Table 1.

Means scores and caseness for anxiety-depression (PHQ-ADS) and traumatic stress (ITQ)

	Wave 1	Wave 2	Wave 3
	Mean (s.e.)	Mean (s.e.)	Mean (s.e.)	Equality test
Anxiety-depression: PHQ-ADS	10.53 (0.25)	10.33 (0.28)	10.68 (0.31)	χ2(2) = 2.40, p = 0.301
Traumatic stress: ITQ	4.58 (0.13)	4.51 (0.15)	4.07 (0.15)	χ2(2) = 15.88, p < 0.001
	% (95% CI)	% (95% CI)	% (95% CI)
Anxiety-depression: PHQ-ADS	20.7% (19.0–22.2)	18.6% (16.6–20.6)	20.0% (17.8–22.2)	χ2(2) = 5.20, p = 0.074
Traumatic stress: ITQ	16.8% (15.2–18.4)	15.8% (13.9–17.6)	14.4% (12.4–16.3)	χ2(2) = 6.23, p = 0.042

PHQ-ADS, The Patient Health Questionnaire Anxiety-Depression Scale; ITQ, International Trauma Questionnaire; s.e., standard error.