Background
Methods
Participants
Procedure
Measures
Statistical analyses
Results
Participants
M | N | SD | % | |
---|---|---|---|---|
Age | 54.1 | 7.38 | ||
Sex: female | 9 | 19.1 | ||
Troponin (ng/mL) | 34.0 | 48.1 | ||
ST segment elevation | 28 | 59.6 | ||
Coronary stenting | 41 | 87.2 | ||
Coronary bypass | 2 | 4.3 | ||
EMA | ||||
Happy mood | 4.40 | 1.05 | ||
Sad mood | 1.90 | 1.43 | ||
Anxious mood | 1.87 | 1.39 | ||
Anhedonia | 3.91 | 1.53 | ||
Perceived stress | 3.73 | 1.29 | ||
Location | ||||
At home | 799 | 71.3 | ||
Being outside | 59 | 5.3 | ||
At relative's home | 59 | 5.3 | ||
Social interaction | ||||
Alone | 330 | 29.5 | ||
With family | 475 | 42.2 | ||
With friends | 65 | 5.8 | ||
Activity | ||||
Watching television | 250 | 22.4 | ||
Talking | 64 | 5.8 | ||
Eating | 154 | 13.8 |
Feasibility of EMA
Biases associated with EMA duration
γ | SE | T ratio | |
---|---|---|---|
Fatigue effects | 0.102 | 0.105 | 0.969 |
Practice effects | − 13,902.557 | 7971.901 | − 1.744 |
Reactive effects | |||
Location | |||
At home | − 0.002 | 0.147 | − 0.011 |
Being outside | 0.214 | 0.147 | 1.455 |
At relative's home | − 0.015 | 0.120 | − 0.128 |
Social interaction | |||
Alone | 0.117 | 0.103 | 1.134 |
With family | − 0.138 | 0.088 | − 1.570 |
With friends | − 0.059 | 0.080 | − 0.737 |
Activity | |||
Watching television | − 0.080 | 0.117 | − 0.680 |
Talking | − 0.173 | 0.158 | − 1.086 |
Eating | 0.160 | 0.092 | 1.740 |
Mood states | |||
Happy mood | 0.116 | 0.074 | 1.576 |
Sad mood | − 0.118 | 0.111 | − 1.061 |
Anxious mood | − 0.139 | 0.114 | − 1.223 |
Anhedonia | 0.013 | 0.004 | 0.140 |
Perceived stress | − 0.209 | 0.097 | − 2.161* |
Reliability and internal validity
γ | SE | T ratio | |
---|---|---|---|
Mood states | |||
Sad—happy | − 0.333 | 0.071 | − 4.723*** |
Anhedonia—happy | − 0.605 | 0.058 | − 10.378*** |
Anhedonia—sad | 0.143 | 0.059 | 2.435* |
Anxiety and mood | |||
Anxiety—happy | − 0.253 | 0.057 | − 4.420*** |
Anxiety—sad | 0.377 | 0.048 | 7.869*** |
Anxiety—anhedonia | 0.095 | 0.037 | 2.578* |
Perceived stress and emotions | |||
Perceived stress—happy | − 0.396 | 0.067 | − 5.924*** |
Perceived stress—sad | 0.0260 | 0.053 | 0.495 |
Perceived stress—anhedonia | 0.222 | 0.040 | 5.579*** |
Perceived stress—anxiety | 0.104 | 0.053 | 1.957 |