Skip to main content

Table 4 Differences between mean anxiety, depression and self-esteem scores over the three time points together with p values for overall differences across time and for interactions between time point and age and sex

From: Does population screening for Chlamydia trachomatisraise anxiety among those tested? Findings from a population based chlamydia screening study

Score Time Point Difference between means (95% CI)1 Difference between time points P values Interaction with age band Interaction with sex
Anxiety     0.0049 0.99 0.012
  Before invitation 0     
  At invitation -0.66 (-1.23, -0.09)    
  Negative result received -0.99 (-1.60, -0.38)    
Depression     0.25 0.41 0.041
  Before invitation 0     
  At invitation -0.47 (-1.09, 0.15)    
  Negative result received -0.26 (-0.91, 0.39)    
Self-esteem     0.26 0.27 0.98
  Before invitation 0     
  At invitation 0.12 (-0.26, 0.50)    
  Negative result received -0.13 (-0.57, 0.31)    
  1. 1 From model with no interaction terms. Adjusted for age band, sex, practice and clustering effects, and weighted to account for sampling probability.