Site of survey [ref.]
|
Location
|
Age (Years)
|
Ethnic
|
Time
|
Number
|
Prevalence (%)
|
---|
| | | | | |
AS
|
PsA
|
ReA
|
uSpA
|
---|
Taiwan [4]
|
Island
|
≥17
|
Han
|
1974
|
5,629
|
0.2
| | | |
Beijing [9]
|
Rural
|
≥20
|
Han
|
1987
|
4,192
|
0.26
| | | |
Beijing [31]
|
Urban
|
≥16
|
Han
|
1999
|
1,982
|
0.3
|
0.10
| |
1.21
|
Taiyuan [40]
|
Urban
|
≥16
|
Han
|
2004
|
3,915
|
0.2
|
0.05
| |
0.64
|
Shandong [25]
|
Rural
|
≥16
|
Han
|
1996
|
5,055
|
0.22
|
0.04
|
0.02
| |
Shanghai [3]
|
Urban
|
≥16
|
Han
|
1992
|
2,010
|
0.20
| | | |
Taiwan [19]
|
Urban
|
≥20
|
Han
|
1992
|
3,000
|
0.4
| | | |
Taiwan [19]
|
Suburban
|
≥20
|
Han
|
1992
|
3,000
|
0.19
| | | |
Taiwan [19]
|
Rural
|
≥20
|
Han
|
1992
|
2,998
|
0.54
| | | |
Shantou [8]
|
Rural
|
≥16
|
Han
|
1985
|
10,647
|
0.20
| | | |
Shantou [9]
|
Rural
|
≥20
|
Han
|
1987
|
5,058
|
0.26
| | | |
Shantou [23]
|
Urban
|
≥16
|
Han
|
1995
|
2,040
|
0.2
| | | |
Shantou [30]
|
Suburban
|
≥16
|
Han
|
1999
|
2,029
|
0.3
|
0.05
| |
1.0
|
Military [35]
|
15 provinces
|
17 to 40a
|
11 ethnics
|
2000
|
20,068
|
0.24
| | | |
Heilongjiang [12]
|
Mountain
|
≥18
|
H and Mac
|
1989
|
2,311
|
0.09
| | | |
Changchun [6]
|
Factory
|
≥20b
|
H and Mac
|
1980
|
36,097
|
0.06
|
0.01
| | |
Ningxia [14]
|
Highland
|
≥18
|
H and Mud
|
1990
|
10,420
|
0.10
| | | |
- aAll male. bMale > female. cHan and Manchu. dHan and Muslin. AS, ankylosing spondylitis; PsA, psoriatic arthritis; ReA, reactive arthritis; uSpA, undifferentiated spondyloarthropathy.