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Table 4 Incorporated SEIs, area-based SES, and breast cancer stage at diagnosis

From: Breast cancer stage at diagnosis and area-based socioeconomic status: a multicenter 10-year retrospective clinical epidemiological study in China

Variable by level

Mean ± SD

Included Provinces

Total

Stage 0&I

Stage II

Stage III&IV

Unavailable

Chi-square for trend

P-value

    

N (%)

N (%)

N (%)

N (%)

  

GDP per capita (1)

         

Highest

36146 ± 17217

Beijing

641

179 (27.9)

280 (43.7)

95 (14.8)

87 (13.6)

80.79

< 0.001

High

20774 ± 9006

Liaoning, Guangdong, Zhejiang

2024

349 (17.1)

805 (39.4)

417 (20.4)

471 (23.1)

  

Low

8704 ± 3986

Hunan, Shannxi, Sichuan

1528

174 (11.4)

806 (52.7)

389 (25.5)

159 (10.4)

  

HSE percentage (2)

         

Highest

6.11 ± 0.73

Beijing, Zhejiang

1247

278 (22.3)

519 (41.6)

252 (20.2)

198 (15.9)

3.307

0.081

High

4.42 ± 0.57

Guangdong, Sichuan

1103

124 (11.2)

479 (43.5)

287 (26.0)

213 (19.3)

  

Low

3.49 ± 0.70

Liaoning, Hunan, Shannxi

1861

300 (16.1)

893 (48.0)

362 (19.5)

306 (16.4)

  

PU/PR ratio (3)

         

Highest

5.39 ± 0.22

Beijing

641

179 (27.9)

280 (43.7)

95 (14.8)

87 (13.6)

72.00

< 0.001

Higher

1.67 ± 0.09

Guangdong

604

106 (17.5)

243 (40.2)

137 (22.7)

118 (19.6)

  

High

1.39 ± 0.08

Liaoning, Zhejiang

1438

243 (16.9)

562 (39.1)

280 (19.5)

353 (24.5)

  

Low

0.62 ± 0.08

Hunan, Shannxi, Sichuan

1528

174 (11.4)

806 (52.7)

389 (25.5)

159 (10.4)

  

FPI percentage (4)

         

Highest

16.97 ± 3.55

Zhejiang, Shannxi, Sichuan

1588

194 (12.2)

645 (40.6)

490 (30.9)

259 (16.3)

135.83

< 0.001

High

10.60 ± 2.62

Hunan, Guangdong

1150

185 (16.1)

643 (55.9)

193 (16.8)

129 (11.2)

  

Low

7.21 ± 1.57

Beijing, Liaoning,

1473

323 (21.9)

603 (40.9)

218 (14.8)

329 (22.4)

  

Area-based SES (5)

         

Highest

-

Beijing

641

179 (27.9)

280 (43.7)

95 (14.8)

87 (13.6)

80.79

< 0.001

High

-

Liaoning, Guangdong, Zhejiang

2024

349 (17.1)

805 (39.4)

417 (20.4)

471 (23.1)

  

Low

-

Hunan, Shannxi, Sichuan

1528

174 (11.4)

806 (52.7)

389 (25.5)

159 (10.4)

  
  1. (1): GDP per capita: yuan per person per year (mean ± SD, 1999-2008)
  2. (2): percentage of health-services expenditure in the regional/province public affairs general budget (%) (mean ± SD, 1999-2008)
  3. (3): ratio of urban to rural population (mean ± SD, 2005-2008) (data is available in the National Bureau of Statistics of the People's Republic of China only for 2005 to 2008)
  4. (4): percentage of illiteracy among women aged 15 and over (%) (mean ± SD, 1999-2008)
  5. (5): Area-based SES is a composite measure synthesized by cluster analysis of the four SEIs
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BMC Cancer

ISSN: 1471-2407

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