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Table 2 Bivariate correlations a for demographic and cognitive variables (survey 2010, n = 1249)

From: Q fever in the Netherlands: public perceptions and behavioral responses in three different epidemiological regions: a follow-up study

  1 2 3 4 5 6 7 8 9 10 11a 11b 12 13 14 15 16
Variable b                  
  9 Knowledge .07 .09 .10 .16** .09 .09 .09 .11* 1         
  10 Perceived severity .10 .16** .08 .10 .17** .11 .11 .09 .12** 1        
  11a Perceived susceptibility .04 .06 .05 .12** .08 .07 .04 .14** .11** .23** 1       
  11b Perceived chance .09* .07 .05 .14** .07 .06 .07 .19** .02 .11** .42** 1      
  12 Perceived anxiety .10 .18** .07 .14** .17** .13** .06 .16** .22** .38** .37** .34** 1     
  13 Perceived efficacy .14 .16 .14 .18 .20* .14 .14 .15 .14** .14** .09** -.013 .19** 1    
  14 Perceived self-efficacy .19 .22** .18 .18 .18 .16 .18 .15 .08** .17** .06* -.007 .17** .40** 1   
  15 Intention .14 .25** .13 .20** .21** .17 .18 .19* .09** .26** .13** .06* .29** .43** .78** 1  
  16 Behaviour .09 .13** .07 .08 .11* .06 .06 .25** .13** .20** .21** .14** .38** .20** .20** .28** 1
  1. aCalculated using Cramérs V (for nominal vs. nominal/ordinal/interval variables) and Spearman’s Rho (for ordinal/interval vs. ordinal/interval variables);
  2. b1 = gender (1: male; 2: female); 2 = age (1: 18–30 yrs; 2: 30–50 yrs; 3: <50 yrs); 3 = ethnicity (1: native dutch; 2: immigrant); 4 = education (1: low; 2: intermediate; 3: high); 5 = employment status (1: unemployed/retired; 2: employed); 6 = marital status (1: single; 2: married/cohabiting; 3: divorced/widowed); 7 = children in household (1: no children; 2: one or more children < 18 yrs); 8 = contact with disease (1: no; 2: had Q fever themselves/partner/child(ren); 9 = knowledge = 0–7 items correct; number 10–15 on header row relate to the corresponding number and variable presented vertically (1–5 point likert scale); 16 = behaviour (0–5 number of preventive measures taken).
  3. *Correlation is significant at the 0.05 level (2-tailed); ** Correlation is significant at the 0.01 level (2-tailed).