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Table 2 Regression analysis of the determinants of the sum score on the 12-item General Health Questionnaire.

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 0.31 0.12 2.56 0.010
Aged 45 to 60 -0.088 0.11 -0.82 0.41
Aged 61 to 75 -0.64 0.44 -1.46 0.14
Aged 75 to 99 1.28 0.99 1.30 0.20
Medium education -0.00047 0.16 -0.0030 1.00
High education 0.11 0.16 0.70 0.49
Living together -0.29 0.11 -2.51 0.012
Location in the north -0.098 0.13 -0.74 0.46
Medium exercise -0.16 0.13 -1.19 0.23
Fitness exercise -0.10 0.16 -0.62 0.54
Sport exercise -0.56 0.51 -1.09 0.28
Medium alcohol intake 0.091 0.13 0.69 0.49
High alcohol intake 0.19 0.17 1.14 0.25
No alcohol intake 0.45 0.21 2.22 0.027
High GSS 1.09 0.12 8.94 <0.0001
Low illuminance levels 0.33 0.14 2.37 0.018
Medium outdoor activities -0.36 0.15 -2.45 0.014
High outdoor activities -0.40 0.15 -2.62 0.0089
Medium social activities -0.24 0.13 -1.86 0.064
High social activities -0.49 0.14 -3.46 0.00057