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

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

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 From model with no interaction terms. Adjusted for age band, sex, practice and clustering effects, and weighted to account for sampling probability.

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