Table 6.

Betas (standard errors) from regressions on sleep measures with PAI-1 (log) in full sample

Sleep Measures	Model 1 Adjusted for age and time duration between measures	Model 2 + all covariates
Duration
PSG (min)	−5.73 (3.33)	−4.75+ (3.49)
Self-report (h)	−0.0202 (0.0665)	0.0076 (0.068)
Continuity
Wake after sleep onset (log)	0.02 (0.03)	−0.012 (0.03)
Efficiency	−1.05* (0.46)	−0.58 (0.47)
Stage
Percent delta sleep	0.17 (0.25)	0.23 (0.26)
Sleep Disorder Related
Apnea-hypopnea index (log)	0.24** (0.08)	0.28*** (0.08)
Desaturation event frequency	1.90** (0.70)	2.04*** (0.57)
Percent total sleep ≤ 90% saturation	1.72* (0.70)	1.61** (0.56)
Self-report
Pittsburgh Sleep Quality –log scale	0.06 (0.03)	0.02 (0.03)

Model 2 includes covariates: age, time duration between measures, site, ethnicity, menopausal status, residualized body mass index, smoking status, medications affecting sleep, medications affecting hemostatic/inflammatory measures, and use of hormones.

^*P < 0.05

^**P < 0.01

^***P < 0.001

+ indicates significant interaction with ethnicity in fully adjusted model.