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Table 4 number and percentage of all census areas (US counties) having statistically significantly different estimates for the same geographic areas across consecutive and non-consecutive multi-year data cycles (95 % confidence level)

From: Reliability of the American Community Survey for unintentional drowning and submersion injury surveillance: a comprehensive assessment of 10 socioeconomic indicators derived from the 2006–2013 annual and multi-year data cycles

 

ACS 3-year data cycles

ACS 5-year data cycles

 

Maximum overlap

Minimum overlap

Maximum overlap

Miximum overlap

 

2009 vs 2010

2010 vs 2011

2011 vs 2012

2012 vs 2013

2009 vs 2011

2010 vs 2012

2011 vs 2013

2009 vs 2010

2010 vs 2011

2011 vs 2012

2012 vs 2013

2009 vs 2013

 

N

%

N

%

N

%

N

%

N

%

N

%

N

%

N

%

N

%

N

%

N

%

N

%

US residency less than 5 years

132

7.1

146

7.9

131

7.1

130

7.0

113

6.1

100

5.4

69

3.7

267

8.5

340

10.8

268

8.5

321

10.2

165

5.2

College/postgraduate degree

167

9.0

126

6.8

136

7.4

168

9.1

162

8.7

171

9.2

206

11.0

464

14.8

311

9.9

320

10.2

367

11.7

713

22.7

High school graduates

258

14.0

136

7.4

117

6.3

152

8.2

197

10.7

125

6.8

244

13.2

430

13.7

434

13.8

376

12.0

275

8.7

570

18.1

African American

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

Hispanic

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

Non-white

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

Gini coefficient

93

5.0

98

5.3

115

6.2

131

7.1

339

18.4

376

376

20.3

150

8.1

166

5.3

217

6.9

247

321

10.2

166

5.3

Median household income

168

9.1

139

7.5

130

7.0

155

8.4

489

26.5

1144

61.9

175

9.5

543

17.3

705

22.4

356

11.3

266

8.5

797

25.4

Unemployment

766

41.4

656

35.5

243

13.1

1642

88.8

973

52.7

497

26.9

1303

70.5

975

31.0

875

27.8

658

20.9

2928

93.2

2601

82.8

County population

1351

73.1

681

36.8

685

37.0

664

35.9

1281

69.4

813

44.0

805

43.5

2366

75.3

1253

39.9

1233

39.2

1205

38.3

2104

66.9