Table 2

Data on reported activities on workdays and days off (a mean value expressed in hours and minutes) at the three measurement points and results from the multilevel mixed model in terms of the interactions between group and time

	Group	Baseline	9 months	18 months	Interaction effects group×time			Contrast coefficient^†
		Mean (SD)	Mean (SD)	Mean (SD)	Coefficient	95% CI		Baselinevs 9 months	9 monthsvs 18 months
		Mean (SD)	Mean (SD)	Mean (SD)	Coefficient	Lower	Upper	Baselinevs 9 months	9 monthsvs 18 months
Activities workdays (hours)
Work at workplace workdays (meals excluded)	I	7:50 (1:07)	6:29 (1:06)	6:22 (1:02)	−0.64*	−0.76	−0.53	−1.32*	0.10
Work at workplace workdays (meals excluded)	C	7:59 (1:09)	7:58 (1:09)	7:49 (1:11)	−0.64*	−0.76	−0.53	−0.03	−0.15
Work from home workdays	I	0:06 (0:22)	0:07 (0:21)	0:06 (0:17)	−0.03	−0.07	0.01	−0.00	−0.02
Work from home workdays	C	0:06 (0:23)	0:04 (0:13)	0:10 (0:30)	−0.03	−0.07	0.01	−0.03	0.08
Domestic work workdays	I	1:03 (0:44)	1:19 (1:00)	1:23 (0:59)	0.20*	0.11	0.27	0.25*	0.08
Domestic work workdays	C	1:05 (0:49)	0:57 (0:46)	1:04 (0:50)	0.20*	0.11	0.27	−0.15	0.13
Child care workdays	I	0:30 (0:52)	0:36 (1:03)	0:33 (0:59)	0.05	−0.01	0.11	0.08	−0.04
Child care workdays	C	0:30 (0:50)	0:30 (0:53)	0:23 (0:45)	0.05	−0.01	0.11	0.03	−0.09
Care for others workdays	I	0:02 (0:10)	0:03 (0:13)	0:03 (0:14)	0.01	−0.01	0.03	0.01	0.01
Care for others workdays	C	0:03 (0:10)	0:03 (0:11)	0:03 (0:13)	0.01	−0.01	0.03	−0.01	0.01
Personal care workdays	I	0:47 (0:25)	0:49 (0:25)	0:52 (0:28)	0.01	−0.03	0.05	0.05	0.03
Personal care workdays	C	0:40 (0:23)	0:41 (0:26)	0:45 (0:23)	0.01	−0.03	0.05	0.02	0.04
Meals workdays	I	1:53 (0:43)	1:53 (0:43)	1:57 (0:44)	−0.04	−0.10	0.03	−0.00	0.07
Meals workdays	C	1:51 (0:43)	2:00 (0:44)	2:04 (0:45)	−0.04	−0.10	0.03	0.13*	−0.01
Free-time workdays	I	0:44 (0:44)	0:59 (0:58)	0:55 (0:52)	0.10	0.02	0.19	0.26*	−0.06
Free-time workdays	C	0:49 (0:50)	0:44 (0:45)	0:48 (0:49)	0.10	0.02	0.19	−0.08	0.09
Own-time workdays	I	2:00 (1:05)	2:23 (1:17)	2:26 (1:21)	0.20*	0.08	0.32	0.35*	0.09
Own-time workdays	C	1:48 (1:05)	1:59 (1:10)	1:51 (1:07)	0.20*	0.08	0.32	0.15	−0.12
Socialising workdays	I	0:36 (0:42)	0:41 (0:38)	0:46 (0:48)	0.06	−0.02	0.13	0.08	0.06
Socialising workdays	C	0:32 (0:41)	0:30 (0:39)	0:35 (0:41)	0.06	−0.02	0.13	−0.04	0.07
Rest workdays	I	0:30 (0:39)	0:32 (0:48)	0:27 (0:39)	−0.03	−0.11	0.05	0.05	−0.09
Rest workdays	C	0:27 (0:42)	0:33 (0:56)	0:27 (0:43)	−0.03	−0.11	0.05	0.10	−0.09
Daytime sleep workdays (between 08:30 and 21:30)	I	0:05 (0:17)	0:06 (0:19)	0:04 (0:11)	−0.03	−0.08	0.01	0.03	−0.04
Daytime sleep workdays (between 08:30 and 21:30)	C	0:15 (0:55)	0:18 (0:58)	0:13 (0:43)	−0.03	−0.08	0.01	0.05	0.00
Activities days off (hours)
Work at workplace days off (meals excluded)	I	0:02 (0:20)	0:00 (0:06)	0:01 (0:12)	0.00	−0.05	0.04	−0.03	0.01
Work at workplace days off (meals excluded)	C	0:04 (0:27)	0:06 (0:28)	0:03 (0:26)	0.00	−0.05	0.04	0.02	−0.04
Work from home days off	I	0:10 (0:35)	0:09 (0:37)	0:10 (0:39)	−0.09	−0.17	−0.02	−0.02	0.02
Work from home days off	C	0:07 (0:24)	0:13 (0:47)	0:18 (0:56)	−0.09	−0.17	−0.02	0.10	0.10
Domestic work days off	I	2:32 (1:50)	2:17 (1:32)	2:29 (1:50)	−0.04	−0.15	0.23	−0.26*	0.17
