Table 1

Presence of self reported risk factors of low back pain among scaffolders and supervisors

		Scaffolders (n=221)				Supervisors (n=66)
		n	%			n	%
Physical load:
High manual handling of materials^1-150	145	66		10	15
High awkward back posture^1-150	129	58		5	8
High strenuous arm positions^1-150	158	71		6	9
High perceived exertion^1-150	163	74		13	20
Psychosocial load:
High demand and low job control^1-150	65	29		6	9
Perceived general health:
Need for recovery^1-150	115	52		19	29
Moderate general health^1-150	89	40		16	24