Table 2

Regression estimates (SE) for effects of time and other explanatory variables on the Quality of Life Measures (n=513)

SF-36HADS
MeasurePCSMCSEuroQol Health valuationAnxietyDepressionTotal
*p<0.05; **p<0.01; ***p<0.001. 
 †Category above as reference category.
Intercept50.7 (0.77)***51.8 (0.79)***79.5 (1.6)***4.9 (0.32)***1.58 (0.33)***5.84 (0.67)***
Time0.90 (0.60)−0.42 (0.12)***−0.53 (0.17)**−0.55 (0.17)**−1.76 (0.17)***−1.15 (0.25)***
Time2−0.02 (0.11)0.10 (0.03)**0.03 (0.01)***0.22 (0.05)***
Age−0.10 (0.02)***0.033 (0.01)***0.033 (0.01)**
Sex (0=male, 1=female)−0.86 (0.27)**0.27 (0.09)**
Hypertension (0=no, 1=yes)−1.88 (0.50)***−0.88 (0.43)*−1.9 (0.81)*0.30 (0.14)*
Diabetes (0=no, 1=yes)−3.5 (1.5)*
Chronic diseases (0=no, 1=yes)−3.08 (0.32)***−3.4 (0.51)***0.31 (0.09)***0.18 (0.07)*0.46 (0.15)**
Perceived chance of having a heart attack†
    Negligible
    Very small−0.97 (1.5)0.24 (0.26)0.32 (0.42)
    Small−0.56 (0.63)0.27 (0.11)*0.44 (0.18)*
    Small/large−0.95 (0.34)**0.20 (0.06)***0.21 (0.10)*
    Large−1.02 (0.29)***0.12 (0.05)*0.21 (0.08)*
    Very large−0.65 (0.34)0.06 (0.06)0.05 (0.10)
Forced by circumstances to participate†
    Agree−0.04 (0.14)
    Neutral−0.20 (0.06)***
    Disagree
Freedom of choice to participate†
    Agree
    Neutral−0.47 (0.49)0.20 (0.16)0.43 (0.27)
    Disagree−1.56 (0.59)**0.62 (0.20)**0.83 (0.33)*