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Table 2 Comparison of demographics of respondents with and without fixed line telephone and internet access

From: Is web interviewing a good alternative to telephone interviewing? Findings from the International Tobacco Control (ITC) Netherlands Survey

  Web sample (n = 1,668) Telephone sample (n = 404)
  With telephone
(n = 1,438)
Without telephone
(n = 230)
Significance
tests
With internet
(n = 359)
Without internet
(n = 45)
Significance
tests
Gender (%)    χ2 = 0.15    χ2 = .74
Men 52.4 53.9 (df = 1) 55.8 48.8 (df = 1)
Women 47.6 46.1   44.2 51.2  
Marital status (%)    χ2 = 39.63***    χ2 = 27.93***
Not married 41.5 63.3 (df = 3) 44.0 40.0 (df = 3)
Married 50.4 28.0   49.5 37.5  
Widowed 2.2 1.4   2.5 20.0  
Divorced 6.0 7.2   4.1 2.5  
Educational level (%)    χ2 = 8.78*    χ2 = 26.29***
Low 51.9 43.0 (df = 3) 31.0 70.7 (df = 3)
Middle 34.9 37.2   50.0 24.4  
High 12.5 18.8   15.2 2.4  
No answer 0.7 1.0   3.8 2.4  
Age (mean; SD) 43.3; 14.7 35.3; 12.3 t = -8.53*** 41.1; 13.6 57.1; 17.4 t = 5.66***
  1. * p < 0.05
  2. ** p < 0.01
  3. *** p < 0.001