Table 1. List of Survey Hospitals.

From: Prevalence of Allergic Diseases across All Ages in Japan: A Nationwide Cross-Sectional Study Employing Designated Allergic Disease Medical Hospital Network

Hospital Prefecture Participants for analysis Hospital Prefecture Participants for analysis
Hokkaido University Hospital Hokkaido 229 Aichi Children’s Health and Medical Center Aichi 75
Hirosaki University Hospital Aomori 109 Fujita Health University Bantane Hospital Aichi 926
NHO Morioka National Hospital Iwate 109 Fujita Health University Hospital Aichi 73
Tohoku University Hospital Miyagi 23 NHO Mie National Hospital Mie 383
Miyagi Children’s Hospital Miyagi 32 Mie University Hospital Mie 33
Yamagata University Hospital Yamagata 101 Shiga Medical Center for Children Shiga 122
Fukushima Medical University Hospital Fukushima 58 Kansai Medical University Hospital Osaka 90
Dokkyo Medical University Hospital Tochigi 100 Osaka Habikino Medical Center Osaka 424
Gunma University Hospital Gunma 183 Osaka Red Cross Hospital Osaka 201
Saitama Medical University Hospital Saitama 116 Kobe University Hospital Hyogo 301
Chiba University Hospital Chiba 495 The Hospital of Hyogo College of Medicine Hyogo 35
National Center for Child Health and Development Tokyo 1,114 Hyogo Prefectural Kobe Children’s Hospital Hyogo 39
Tokyo Medical and Dental University Medical Hospital Tokyo 101 Nara Medical University Hospital Nara 1,280
Tokyo Metropolitan Children’s Medical Center Tokyo 309 Japanese Red Cross Wakayama Medical Center Wakayama 290
NHO Sagamihara National Hospital Kanagawa 295 Tottori University Hospital Tottori 252
Kanagawa Children’s Medical Center Kanagawa 23 Okayama University Hospital Okayama 904
Niigata University Medical & Dental Hospital Niigata 363 NHO Minami-Okayama Medical Center Okayama 453
Toyama Prefectural Central Hospital Toyama 88 Hiroshima University Hospital Hiroshima 1,083
Toyama University Hospital Toyama 840 Yamaguchi University Hospital Yamaguchi 455
Kanazawa University Hospital Ishikawa 741 Tokushima University Hospital Tokushima 324
University of Fukui Hospital Fukui 653 Kagawa University Hospital Kagawa 20
University of Yamanashi Hospital Yamanashi 434 Ehime University Hospital Ehime 369
Shinshu University Hospital Nagano 205 Kochi Medical School Hospital Kochi 498
Nagano Children’s Hospital Nagano 480 NHO Fukuoka National Hospital Fukuoka 708
Gifu University Hospital Gifu 486 Saga University Hospital Saga 83
IUHW Atami Hospital Shizuoka 3 Kumamoto University Hospital Kumamoto 68
Juntendo University Shizuoka Hospital Shizuoka 841 Oita University Hospital Oita 427
Shizuoka General Hospital Shizuoka 109 University of Miyazaki Hospital Miyazaki 26
Hamamatsu Medical Center Shizuoka 32 Kagoshima University Hospital Kagoshima 92
Table 2. Prevalence of a History of Allergic Disease at Each Age.

From: Prevalence of Allergic Diseases across All Ages in Japan: A Nationwide Cross-Sectional Study Employing Designated Allergic Disease Medical Hospital Network

