Table 7.

Physical factors associated with LBP disability among Botswana school teachers

Risk factorsa	Minimal disability	Moderate/severe disability/crippled	Total	P value
	%	%	%
Much physical effort				<0.001
No	41.4	26.8	36.6
Yes	58.6	73.2	63.4
Lift heavy loads				0.030
No	85.4	79.6	83.5
Yes	14.6	20.4	16.5
Rapid physical activity				<0.001
No	59.9	43.9	54.6
Yes	40.1	56.1	45.4
Awkward body position				<0.001
No	71.9	58.9	67.6
Yes	28.1	41.1	32.4
Awkward arm position				<0.001
No	71.2	58.3	66.9
Yes	28.8	41.7	33.1

^aStatistical associations between independent variables and LBP disability were evaluated using chi-squared. Statistically significant differences (p<0.05) are marked in bold.