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Table 4 Selected maternal plasma specific IgE titers during pregnancy

From: Allergic profiles of mothers and fathers in the Japan Environment and Children’s Study (JECS): a nationwide birth cohort study

   

Maternal age at delivery

   

Total

<25

25-30

30-35

> = 35

   

N

%

N

%

N

%

N

%

N

%

Mother IgE sensitization to any allergens

 

Yes

 

65569

73.9%

6230

74.1%

18123

74.1%

23572

74.5%

17644

72.9%

Der p 1

 

<0.35

class0

47031

53.0%

4098

48.7%

12553

51.3%

16734

52.9%

13646

56.4%

 

0.35-0.69

class1

4953

5.6%

508

6.0%

1369

5.6%

1779

5.6%

1297

5.4%

 

0.70-3.49

class2

10124

11.4%

908

10.8%

2697

11.0%

3568

11.3%

2951

12.2%

 

3.50-17.49

class3

14151

15.9%

1181

14.0%

3755

15.3%

5284

16.7%

3931

16.2%

 

17.50-49.99

class4

8382

9.4%

996

11.8%

2649

10.8%

2984

9.4%

1753

7.2%

 

50.00-99.99

class5

3037

3.4%

491

5.8%

1069

4.4%

988

3.1%

489

2.0%

 

> = 100

class6

1064

1.2%

226

2.7%

373

1.5%

322

1.0%

143

0.6%

  

Total

88742

100.0%

8408

100.0%

24465

100.0%

31659

100.0%

24210

100.0%

Japanese cedar

 

<0.35

class0

39354

44.4%

3869

46.0%

10821

44.2%

13749

43.4%

10915

45.1%

 

0.35-0.69

class1

4125

4.6%

413

4.9%

1090

4.5%

1467

4.6%

1155

4.8%

 

0.70-3.49

class2

12357

13.9%

1132

13.5%

3465

14.2%

4376

13.8%

3384

14.0%

 

3.50-17.49

class3

17686

19.9%

1424

16.9%

4707

19.2%

6523

20.6%

5032

20.8%

 

17.50-49.99

class4

10385

11.7%

977

11.6%

2970

12.1%

3754

11.9%

2684

11.1%

 

50.00-99.99

class5

3608

4.1%

393

4.7%

1048

4.3%

1381

4.4%

786

3.2%

 

> = 100

class6

1211

1.4%

199

2.4%

360

1.5%

402

1.3%

250

1.0%

  

Total

88726

100.0%

8407

100.0%

24461

100.0%

31652

100.0%

24206

100.0%

Egg white

 

<0.35

class0

87822

99.0%

8298

98.7%

24221

99.0%

31321

98.9%

23982

99.1%

 

0.35-0.69

class1

616

0.7%

75

0.9%

164

0.7%

224

0.7%

153

0.6%

 

0.70-3.49

class2

282

0.3%

33

0.4%

74

0.3%

103

0.3%

72

0.3%

 

3.50-17.49

class3

14

0.0%

2

0.0%

3

0.0%

8

0.0%

1

0.0%

 

17.50-49.99

class4

1

0.0%

0

0.0%

1

0.0%

0

0.0%

0

0.0%

 

50.00-99.99

class5

0

0.0%

0

0.0%

0

0.0%

0

0.0%

0

0.0%

 

> = 100

class6

1

0.0%

0

0.0%

1

0.0%

0

0.0%

0

0.0%

  

Total

88736

100.0%

8408

100.0%

24464

100.0%

31656

100.0%

24208

100.0%

Animal dander

 

<0.35

class0

70494

79.5%

6251

74.4%

18873

77.2%

25191

79.6%

20179

83.4%

 

0.35-0.69

class1

5808

6.5%

571

6.8%

1702

7.0%

2140

6.8%

1395

5.8%

 

0.70-3.49

class2

8411

9.5%

991

11.8%

2584

10.6%

3009

9.5%

1827

7.5%

 

3.50-17.49

class3

2979

3.4%

422

5.0%

982

4.0%

978

3.1%

597

2.5%

 

17.50-49.99

class4

746

0.8%

124

1.5%

241

1.0%

226

0.7%

155

0.6%

 

50.00-99.99

class5

198

0.2%

30

0.4%

58

0.2%

74

0.2%

36

0.1%

 

> = 100

class6

80

0.1%

16

0.2%

21

0.1%

32

0.1%

11

0.0%

  

Total

88716

100.0%

8405

100.0%

24461

100.0%

31650

100.0%

24200

100.0%

Moth

 

<0.35

class0

63857

72.0%

5826

69.3%

17490

71.5%

22859

72.2%

17682

73.1%

 

0.35-0.69

class1

8079

9.1%

788

9.4%

2169

8.9%

2880

9.1%

2242

9.3%

 

0.70-3.49

class2

13113

14.8%

1345

16.0%

3742

15.3%

4621

14.6%

3405

14.1%

 

3.50-17.49

class3

3519

4.0%

420

5.0%

1018

4.2%

1245

3.9%

836

3.5%

 

17.50-49.99

class4

152

0.2%

26

0.3%

42

0.2%

45

0.1%

39

0.2%

 

50.00-99.99

class5

1

0.0%

0

0.0%

0

0.0%

1

0.0%

0

0.0%

 

> = 100

class6

0

0.0%

0

0.0%

0

0.0%

0

0.0%

0

0.0%

  

Total

88721

100.0%

8405

100.0%

24461

100.0%

31651

100.0%

24204

100.0%