Table 1

Subject participation

TradeNo. of subjects observedObservation/dosimetry daysNo. of subjects completing daily activity cardsActivity card daysNo. of subjects completing interview
*Other trades includes labourer (1), sheet metal worker (2), sprinkler fitter (1), and operating engineer (1).
All subjects251301738923
Carpenter1160819610
Electrician94751188
Other trades*5234755