Table 2.

Socio-demographic and baseline clinical characteristics of the caregivers

	Total (N = 76)	Intervention group (n = 38)	Control group (n = 38)
Categorical variables, n (%)
Sex
Female	66 (86.8%)	35 (92.1%)	31 (81.6%)
Male	10 (13.2%)	3 (7.9%)	7 (18.4%)
Education
No formal education	11 (14.5%)	5 (13.2%)	6 (15.8%)
Primary	34 (44.7%)	18 (47.4%)	16 (42.1%)
Secondary	21 (27.6%)	10 (26.3%)	11 (28.9%)
Higher	10 (13.2%)	5 (13.2%)	5 (13.2%)
Employment status
Employed	48 (63.16%)	23 (60.53%)	25 (65.79%)
Unemployed	13 (17.11%)	8 (21.05%)	5 (13.16%)
Retired	15 (19.74%)	7 (18.42%)	8 (21.05%)
Relation to the patient
Spouse	45 (59.21%)	25 (65.79%)	20 (52.63%)
Son/Daughter	22 (28.95%)	8 (21.05%)	14 (36.84%)
Other	9 (11.84%)	5 (13.16%)	4 (10.52%)
Continuous variables, mean (SD)
Age (years)	63 (13)	63 (13)	62 (12)
Daily care (hours)	17.29 (7.18)	18.03 (6.93)	16.54 (7.43)
Duration of palliative care (months)	3.87 (4.80)	4.71 (5.99)	3.03 (3.05)
PSQI
Time in bed (hours)	7.84 (1.17)	7.70 (1.12)	8.00 (1.28)
Sleep latency (min)	23.02 (27.12)	27.46 (33.16)	18.58 (18.74)
Nighttime sleep (hours)	5.78 (1.60)	5.55 (1.61)	6.01 (1.57)
Sleep efficiency (%)	74.00 (19.00)	73.00 (19.00)	76.00 (20.00)
Sleep Quality (points)	9.05 (3.41)	9.37 (3.04)	8.74 (3.75)
ESS (points)	5.20 (4.354)	5.97 (4.46)	4.42 (4.16)
Accelerometer-derived sleep variables
Time in bed (hours)	7.84 (1.08)	7.74 (0.93)	7.94 (1.21)
Nighttime sleep (hours)	6.66 (1.08)	6.63 (0.83)	6.68 (1.01)
Sleep efficiency (%)	85.20 (4.70)	86.10 (4.50)	84.30 (4.80)
Sleep interruptions (counts)	14.63 (3.43)	15.12 (3.79)	14.13 (3.00)
Total daily sleep (hours)	8.98 (1.63)	9.08 (1.62)	8.88 (1.66)

ESS Epworth Sleepiness Scale, PSQI Pittsburgh Sleep Quality Index, SD standard deviation