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Table 2 Type of phone-use estimations for NSW from 2012 NSWPHS

From: Inclusion of mobile telephone numbers into an ongoing population health survey in New South Wales, Australia, using an overlapping dual-frame design: impact on the time series

Demographic groups

Landline-only

Mobile-only

Dual phone users

Landline phone users – who may also have a mobile phone

%

95%CI

%

95%CI

%

95%CI

%

95%CI

Sex

Males

9.6

8.4-10.8

20.9

18.4-23.4

69.5

66.9-72.1

79.1

76.6-81.6

Females

9.5

8.4-10.7

19.5

16.9-22.1

71.0

68.4-73.6

80.5

77.9-83.2

Age group

14-24 years

1.6

0.9-2.4

21.1

17.5-24.7

77.3

73.6-81.0

78.9

75.3-82.5

25-34 years

0.7

0.3-1.1

45.1

39.4-50.8

54.2

48.5-59.9

54.9

49.2-60.6

35-44 years

4.2

2.8-5.5

24.2

19.1-29.2

71.6

66.7-76.6

75.8

70.8-80.9

45-54 years

7.2

5.2-9.2

14.3

11.0-17.7

78.5

74.7-82.2

85.7

82.3-89.0

55-64 years

10.6

8.7-12.5

11.6

7.2-16.0

77.7

73.4-82.1

88.3

84.0-92.8

65 + years

33.6

30.6-36.7

3.2

2.0-4.3

63.1

60.1-66.2

96.7

95.7-98.0

Aboriginal and/or Torres Strait Islanders

7.6

4.2-11.1

38.7

29.9-47.5

53.7

45.2-62.2

61.3

52.5-70.1

Never married

3.4

2.7-4.1

33.4

29.8-37.0

63.2

59.6-66.8

66.6

63.0-70.2

Separated but not divorced

9.8

5.0-14.7

31.7

19.7-43.8

58.4

47.2-69.6

68.2

56.2-80.3

Born overseas

7.8

6.6-9.0

23.2

20.0-26.3

69.1

65.9-72.2

76.9

73.7-80.0

Low household income (<$20,000)

21.0

18.2-23.6

26.6

21.9-31.4

52.4

48.3-56.6

73.4

68.6-78.1

NSW OVERALL

9.6

8.8-10.4

20.2

18.3-22.0

70.2

68.4-72.1

79.8

78.0-81.7