Table 3 Multivariate linear regression model of quality of life scores (health index) of the 1988 Spitak earthquake survivors
From: Loss and psychosocial factors as determinants of quality of life in a cohort of earthquake survivors
Multivariate linear regression | ||||
|---|---|---|---|---|
Variables | Coefficient | 95% CI | p-value | |
Age (years) | −0.005 | −0.006 | −0.004 | <0.001 |
Gender | −0.019 | −0.062 | 0.004 | 0.387 |
Male = 0 | ||||
Female = 1 | ||||
Length of education (years) | 0.004 | −0.002 | 0.010 | 0.165 |
Socio-economic status in 2012 | 0.013 | −0.006 | 0.032 | 0.186 |
low = 0 | ||||
average = 1 | ||||
high = 2 | ||||
Earthquake related material loss | −0.038 | −0.063 | −0.014 | 0.002 |
none to minimum = 0 | ||||
moderate = 1 | ||||
Severe = 2 | ||||
Post-earthquake financial/material aid | −0.023 | −0.055 | 0.010 | 0.175 |
no = 0 | ||||
yes = 1 | ||||
Post-earthquake financial/material aid to those with severe material loss | 0.075 | 0.009 | 0.141 | 0.025 |
no = 0 | ||||
yes = 1 | ||||
Social support score (0–28) | 0.009 | 0.004 | 0.013 | <0.001 |
Number of physical illnesses in 2012 (0–15) | −0.033 | −0.041 | −0.025 | <0.001 |
PTSD in1991 | 0.010 | −0.020 | 0.040 | 0.513 |
no = 0 | ||||
yes = 1 | ||||
PTSD in 2012 | −0.072 | −0.109 | −0.036 | 0.002 |
no = 0 | ||||
yes = 1 | ||||
Depression in 2012 | −0.108 | −0.147 | −0.069 | <0.001 |
no = 0 | ||||
yes = 1 | ||||
Anxiety in 2012 | −0.072 | −0.109 | −0.036 | <0.001 |
no = 0 | ||||
yes = 1 | ||||
Alcohol abuse in 2012 | 0.049 | −0.024 | 0.121 | 0.189 |
no = 0 | ||||
yes = 1 | ||||
Smoking in 2012 | 0.000 | −0.051 | 0.052 | 0.992 |
no = 0 | ||||
yes = 1 | ||||