Table 1

 Background characteristics in five countries (the proportions in percentages)

Canada n = 475(RR = 71.9)China n = 686(RR = 83.7)Finland n = 7771(RR = 60.7)France n = 554(RR = 45.2)Sweden n = 4647(RR = 54.8)Total n = 14133(RR = 58.0)
RR, response rate.
>45 years of age48.111.053.835.043.644.5
Male employees89.582.077.478.677.680.1
Blue collar employees72.463.061.836.659.560.7
Physical hazards in work environment43.342.327.057.437.233.0