Domestic work days off	C	2:47 (2:06)	2:26 (1:46)	2:36 (1:54)	−0.04	−0.15	0.23	−0.27	0.10
Child care days off	I	0:51 (1:42)	0:46 (1:42)	0:40 (1:23)	−0.04	−0.18	0.10	−0.07	−0.09
Child care days off	C	0:46 (1:32)	0:49 (1:41)	0:42 (1:41)	−0.04	−0.18	0.10	−0.01	−0.05
Care for others days off	I	0:12 (0:48)	0:10 (0:44)	0:07 (0:29)	−0.08	−0.16	−0.01	−0.03	−0.06
Care for others days off	C	0:07 (0:27)	0:07 (0:28)	0:12 (0:36)	−0.08	−0.16	−0.01	−0.00	0.08
Personal care days off	I	0:46 (0:33)	0:49 (0:47)	0:49 (0:39)	−0.01	−0.08	0.05	0.06	−0.01
Personal care days off	C	0:40 (0:32)	0:43 (0:34)	0:45 (0:31)	−0.01	−0.08	0.05	0.04	0.03
Meals days off	I	1:41 (0:40)	1:49 (0:42)	1:54 (0:46)	0.00	−0.06	0.07	0.14*	0.06
Meals days off	C	1:43 (0:41)	1:47 (0:47)	1:56 (0:50)				0.07	0.13
Free-time days off	I	1:30 (1:39)	1:31 (1:44)	1:44 (1:55)	0.28*	0.10	0.47	0.02	0.26
Free-time days off	C	1:49 (1:54)	1:46 (1:45)	1:30 (1:51)	0.28*	0.10	0.47	−0.02	−0.30
Own-time days off	I	3:38 (2:18)	3:52 (2:22)	3:25 (2:17)	−0.01	−0.25	0.22	0.20	−0.42*
Own-time days off	C	3:23 (2:32)	3:30 (2:25)	3:18 (2:18)	−0.01	−0.25	0.22	0.06	−0.24
Socialising days off	I	1:41 (1:33)	1:31 (1:24)	1:46 (1:40)	0.03	−0.13	0.20	−0.15	0.22
Socialising days off	C	1:27 (1:32)	1:20 (1:30)	1:28 (1:19)	0.03	−0.13	0.20	−0.13	0.15
Rest days off	I	0:50 (1:07)	0:57 (1:15)	0:54 (1:14)	−0.03	−0.17	0.10	0.11	−0.05
Rest days off	C	0:54 (1:24)	1:01 (1:25)	1:00 (1:16)	−0.03	−0.17	0.10	0.08	0.05
Daytime sleep days off (between 08:30 and 21:30)	I	0:34 (0:46)	0:34 (0:44)	0:29 (0:37)	−0.05	−0.12	0.02	−0.01	−0.08
Daytime sleep days off (between 08:30 and 21:30)	C	0:35 (0:45)	0:37 (0:49)	0:33 (0:45)	−0.05	−0.12	0.02	0.02	0.00
Groups of activities (hours)
Paid work workdays	I	7:57 (1:10)	6:36 (1:08)	6:28 (1:04)	−0.67*	−0.79	−0.56	−1.32*	−0.12
Paid work workdays	C	8:06 (1:10)	8:03 (1:10)	7:59 (1:17)	−0.67*	−0.79		−0.06	−0.08
Non-paid work workdays	I	1:37 (1:07)	1:59 (1:26)	2:00 (1:26)	0.25*	0.15	0.35	−0.34*	0.04
Non-paid work workdays	C	1:39 (1:15)	1:31 (1:17)	1:31 (1:14)	0.25*	0.15		−0.14	0.05
Total workload workdays	I	9:34 (1:25)	8:35 (1:38)	8:29 (1:44)	−0.42*	−0.55	−0.29	−0.98*	−0.08
Total workload workdays	C	9:46 (1:30)	9:34 (1:31)	9:31 (1:29)	−0.42*	−0.55		−0.21	−0.03
Recovery activities workdays	I	6:37 (1:28)	7:26 (1:35)	7:30 (1:41)	0.28*	0.14	0.41	0.78*	0.06
	C	6:25 (1:40)	6:47 (1:38)	6:44 (1:37)	0.28*	0.14		0.33*	−0.01
Paid work days off	I	0:13 (0:40)	0:10 (0:38)	0:12 (0:40)	−0.10	−0.18	−0.01	−0.05	0.03
Paid work days off	C	0:11 (0:38)	0:38 (0:19)	0:22 (1:03)				0.11	0.07
Non-paid work days off	I	3:35 (2:27)	2:27 (3:14)	3:16 (2:21)	0.10	−0.33	0.13	−0.37*	0.02
Non-paid work days off	C	3:40 (2:32)	2:32 (3:22)	3:29 (2:31)	0.10	−0.33		−0.26	0.11
Total workload days off	I	3:48 (2:29)	2:29 (3:25)	3:28 (2:23)	−0.20	−0.43	0.03	−0.42*	0.06
Total workload days off	C	3:52 (2:33)	2:33 (3:42)	3:51 (2:30)	−0.20	−0.43		−0.15	0.19
Recovery activities days off	I	10:40 (2:31)	10:52 (2:53)	10:53 (2:43)	0.10	−0.40	0.20	0.21	0.01
Recovery activities days off	C	9:57 (3:33)	10:28 (3:07)	10:27 (2:46)	0.10	−0.40	0.20	0.48	−0.06

*Significant at the 0.01 level.
†Contrast coefficients calculated by group and time period.
C, control group; I, intervention group.