Table 2.

Prevalence of suicidal feelings ever in 2000 and 2010 among all respondents, and those who responded at both points in time

	2000 (N = 1,253)	2010 (N = 962)	Change from 2000 to 2010 (N = 715)
	percent (95% CI)	percent (95% CI)	paired t-test(a)
Felt life was not worth living
Never	52.3 (49.7–55.3)	54.9 (51.8–58.0)	mean diff = − 0.9
Hardly ever	28.7 (26.0–31.0)	31.7 (28.8–34.6)	t = −3.4
Sometimes	17.2 (15.0–19.2)	12.4 (10.1–14.3)	p = 0.001
Often	1.8 (1.1–2.7)	1.0 (0.4–1.6)
Wished own death
Never	72.9 (70.1–75.5)	76.8 (70.2–76.6)	mean diff = −0.7
Hardly ever	17.6 (15.5–19.7)	15.6 (13.3–17.9)	t = −3.1
Sometimes	8.9 (7.1–10.3)	7.6 (5.9–9.3)	p = 0.002
Often	0.6 (0.2–1.2)	-
Thoughts of taking own life
Never	69.2 (66.9–72.0)	74.6 (71.2–77.4)	mean diff = −0.8
Hardly ever	20.6 (18.2–22.6)	17.7 (15.3–20.1)	t = −3.5
Sometimes	9.2 (7.5–10.7)	7.4 (5.8–9.1)	p < 0.0001
Often	1.0 (0.5–1.7)	0.3 (0.1–0.7)

^(a)Paired t-test. Calculated with the following response values: never = 0, hardly ever = 1, sometimes = 2, often = 3.