Table 1.

Intra-individual variability (IIV) coefficient in sleep diary outcomes at baseline, 6 months, and 12 Months, sample size (N), mean (SD), effect size (ES) by study arm.

Sleep diary outcomes			Baseline	6 Months		12 Months
	N	Study Arm	M (SD)	M (SD)	ES	M (SD)	ES
SOL	36	Exercise	71.80 (44.90)	53.61 (33.47)	0.41	56.57 (41.90)*	0.57
	30	Control	79.03 (37.04)	67.31 (27.02)		83.38 (49.34)
TIB	35	Exercise	12.08 (6.50)	12.44 (6.97)	−0.29	10.39 (6.27)	0.18
	29	Control	10.76 (7.32)	10.69 (7.00)		9.82 (4.34)
Rested AM	36	Exercise	36.35 (15.65)	32.44 (23.17)	−0.03	29.62 (21.02)	0.14
	30	Control	37.03 (15.64)	32.21 (15.01)		32.38 (13.15)
Awakenings	35	Exercise	66.11 (52.51)	69.15 (44.58)	−0.03	66.78 (46.74)	0.05
	30	Control	71.83 (53.73)	89.54 (68.43)		76.18 (63.16)
WAFA	35	Exercise	143.15 (79.83)	109.30 (56.61)	0.17	111.60 (50.38)	−0.19
	29	Control	113.48 (64.02)	98.41 (42.04)		96.55 (60.16)
Sleep-wake schedule
Bed time	35	Exercise	3.05 (1.38)	3.07 (2.16)	0.15	2.77 (1.83)	0.23
	30	Control	3.34 (1.59)	2.98 (1.67)		3.31 (1.79)
Wake time	36	Exercise	16.69 (9.06)	13.02 (9.95)	0.04	10.98 (5.69)	0.25
	30	Control	16.05 (10.36)	12.42 (7.45)		12.57 (10.02)

Notes. Intent-to-treat values are imputed. Effect size is Cohen's d . SOL = sleep-onset latency. TIB = time in bed. WAFA = wake after final awakening.

^*Between-arm difference (ANCOVA), p < .05, two-tailed.