Table 2.

Description of mentally active and passive SB time on weekdays and weekend days according to education levels.

	Low primary education	Secondary education	University	p
	Mean (SD)	Mean (SD)	Mean (SD)
Mentally active SB during weekdays (hours/day)				0.000
Computer	0.34 (0.87)	0.42 (0.81)	0.31 (0.70)
Paperwork	0.6 (0.85)	0.71 (1.01)	1.16 (1.36)
Reading	0.95 (0.96)	1.26 (1.05)	1.35 (1.12)
Play instrument	0.02 (0.27)	0.04 (0.25)	0.07 (0.22)
Artwork	0.54 (1.14)	0.37 (0.89)	0.26 (0.74)
Total	2.23 (1.96)	2.82 (1.85)	3.17 (2.01)
Mentally passive SB during weekdays (hours/day)				0.001
TV	3.46 (1.60)	3.33 (1.46)	2.85 (1.53)
Listening music	0.72 (1.24)	0.63 (1.01)	0.55 (0.84)
Phone	0.34 (0.36)	0.44 (0.60)	0.42 (0.56)
Car (co-driver)	0.60 (0.78)	0.81 (0.90)	0.76 (0.68)
Total	5.13 (2.38)	5.23 (2.22)	4.59 (2.04)
Mentally active SB during weekends (hours/day)				0.000
Computer	0.36 (0.83)	0.44 (0.91)	0.24 (0.55)
Paperwork	0.5 (0.84)	0.62 (1.01)	0.82 (0.95)
Reading	0.98 (1.06)	1.27 (1.06)	1.41 (1.12)
Play instrument	0.02 (0.18)	0.03 (0.22)	0.07 (0.32)
Artwork	0.48 (1.11)	0.31 (0.79)	0.20 (0.64)
Total	2.10 (1.83)	2.55 (1.81)	2.71 (1.75)
Mentally passive SB during weekends (hours/day)				0.001
TV	3.47 (1.68)	3.37 (1.50)	2.80(1.53)
Listening music	0.63 (1.12)	0.66 (1.01)	0.59 (0.87)
Phone	0.33 (0.39)	0.42 (0.53)	0.37 (0.47)
Car (co-driver)	0.59 (0.66)	0.79 (0.80)	0.82 (0.83)
Total	5.04 (2.26)	5.25 (2.15)	4.60 (2.02)