Table 10.

Age and Sex Adjusted Risk of Total Mortality (Hazard Ratio and 95% Confidence Interval) in 1982–2003 by Age-Groups (Age at Entry to the Follow-Up). All Three Variables Measured in 1981 and Mutually Adjusted in the Same Model

	All N = 21268	24–39 Years N = 11747	40–54 Years N = 5759	55 Years Or More N = 3762
Sleep Length
short	1.27 (1.16–1.39)	1.84 (1.48–2.27)	1.28 (1.07–1.55)	1.15 (1.03–1.29)
average	1.00 (reference)	1.00 (reference)	1.00 (reference)	1.00 (reference)
long	1.27 (1.17–1.38)	1.40 (1.12–1.76)	1.15 (0.95–1.39)	1.25 (1.12–1.39)
Sleep Quality
sleeping well	1.00 (reference)	1.00 (reference)	1.00 (reference)	1.00 (reference)
sleeping fairly well	1.06 (0.98–1.14)	1.22 (1.02–1.46)	1.10 (0.95–1.28)	0.96 (0.87–1.07)
sleeping fairly poorly/poorly	1.17 (1.04–1.31)	2.00 (1.50–2.66)	1.22 (0.96–1.54)	1.05 (0.91–1.21)
Use Of Hypnotics And/Or Tranquilizers
no	1.00 (reference)	1.00 (reference)	1.00 (reference)	1.00 (reference)
infrequent	1.07 (0.93–1.23)	1.58 (1.12–2.21)	1.33 (1.04–1.71)	0.88 (0.73–1.06)
frequent	1.70 (1.45–1.99)	2.72 (1.82–4.08)	2.01 (1.50–2.70)	1.49 (1.23–1.80)

^*short = < 7 □