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Table 2 Ancestor Space-time Cluster Results

From: Evidence of transgenerational effects on autism spectrum disorder using multigenerational space-time cluster detection

Relative

Developmental window

Cluster number

Time range

Observed/expected

RR

P-value

Bonferroni correction

Area km2

Percent street location (%)

Cohort effect

Census rural/urban classifications

Mother

Birth

1

1966–1995

1557/1326.20

1.31

0.0001

1.0E−7

2286

93

542 → Cluster 4

Urban

2

1959–1984

409/560

0.70

0.0001

1.0E−7

122

93

0

Rural

3

1972–1983

18/48

0.37

0.034

3.4E−5

 

93

0

Rural

Childhood

4

1955–2000

1272/1059

1.2

0.0001

4.0E−7

1633

93

542 ← Cluster 1

Urban

Maternal grandmother

Birth

5

1957–1975

203/140

1.49

0.0004

1.9E−5

226

91

0

Rural

6

1951–1961

68/119

0.55

0.0023

2.3E−6

408

91

0

Urban

Childhood

7

1940–1957

58/78

0.34

0.0003

3.0E−7

482

91

53 → Cluster 8

Rural

Adolescence

8

1960–1989

1/16

0.06

0.029

2.9E−5

940

100

53 ← Cluster 7

Rural

Maternal grandfather

Birth

9

1946–1973

711/583

1.36

0.0001

1.0E−7

3247

91

3 → Cluster 10

Rural/Urban

Childhood

10

1931–1983

696/597

1.32

0.0009

9.0E−7

2336

89

3 ← Cluster 9

Urban

Father

Birth

11

1952–1994

2029/1796

1.27

0.0001

1.0E−7

4248

93

431 → Cluster 13

Urban

12

1956–1981

614/757

0.77

0.00004

4.0E−8

25,943

93

10 → Cluster 14

Rural

Childhood

13

1953–2002

899/749

1.31

0.0000

1.0E−7

1661

92

431 ← Cluster 11

Urban

14

1968–1987

212/291

0.70

0.0065

6.5E−6

14,733

92

10 ← Cluster 12

Rural

Paternal grandmother

Birth

15

1951–1957

24/8

2.74

0.002

2.0E−6

24

91

0

Urban

16

1956–1957

17/5.7

2.96

0.01

1.0E−6

8

91

91%

Urban

17

1953–1963

15/5.1

2.96

0.049

4.9E−5

14

91

0

Urban

18

1952–1954

24/8.5

2.86

0.002

2.0E−6

132

91

0

Urban

19

1931–1969

805/702

1.28

0.004

4.0E−6

681

91

0

Urban

Paternal grandfather

Childhood

20

1935–1969

311/242

1.36

0.025

2.5E−5

98

89

0

Urban

  1. Statistical significance of each cluster was measured at p < 0.05 using Monte Carlo simulation