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Table 1 Selected characteristics of the two survey populations by frame (unweighted)

From: The impact of the mode of survey administration on estimates of daily smoking for mobile phone only users

  CATI % Self-administered % Combined Sample %
Variable Category Mobile only Dual phone Landline only Total Mobile only Dual phone Landline only Total Mobile only Dual phone Landline only Total
Sex Male 50.3 40.0 43.1 41.5 43.2 46.7 42.4 45.1 46.9 41.6 42.7 42.6
Female 49.7 60.0 56.9 58.5 56.8 53.3 57.6 54.9 53.1 58.4 57.3 57.4
Age 18-24 17.5 6.3 0.4 6.7 12.1 3.9 7.2 6.7 14.9 5.7 3.6 6.7
25-34 33.4 9.5 1.3 10.8 28.6 8.2 10.1 13.2 31.1 9.2 5.4 11.6
35-44 20.1 12.3 2.7 11.9 23.5 15.8 16.4 17.4 21.8 13.1 9.1 13.7
45-54 13.6 18.4 9.4 16.8 15.9 18.1 16.1 16.8 14.7 18.3 12.6 16.8
55-64 10.1 23.4 17.4 21.3 11.4 20.9 17.5 17.6 10.7 22.8 17.4 20.1
65+ 5.3 30.1 68.7 32.5 8.4 33.1 32.8 28.3 6.8 30.8 51.9 31.2
Remoteness Metropolitan 80.0 59.9 44.6 60.1 72.1 73.5 73.3 73.4 76.1 63.1 58.0 64.4
Rural/regional 20.0 40.1 55.4 39.9 27.9 26.5 26.7 26.6 23.9 36.9 42.0 35.6
SES 1st Quintile (lowest SES) 16.5 18.6 27.3 19.4 19.8 15.4 20.3 17.7 18.1 17.8 24.0 18.9
2nd Quintile 18.0 26.1 31.3 25.9 21.8 17.8 18.9 19.0 19.9 24.2 25.5 23.7
3rd Quintile 21.2 21.8 20.4 21.6 15.3 15.8 16.0 15.8 18.3 20.4 18.4 19.7
4th Quintile 15.1 10.8 7.7 10.8 19.8 21.4 20.3 20.7 17.4 13.2 13.6 13.9
5th Quintile (highest SES) 29.1 22.7 13.3 22.3 23.3 29.7 24.6 26.8 26.3 24.4 18.6 23.7
COB Australia 56.4 71.5 77.6 70.6 72.3 73.5 68.1 68.9 64.1 72.0 73.2 70.1
Other 43.6 28.5 22.4 29.4 27.7 26.5 31.9 31.1 35.9 28.0 26.8 29.9
Education Trade certificate or higher 65.3 61.9 38.2 59.3 73.6 72.1 59.8 69.1 69.3 64.3 48.3 62.4
No qualifications 34.7 38.1 61.8 40.7 26.4 27.9 40.2 30.9 30.7 35.7 51.7 37.6