Table 2

Percentage of sample in 10 occupational groups according to the DISCO-88 classification and physical workload in the various groups

Occupational group	% of sample	Physical workload	% of occupational groups
Legislators, senior officials, managers	7	Sitting	29
		Sitting/walking	26
		Light physical	27
		Heavy physical	18
Professionals	14	Sitting	51
		Sitting/walking	37
		Light physical	11
		Heavy physical	1
Technicians and associate professionals	21	Sitting	33
		Sitting/walking	33
		Light physical	30
		Heavy physical	4
Clerks	11	Sitting	54
		Sitting/walking	32
		Light physical	11
		Heavy physical	3
Service workers and shop and market sales workers	13	Sitting	5
		Sitting/walking	21
		Light physical	58
		Heavy physical	16
Skilled agricultural and fishery workers	1	Sitting
		Sitting/walking	5
		Light physical	44
		Heavy physical	51
Craft and related trades workers	10	Sitting	3
		Sitting/walking	14
		Light physical	47
		Heavy physical	37
Plant and machine operators and assemblers	7	Sitting	20
		Sitting/walking	22
		Light physical	31
		Heavy physical	27
Elementary occupations	11	Sitting	42
		Sitting/walking	18
		Light physical	53
		Heavy physical	27
Armed forces	1	Sitting	31
		Sitting/walking	21
		Light physical	44
		Heavy physical	5
Occupational group information missing	4	Sitting	25
		Sitting/walking	41
		Light physical	30
		Heavy physical	5