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Table 1 Regression analysis of the determinants of the sum score on the 15D.

From: Indoors illumination and seasonal changes in mood and behavior are associated with the health-related quality of life

Variable Estimate Standard error t value P value
Female sex -0.00054 0.0019 -0.29 0.77
Aged 45 to 60 -0.014 0.0018 -7.68 <0.0001
Aged 61 to 75 -0.030 0.0069 -4.31 <0.0001
Aged 75 to 99 -0.12 0.078 -1.50 0.13
Medium education 0.0034 0.0027 1.24 0.21
High education 0.0036 0.0030 1.22 0.22
Living together 0.0025 0.0022 1.12 0.26
Location in the north -0.0017 0.0028 -0.77 0.44
Medium exercise 0.0067 0.0026 2.54 0.011
Fitness exercise 0.011 0.0027 4.08 <0.0001
Sport exercise 0.0094 0.0051 1.84 0.066
Medium alcohol intake 0.0048 0.0023 2.14 0.033
High alcohol intake 0.0026 0.0026 1.010 0.31
No alcohol intake -0.0023 0.0038 -0.59 0.56
High GSS -0.021 0.0024 -8.70 <0.0001
High BDI -0.068 0.0029 -23.63 <0.0001
Low illuminance levels -0.011 0.0026 -4.10 <0.0001
Medium outdoor activities -0.0030 0.0028 -1.06 0.29
High outdoor activities 0.0016 0.0029 0.55 0.58
Medium social activities 0.0013 0.0024 0.53 0.60
High social activities 0.0030 0.0025 1.17 0.24