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Table 5 Regression coefficients (dependent variables PCS and MCS)

From: Quality of life among patients with cardiac disease: the impact of comorbid depression

QOL ComponentVariableCoefficient (βi)\( se\left({\overset{\wedge }{\beta}}_i\right) \)p-value
PCSConstant44.962.016≤ 0.001
Age−0.1140.030≤ 0.001
Sex− 0.6590.7830.401
Ethnicity−0.3400.5590.543
Comorbidities−1.6430.5270.002
PHQ category−2.090.390≤ 0.001
MCSConstant51.732.193≤ 0.001
Age0.0700.0330.033
Sex−2.6240.8520.002
Ethnicity−0.7820.6080.199
Comorbidities−0.5480.5740.340
PHQ category−5.8560.424≤ 0.001