Supermarket employees

Bakery workers

Pulmonary functions

Mean ± SD

Mean of three stages

After work^a

During work^a

Before work^a

97.1 ± 6.4

94.2 ± 11.1

93.4 ± 10.6

94 ± 8.7

95.2 ± 13.1

FVC (% predicted)

98.1 ± 9.3

89.5 ± 9.2

88.8 ± 8.8

89.4 ± 7.6

90.3 ± 12.2

FEV1^* (% predicted)

103.6 ± 7.7

98.5 ± 5.8

98.8 ± 5.5

98.4 ± 5.3

98.1 ± 6.4

FEV1/FVC^* (%)

94.6 ± 8.3

75.1 ± 10.1

74.9 ± 9.8

75.1 ± 9.6

75.2 ± 10.4

FEF_25-75^* (% predicted)

98.8 ± 6.1

90 ± 7.2

90.8 ± 8.2

90.6 ± 6.6

89.7 ± 6.2

PEF^* (% predicted)