Table 2.

Duration of absenteeism because of low back pain

Absenteeism	Number	Percent
Less than two weeks	411	19.5%
2–4 weeks	789	37.4%
1–3 months	494	23.4%
3–6 months	141	6.7%
Over 6 months	275	13.0%
Total	2,110	100.0%

Did not know/ did not answer: 30