With respect to the work-related characteristics, the prevalence of LBP increased with the presence of (or worker exposure to) all surveyed factors and reached statistical significance at the p < .0001 level (see Table 2). The greatest absolute differences in proportions occurred for exposure to stooping, prolonged standing or walking, and lifting. When stooping was a work characteristic, ∼22% more respondents suffered from LBP within the past 7 days, 32.3% more workers experienced LBP when required to stand and walk during work, and ∼21% more respondents had LBP when required to perform lifting tasks