Table 1.

Sleep scale scores before and after treatment

	eCBT-I group (n = 60)		Control group (n = 58)
	Baseline	Study end	Baseline	Study end
PSQI	10.4 ± 3.5	5.9 ± 3.9*,**	10.0 ± 3.1	9.1 ± 3.9
ISI	12.4 ± 4.7	6.7 ± 4.5*,**	11.8 ± 3.4	10.6 ± 4.1

Data shown are the mean ± SD

Abbreviations: eCBT-I e-aid cognitive behavioural therapy; PSQI Pittsburgh Sleep Quality Index; ISI Insomnia Severity Index

^*p < 0.05: comparison of between the study end and baseline values of the eCBT-I group; ^**p < 0.05: comparison of study end values between the eCBT-I group and control group