Table IIIa.

Proportion of Worker Agreement^* with Short Term and Intermediate Impact items baseline and follow-up (n=83)

IIIa. Short Term Impact
Construct	Survey Item	Baseline %	Follow-up %
Skills	I am able to point out why some work tasks are physically demanding.	82.3	83.5
	There are actions that I can take to reduce my risk of pain and discomfort in my job.	58.2	68.4
Awareness	There is risk of muscle or joint pain/discomfort in my job.	87.3	96.2
Knowledge	I have had enough training to know how to use ergonomics in my job.	46.8	64.6*
	I am willing to try new tools or change how I perform work tasks to reduce my risk of pain and discomfort in my job.	82.1	87.3
Attitudes	I feel like I have the freedom to try new tools or change how I perform work tasks.	68.4	65.8
	I am planning to try new tools or change how I perform work tasks to reduce my risk of pain and discomfort in my job.	46.8	63.3*

^*For each item, dichotomized response scale for agreement (agree or strongly agree) to disagree/neutral response (strongly disagree, disagree, slightly disagree, slightly agree)

^**significant results of mixed logistic regression models for worker within contractor groups on agreement of dichotomized response scales at follow-up compared to baseline for individual items (p<0.05).