Age n Male/female Bronchial asthma Atopic dermatitis Food allergy Allergic rhinitis Allergic conjunctivitis Metal allergy Drug allergy
Total 18,706 8175/10531 14.7% (14.2-15.2) 15.6% (15.0-16.1) 15.2% (14.7-15.7) 47.4% (46.6-48.1) 19.5% (18.9-20.1) 1.9% (1.7-2.1) 4.6% (4.3-4.9)
Age (years)
0-4 1,254 656/598 9.5% (7.9-11.2) 13.5% (11.6-15.5) 13.0% (11.2-15.0) 7.6% (6.2-9.3) 2.7% (1.9-3.8) 0% 0.6% (0.3-1.3)
5-9 1,378 708/670 15.6% (13.7-17.6) 19.6% (17.5-21.8) 18.0% (16.0-20.1) 30.6% (28.1-33.1) 13.7% (11.9-15.6) 0% 1.4% (0.8-2.1)
10-14 1,256 631/625 14.3% (12.4-16.4) 19.7% (17.6-22.1) 19.3% (17.2-21.6) 49.8% (47.0-52.6) 21.6% (19.3-24.0) 0.2% (0-0.6) 1.4% (0.8-2.2)
15-19 980 479/501 18.4% (16.0-20.9) 16.9% (14.6-19.4) 16.9% (14.6-19.4) 53.4% (50.2-56.5) 21.0% (18.5-23.7) 0.2% (0-0.7) 3.0% (2.0-4.2)
20-24 1,068 336/732 13.8% (11.7-16.0) 18.4% (16.1-20.8) 18.4% (16.2-20.9) 55.6% (52.6-58.6) 19.4% (17.1-21.9) 1.0% (0.1-1.8) 3.6% (2.5-4.9)
25-29 1,544 501/1,043 16.7% (14.9-18.7) 21.0% (19.0-23.1) 19.4% (17.5-21.5) 58.0% (55.5-60.4) 20.5% (18.5-22.6) 1.7% (1.1-2.5) 4.2% (3.3-5.3)
30-34 1,510 648/862 17.0% (15.1-18.9) 19.5% (17.5-21.6) 17.7% (15.9-19.8) 54.6% (52.0-57.1) 21.6% (19.0-23.2) 1.7% (1.1-2.4) 5.0% (3.9-6.2)
35-39 1,573 691/882 18.7% (16.9-20.8) 20.7% (18.7-22.7) 15.8% (14.0-17.7) 55.7% (53.2-58.2) 25.2% (23.1-27.5) 2.5% (1.8-3.4) 5.0% (3.9-6.2)
40-44 1,669 704/965 17.2 (15.4-19.1) 19.9% (18.0-21.9) 17.0% (15.2-18.8) 59.3% (56.9-61.6) 28.1% (26.0-30.3) 4.2% (3.3-5.3) 6.7% (5.5-8.0)
45-49 1,736 752/984 15.9% (14.2-17.7) 13.5% (12.0-15.2) 13.5% (11.9-15.2) 56.0% (53.6-58.3) 25.9% (23.9-28.1) 3.8% (3.0-4.8) 7.3% (6.1-8.6)
50-54 1,419 583/836 13.2% (11.5-15.0) 10.9% (9.3-12.6) 13.7% (11.9-15.6) 52.9% (50.3-55.5) 23.5% (21.3-25.8) 3.2% (2.3-4.2) 7.0% (5.8-8.5)
55-59 1,193 504/689 12.5% (10.7-14.5) 8.8% (7.3-10.6) 11.4% (9.7-13.3) 48.9% (46.0-51.7) 21.8% (19.5-24.2) 3.2% (2.3-4.3) 7.0% (5.7-8.6)
60-69 1,151 603/548 10.9% (9.1-12.8) 6.8% (5.4-8.4) 9.3% (7.7-11.1) 44.3% (40.0-47.9) 13.5% (11.5-15.6) 2.3% (1.6-3.4) 6.4% (5.1-8.0)
70+ 975 379/596 7.5% (5.9-9.3) 1.4% (0.8-2.4) 5.1% (3.8-6.7) 38.1% (33.0-43.3) 4.2% (3.3-5.7) 1.0% (0.5-1.9) 4.1% (2.9-5.5)
Table 3. Overlap of Allergic Disease.

From: Prevalence of Allergic Diseases across All Ages in Japan: A Nationwide Cross-Sectional Study Employing Designated Allergic Disease Medical Hospital Network

Coexisted allergic diseases (numerators)
BA AD FAs pAR PO AC MAs DAs
Allergic diseases (denominator) BA
n = 2,747
- 33.2% 28.3% 50.0% 50.7% 31.9% 3.8% 9.0%
AD
n = 2,910
31.3% - 34.0% 45.7% 52.3% 33.2% 3.4% 6.8%
FAs
n= 2,837
27.4% 34.8% - 43.1% 57.9% 35.2% 3.6% 10.0%
pAR
n = 5,146
26.7% 25.8% 23.8% - 69.8% 39.4% 3.3% 7.2%
PO
n = 7,304
19.0% 20.8% 22.5% 49.1% - 39.8% 2.9% 6.7%
AC
n = 3 646
24.1% 26.5% 27.4% 55.7% 79.8% - 3.4% 8.8%
MAs
n = 363
28.9% 27.5% 28.6% 47.6% 60.3% 34.9% - 21.2%
DAs
n = 864
28.8% 22.9% 32.8% 43.4% 56.8% 37.3% 8.9% -
Table 4. History of Allergic Disease by Occupations.

