Table 3.

Multivariate model

	Lost Productivity Costs GLM coefficient (SE)	Total Healthcare Costs GLM coefficient (SE)
Demographics
Age	-0.032 (0.0035)**	0.021 (0.004)**
Male	0.237 (0.075)*	0.111 (0.118)
Pre index date CDS	-0.016 (0.0144)	0.124 (0.020)**
Pre index date Psychiatric Index	0.293 (0.0777)**	0.242 (0.099)*
Treatment type
Prescription treatment	0.439 (0.151)*	-0.550 (0.239)*
OTC Treatment	0.347 (0.160)*	-0.793 (0.262)**
No Treatment	0.615 (0.145)*	-0.671 (0.228)**
Prescription and OTC (REF)	–	–
ISI Category
Moderate/Severe Insomnia (15-28)	0.565 (0.095)**	0.363 (0.142)*
Subthreshold Insomnia (8-14)	0.306 (0.077)**	0.103 (0.126)
No Insomnia (0-7) (REF)	–	–

^**P < 0.001;

^*P < 0.05;

CDS, Chronic Disease Score Index.