Table 2.

Model Estimates

EMA affect item (100-pt VAS)	Anxious/Tense	Angry/Hostile
Trait questionnaire scale	Spielberger Trait Anxiety	Cook-Medley Total Hostility
EMA Trait variance	0.49	0.37
EMA Day-to-day variance	0.05	0.07
EMA State variance	0.34	0.19
30-min autocorrelation (λ)	0.83	0.78
EMA Measurement error variance	0.33	0.23
Trait questionnaire variance	44.55	13.69
Covariance(EMA Trait, Trait questionnaire)	1.17	0.49
Calculated estimates
Total EMA variance	1.21	0.86
Total reliable EMA variance	0.88	0.63
Reliability of individual EMA reports	0.73	0.74
EMA Trait variance (% of reliable variance)	55.7%	57.9%
EMA State variance (% of reliable variance)	38.4%	30.3%
Correl (EMA Trait, Trait questionnaire), ρ1	0.25	0.22
ρ2	0.95	0.91
ρ3	0.31	0.41
ρ4	0.78	0.83
ρ5	0.62	0.55
ρ6	0.85	0.86
Test-retest correlation of 24-hr average EMA [=(ρ2)2]	0.90	0.83

N=165 participants who performed ambulatory blood pressure monitoring with electronic EMA monitoring for two 24-hour periods. EMA reports were completed after each blood pressure reading, which were programmed to occur at 28-minute intervals