From: Prevalence of Allergic Diseases across All Ages in Japan: A Nationwide Cross-Sectional Study Employing Designated Allergic Disease Medical Hospital Network

1) Male
Occupation n Age
mean (min-max)
Bronchial asthma Atopic dermatitis Food allergy Allergic rhinitis Allergic conjunctivitis Metal allergy Drug allergy
Nurse 167 34.1(21-60) 16.1% (10.9-22.6) 16.7% (11.4-23.3) 11.3% (7.0-17.2) 33.5% (26.4-41.2) 20.9% (15.1-27.9) 0% 5.9% (2.9-10.7)
Physician 932 43.2(24-84) 22.5% (19.8-25.2) 22.1% (19.5-24.9) 12.1% (10.1-14.4) 35.4% (32.3-38.6) 35.4% (32.3-38.6) 1.0% (0.4-1.8) 5.3% (4.0-7.0)
Clerk 291 44.6(21-69) 17.2% (1.3-2.2) 15.8% (11.8-20.5) 10.6% (7.4-14.8) 32.9% (27.6-38.7) 26.1% (21.2-31.6) 0.6% (0.1-2.5) 3.4% (1.7-6.2)
Medical technologist 102 43.3(23-72) 18.6% (11.6-27.6) 13.7% (7.7-22.0) 10.7% (5.5-18.5) 33.3% (24.3-43.4) 21.5% (14.0-30.8) 0% 2.9% (0.6-8.4)
Pharmacist 99 39.3(25-62) 21.1% (13.6-30.6) 24.2% (16.2-33.9) 13.1% (7.2-21.4) 32.3% (23.3-42.5) 28.2% (19.7-38.2) 1.0% (0-0.5) 8.0% (3.6-15.3)
Other 293 42.4(21-72) 18.8% (14.5-23.7) 18.7%(14.2-23.4) 13.6% (9.9-18.1) 37.5% (32.0-43.4) 26.5% (21.6-32.1) 1.3% (0.4-3.5) 7.1% (4.5-10.7)
2) Female
Occupation n Age mean
(min-max)
Bronchial Asthma Atopic Dermatitis Food allergy Allergic rhinitis Allergic conjunctivitis Metal allergy Drug allergy
Nurse 2453 37.6 (20-67) 17.7% (16.2-19.3) 20.0% (18.4-21.6) 14.9% (13.5-16.4) 36.8% (34.9-38.8) 28.5% (26.8-30.4) 3.9% (3.2-4.8) 9.9% (8.8-11.2)
Physician 459 38.2 (24-70) 18.0% (14.5-21.7) 20.2% (16.7-24.2) 14.5% (11.3-17.9) 32.0% (27.8-36.5) 35.5% (31.1-40.1) 3.7% (2.2-5.9) 8.9% (6.5-11.9)
Clerk 1004 44.5 (21-67) 19.5% (17.1-22.1) 21.0% (18.5-23.7) 17.3% (14.9-19.7) 36.9% (33.9-39.9) 36.0% (33.0-39.0) 7.3% (5.7-9.1) 9.6% (7.8-11.6)
Medical technologist 204 40.2 (22-67) 19.1% (14.0-25.2) 18.6% (13.5-24.7) 15.6% (11.0-21.4) 31.3% (25.1-38.2) 34.3% (27.8-41.3) 4.9% (2.4-8.8) 6.3% (3.4-10.7)
Pharmacist 164 36.0 (24-64) 15.8% (10.6-22.4) 18.2% (12.7-25.1) 14.6% (9.6-21.0) 35.3% (28.1-43.2) 33.5% (26.4-41.3) 1.8% (0.4-5.3) 6.7% (3.4-11.7)
Other 805 43.0 (17-80) 18.7% (16.0-21.5) 21.3% (18.5-24.2) 17.7% (15.1-20.5) 37.7% (34.3-41.1) 37.8% (34.4-41.2) 4.9% (0.5-6.6) 10.9% (8.9-13.3)
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