4

38.9

0.002

53.2

38.4

<0.001

Women

44.0

60.8

0.17

45.9

63.1

0.16

49.6

61.1

0.10

46.8

61.6

0.14

  

0.1 0.23

  

0.1 0.22

  

0.04 0.16

  

0.11 0.18

Age (years)

 

Mean

33.63

52.24

<0.001

35.81

55.99

<0.001

39.59

64.58

<0.001

36.64

56.32

<0.001

±SD

±13.88

±15.62

 

±14.6

±14.12

 

±14.57

±12.86

 

±14.5

±15.33

 

Median

30

54

-20

33

57

-22

38

64.5

-26

35

57

-21

Min-max

15-79

15-80

-22 -18

15-80

15-80

-24 -19

18-91

21-94

-28 -24

15-91

15-94

-22 -20

Education**:

 

A level

23.1

53.3

<0.001

22.2

55.3

<0.001

26.1

62.3

<0.001

23.9

56.1

<0.001

B level

43.9

37.3

0.36

53.5

39.0

0.35

36.7

27.8

0.35

44.4

35.6

0.35

C level

33.0

9.3

0.29 0.42

24.3

5.7

0.29 0.41

37.2

9.9

0.28 0.41

31.6

8.4

0.32 0.39

Employment status

 

Paid work (including self-employment) and/or in education

80.7

31.3

<0.001

79.9

23.0

<0.001

69.9

17.5

<0.001

76.3

25.5

<0.001

Retired/housework/care for children or other persons/unemployed and others

17.4

56.0

0.50

18.0

70.1

0.55

28.2

74.1

0.46

21.7

64.7

0.50

Permanently sick or disabled

1.8

12.7

0.44 0.56

2.1

6.9

0.49 0.61

1.9

8.4

0.4 0.52

1.9

9.9

0.46 0.53

Residence: place

            

Big cities (above 100000 residents)

36.7

24.3

<0.001

37.3

24.2

<0.001

34.8

23.6

<0.001

36.2

24.1

<0.001

Minor cities (below 100000 residents)

32.8

33.6

0.15

31.5

26.6

0.18

31 .0

28.0

0.13

31.7

30.1

0.15

Villages/rural area

30.5

42.1

0.08 0.21

31.2

49.2

0.12 0.24

34.2

48.4

0.07 0.19

32.1

45.8

0.11 0.18

Health status

            

Very good/good

73.2

35.7

<0.001

73.0

31.4

<0.001

67.1

29.4

<0.001

70.8

32.9

<0.001

Fair

23.5

51.2

0.38

23.2

55.3

0.40

28.8

53.6

0.35

25.4

53.1

0.37

Poor/very poor

3.3

13.1

0.32 0.44

3.7

13.3

0.34 0.46

4.2

17.1

0.29 0.41

3.8

14.1

0.34 0.41

Frequency of doctor`s visits (during last 12 months)

 

Mean

4.58

7.29

<0.001

4.80

6.57

<0.001

5.46

9.72

<0.001

4.99

7.64

<0.001

±SD

±5.32

±8.39

 

±6.38

±7.46

 

±9.48

±15.64

 

±7.49

±10.41

 

Median

3

4

-1

3

4

-1

3

6

-2

3

5

-1

Min-max

0-30

0-50

-2 -1

0-50

0-50

-2 0

0-99

0-99

-3 -1

0-99

0-99

-2 -1

Chronic diseases/disability

 

Yes, I personally

6.2

14.3

<0.001

5.0

13.6

<0.001

9.3

19.6

<0.001

7.0

15.3

<0.001

Yes, a person close to me

29.0

24.5

0.14

27.9

32.9

0.17

35.5

24.8

0.15

31.1

27.2

0.13

No

64.8

61.2

0.07 0.19

67.1

53.5

0.11 0.23

55.2

55.6

0.09 0.21

61.9

57.5

0.10 0.17

Mobile phone use

 

Yes

NO DATA

96.1

69.0

<0.001

96.1

69.0

<0.001

No

3.9

31.0

0.38

3.9

31.0

0.38

  

0.31 0.44

  

0.31 0.44

  1. *Significant differences between groups are bold.
  2. **The item related to the education of the respondents included eleven options, from basic to university level, specific to the Polish education system. The eleven levels were collapsed into three categories according to the International Standard Classification of Education (ISCED): (A) education level lower than upper secondary; (B) education level including upper secondary to post-secondary non-tertiary; and (C) education level covering all levels according to ISCED higher than post-secondary non-tertiary.
  3. ***If p ≤ 0.05 effect size (ES) with 95% CI is provided: difference in location for quantitative variables and Cramer’s V for qualitative variables.
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