Table 2.

Sleep and other health information among older veterans with insomnia

	Baseline (n = 159)	Posttreatment (n = 150)	6-month follow-up (n = 144)
PSQI score
Intervention	9.44 ± 3.48	5.51 ± 3.60	5.97 ± 3.80
Control	8.26 ± 3.22	7.60 ± 3.31	7.21 ± 3.49
ISI score
Intervention	11.66 ± 5.26	6.13 ± 4.48	5.47 ± 4.80
Control	10.08 ± 5.26	8.94 ± 5.75	7.81 ± 5.62
Sleep efficiency-D
Intervention	71.98 ± 14.80	85.74 ± 10.18	84.74 ± 9.72
Control	72.80 ± 16.78	76.17 ± 11.46	78.87 ± 12.85
WASO-D
Intervention	55.84 ± 40.27	24.96 ± 23.76	30.53 ± 33.86
Control	58.14 ± 63.28	44.63 ± 36.35	42.97 ± 40.63
Sleep efficiency-A
Intervention	83.73 ± 6.05	84.79 ± 6.03	82.72 ± 7.38
Control	82.80 ± 6.91	82.42 ± 6.82	83.01 ± 6.51
ESS
Intervention	5.36 ± 4.05	4.48 ± 3.94	4.02 ± 3.78
Control	4.64 ± 2.79	4.72 ± 3.60	3.65 ± 2.89
FFS
Intervention	9.82 ± 7.60	5.01 ± 6.43	5.83 ± 6.73
Control	9.11 ± 6.69	6.06 ± 5.91	7.33 ± 6.90
PHQ-9
Intervention	5.06 ± 4.34	3.04 ± 4.04	2.97 ± 4.30
Control	4.35 ± 4.26	2.94 ± 2.70	3.31 ± 3.64
SF-12vs physical health
Intervention	44.16 ± 10.86	45.88 ± 10.26	44.69 ± 10.50
Control	47.58 ± 10.25	49.82 ± 9.18	46.62 ± 10.92
SF-12vs mental health
Intervention	52.88 ± 10.00	52.56 ± 10.29	53.43 ± 10.07
Control	52.57 ± 8.33	54.73 ± 6.91	54.30 ± 8.47

Baseline n = 106 CBTI, n = 53 control; posttreatment n = 97 CBTI, n = 53 control; 6-month follow-up n = 92 CBTI, n = 52 control.

PSQI, Pittsburgh Sleep Quality Index; ISI, Insomnia Severity Index; sleep efficiency-D, sleep diary measured sleep efficiency; WASO-D, sleep diary measured wake after sleep onset; sleep efficiency-A, actigraphy measured sleep efficiency; ESS, Epworth Sleepiness Scale; FFS, Flinders Fatigue Scale; PHQ-9, Patient Health Questionnaire-9 items; SF-12, Medical Outcomes Study 12-item Short-Form health-related quality of life.