Skip to main content
. 2011 Apr 1;34(4):443–450. doi: 10.1093/sleep/34.4.443

Table 2.

Annual observed and predicted costs by insomnia group

Observed (unadjusted) costs Mean (SD)
Predicted (adjusted) Costs Mean (SD)
Total healthcare costs Lost productivity costs Total healthcare costs Lost productivity costs
No insomnia $643 (1587) $1035 (5230) $757 (510) $1,013 (501)
Subthreshold insomnia $912 (2035) $1323 (6623) $907 (729) $1,352 (691)
Moderate/severe insomnia $1254 (3676) $1554 (5481) $1323 (924) $1,739 (950)

Adjusted costs models adjusts for age, gender, medical and psychiatric comorbidities and insomnia treatments