Skip to main content

Table 3 Frequency of the occupational use of chemicals for more than half a day during pregnancy (MT1 and MT2 questionnaires)

From: Questionnaire results on exposure characteristics of pregnant women participating in the Japan Environment and Children Study (JECS)

 

MT1

MT2

N

%

%

Kappa scores

Anti-cancer drug (not including your own remedy)

N = 63,576

 No

98.7

98.8

0.54

 1–3 times a month

0.8

0.9

 1–6 times a week

0.4

0.3

 Everyday

< 0.1

0.1

Lead-free solder

N = 63,388

 No

99.7

99.7

0.54

 1–3 times a month

0.1

0.1

 1–6 times a week

0.1

0.2

 Everyday

0.1

0.1

Any products containing lead like solder

N = 63,388

 No

99.7

99.7

0.45

 1–3 times a month

0.2

0.2

 1–6 times a week

0.1

0.1

 Everyday

0.1

0.1

Formalin, formaldehyde

N = 63,584

 No

99.2

99.2

0.44

 1–3 times a month

0.5

0.5

 1–6 times a week

0.3

0.2

 Everyday

0.1

0.1

Microbes

N = 63,399

 No

99.6

99.6

0.44

 1–3 times a month

0.2

0.2

 1–6 times a week

0.2

0.1

 Everyday

0.1

0.1

General anesthetic for surgery at hospital

N = 63,611

 No

99.2

99.1

0.42

 1–3 times a month

0.4

0.5

 1–6 times a week

0.3

0.3

 Everyday

0.1

0.1

Photo copying machine, laser printer

N = 64,895

 No

70.6

66.1

0.39

 1–3 times a month

8.1

11.4

 1–6 times a week

14.2

15.2

 Everyday

7.1

7.3

Radiation, radioactive substances, isotopes

N = 63,385

 No

98.1

98.5

0.38

 1–3 times a month

0.9

0.7

 1–6 times a week

0.8

0.5

 Everyday

0.3

0.2

Medical sterilizing disinfectant

N = 63,931

 No

88.5

86.8

0.37

 1–3 times a month

3.3

5.3

 1–6 times a week

6.0

5.8

 Everyday

2.3

2.0

Dyestuffs (hair coloring)

N = 62,560

 No

93.4

90.8

0.32

 1–3 times a month

5.5

8.0

 1–6 times a week

0.6

0.7

Everyday

0.4

0.5

Permanent marker

N = 64,471

 No

70.3

60.5

0.30

 1–3 times a month

15.8

23.6

 1–6 times a week

11.1

13.2

 Everyday

2.8

2.7

Paint

N = 63,569

 No

80.0

72.9

0.29

 1–3 times a month

10.2

15.5

 1–6 times a week

7.8

9.1

 Everyday

2.4

2.5

Chromium, arsenic, cadmium

N = 63,386

 No

99.9

99.9

0.28

 1–3 times a month

< 0.1

< 0.1

 1–6 times a week

< 0.1

< 0.1

 Everyday

< 0.1

< 0.1

Organic solvents

N = 63,471

 No

92.9

91.1

0.27

 1–3 times a month

5.4

7.2

 1–6 times a week

1.4

1.4

 Everyday

0.3

0.3

Chlorine bleach, germicide

N = 64,016

 No

81.1

73.7

0.27

 1–3 times a month

13.2

19.7

 1–6 times a week

4.9

5.8

 Everyday

0.8

0.8

Kerosene, petroleum, benzene, gasoline

N = 63,778

 No

90.2

84.2

0.26

 1–3 times a month

7.7

12.5

 1–6 times a week

2.0

3.2

 Everyday

0.1

0.1

Insecticide

N = 63646

 No

94.3

91.9

0.21

 1–3 times a month

4.8

7.0

 1–6 times a week

0.9

1.0

 Everyday

0.1

0.1

Herbicide

N = 62837

 No

99.4

98.9

0.19

 1–3 times a month

0.6

1.1

 1–6 times a week

< 0.1

< 0.1

 Everyday

< 0.1

< 0.1

Engine oil

N = 63519

 No

99.0

99.2

0.18

 1–3 times a month

0.7

0.6

 1–6 times a week

0.2

0.2

 Everyday

0.1

0.1

Mercury

N = 63,288

 No

99.7

99.4

0.07

 1–3 times a month

0.3

0.5

 1–6 times a week

< 0.1

< 0.1

 Everyday

< 0.1

< 0.1

Agricultural chemical not listed above or unidentified

N = 64,388

 No

99.8

No data

 

 1–3 times a month

0.1

 1– 6 times a week

< 0.1

 Everyday

< 0.1

Other chemical substances

N = 64,313

 No

99.1

No data

 

 1–3 times a month

0.2

 1–6 times a week

0.4

 Everyday

0.3

  1. The questionnaire intended to be administered during the first trimester (MT1) and that during the second/third trimester (MT2)
  2. N number of valid responses