Experienced Poor Lighting Contributes to the Seasonal Fluctuations in Weight and Appetite That Relate to the Metabolic Syndrome

Table 4

Determinants of seasonal variations in mood and behavior in a representative sample of the Finns aged 30 and over.

Explanatory variable	Estimate	Standard error	𝑡 value	𝑃 value
Pelvic circumference	0.0050	0.00093	5.35	<.0001
Female sex	reference
Male sex	−0.14	0.018	−7.86	<.0001
Low education level	reference
Medium education level	0.13	0.021	6.19	<.0001
High education level	0.15	0.020	7.75	<.0001
Low GHQ-12 sum score	reference
High GHQ-12 sum score	0.12	0.025	4.74	<.0001
Low BDI sum score	reference
Medium BDI sum score	0.22	0.020	11.33	<.0001
High BDI sum score	0.34	0.037	9.23	<.0001
No major depressive disorder	reference
Major depressive disorder	0.084	0.037	2.24	.026

GHQ-12 = 12-item General Health Questionnaire; BDI = Beck Depression Inventory.