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Table 1 Basic information for studies included in quantitative analyses of absolute eczematous populations and prevalence time trends

From: Time-trends for eczema prevalences among children and adults from 1985 to 2015 in China: a systematic review

Year

Age (year-old)

Location and Inspection method

City: Sample size (response rate)

Prevalence, n (%)

[Reference]

1987

7-15

School; Student/parent-reported

Taichung, Taiwan: 37801 (78.0)

Ever: 420 (1.11); Current: 333 (0.88)

[8]

1994

7-15

School; Student/parent-reported

Taichung, Taiwan: 75960 (83.0)

Ever: 1428 (1.9); Current:1155 (1.5)

[8]

1994

6-7

Elementary school; Parent-reported

Taipei, Taiwan: 4806 (NA)

Ever: 1149 (23.9); Past year: 197 (4.1)

[9]

1995

13-14

Secondary school; Parent-reported

Hong Kong: 4667 (97.0)

Ever: 707 (15.0); Past year: 210 (4.5)

[15]

1995

13-14

School; Student-reported

Beijing: 4167 (99.0)

Guangzhou: 3855 (99.6);

Urumqi: 3207 (98.0);

Shanghai: 3483 (99.0);

Chongqing: 4296 (99.0)

Beijing: Ever: 429 (10.3); Past year: 958 (2.3).

Guangzhou: Ever: 705 (18.3); Past year: 50 (1.3).

Urumqi: Ever: 196 (6.1); Past year: 67 (2.1).

Shanghai: Ever: 240 (6.9); Past year: 42 (1.2).

Chongqing: Ever: 434 (10.1); Past year: 86 (2.0)

[16]

1995

6-7

Primary school; Parent-reported

Hong Kong: 3618 (97.0)

Ever: 1017 (28.1); Past year: 152 (4.2)

[17]

1996

6-7

Primary school; Parent-reported

Beijing: 4080 (99.2);

Urumqi: 3588 (98.6)

Beijing: Ever: 155 (3.8); Past year: 114 (2.8).

Urumqi: Ever: 126 (3.5); Past year: 72 (2.0)

[18]

1996

12-15

Middle school; Parent-reported

Taiwanc: 42919 (86.9)

Past year: 10472 (2.4)

[11]

2001

12-15

Middle school; Parent-reported

Taiwanc: 10215 (87.0)

Past year: 412 (4.0)

[11]

2001

13-14

School; Student-reported

Beijing: 3531 (99.0)

Ever: 434 (12.3); Past year: 64 (1.8)

[24]

2001

13-14

School; Student-reported

Guangzhou: 3675 (96.0)

Ever: 620 (17.6)

[25]

2001

13-14

Junior high-school; Student-reported

Lhasa, Tibet: 3190 (100.0)

Ever: 45 (1.4); Past year: 12 (0.4)

[26]

2002

13-14

Secondary school; Parent-reported

Hong Kong: 3321 (99.0)

Ever: 421 (13.0); Past year: 120 (3.6)

[29]

2002

6-7

Elementary school; Parent-reported

Taipei, Taiwan: 4832 (NA)

Ever: 1271 (26.3); Past year: 411 (8.5)

[9]

2002

6-7

Primary school; Parent-reported

Hong Kong: 4448 (95.0)

Ever: 1366 (30.7); Past year: 187 (4.2)

[27]

2002

7-15

School; Student/parent-reported

Taichung, Taiwan: 11580 (81.0)

Ever: 388 (3.4); Current: 322 (2.8)

[8]

2005a

6-13

Elementary school; Parent-reported

Harbin: 2900 (NA);

Shanghai: 4395 (NA);

Guangzhou: 3094 (NA);

Xi'an: 1653 (NA);

Wuhan: 2061 (NA);

Chengdu: 2848 (NA);

Hohhot: 2025 (NA);

Urumqi: 2033 (NA)

Harbin: Past year: 136 (4.7).

Shanghai: Past year: 286 (6.5).

Guangzhou: Past year: 167 (5.4).

Xi'an: Past year: 73 (4.4).

Wuhan: Past year: 126 (6.1).

Chengdu: Past year: 122 (4.3).

Hohhot: Past year: 130 (6.4).

Urumqi: Past year: 120 (5.9).

[35]

2007

6-7

Elementary school; Parent-reported

Taipei, Taiwan: 24999 (94.6)

Ever: 7450 (29.8); Past year: 2675 (10.7)

[9]

2009

0-14

School/kindergarten; Parent-reported

Beijing: 10372 (98.6);

Chongqing: 9846 (97.21);

Guangzhou: 4072 (90.9)

Beijing: Ever: 2141 (20.6).

Chongqing: Ever: 1085 (10.0).

Guangzhou: Ever: 294 (7.2).

[7]

2012

3-6

School/kindergarten; Parent-reported

Harbin: 2506 (64.1);

Urumqi: 4618 (81.7);

Beijing: 5876 (65.0);

Shanghai: 15266 (85.3);

Nanjing: 4014 (65.7);

Xi'an: 2020 (83.5);

Taiyuan: 3700 (82.2);

Wuhan: 2193 (91.4);

Changsha: 2727 (59.0);

Chongqing: 5299 (74.5)

Harbin: Ever: 829 (33.1); Past year: 306 (12.2).

Urumqi: Ever: 707 (15.3); Past year: 614 (13.3).

Beijing: Ever: 2039 (34.7); Past year: 928 (15.8).

Shanghai: Ever: 3572 (23.4); Past year: 2122 (13.9).

Nanjing: Ever: 1140 (28.4); Past year: 429 (10.7).

Xi'an: Ever: 586 (29.0); Past year: 166 (8.2).

Taiyuan: Ever: 503 (13.6); Past year: 178 (4.8).

Wuhan: Ever: 570 (26.0); Past year: 184 (8.4).

Changsha: Ever: 815 (29.9); Past year: 265 (9.7).

Chongqing: Ever: 1611 (30.4); Past year: 684 (12.9).

[5]

2015

7-12

School; Student/parent-reported

Guangzhou: 5542 (94.3)

Ever: 1890 (34.1)

[44]

2010 b

15-86

home-interview, participant-reported and examined by dermatologists [101]

Beijing: 1443 (NA);

Shanghai: 6036 (NA);

Guangzhou: 1675 (NA)

Beijing: Current dermatitis: contact: 47 (3.3); seborrheic: 29 (2.0); atopic: 22 (1.5).

Shanghai: Current dermatitis: contact: 192 (3.2); seborrheic: 75 (1.2); atopic: 38 (0.6).

Guangzhou: Current dermatitis: contact: 85 (5.1); seborrheic: 60 (3.6); atopic: 35 (2.1).

[74]

  1. a The response rate for the whole study was 92.5% and The response rate for each city was not available (NA)
  2. b The response rate was not available (NA)