Table 2 Overall and subgroup incidences of ADI

Overall

20,134/911240 (n = 35)

2.04

1.48–2.79

0.53

0.38–0.73

15,062.69 (0.000)

 Male

3428/196522 (n = 15)

2.22

1.30–3.77

0.58

0.34–0.98

3382.42 (0.000)

 Female

3234/202362 (n = 15)

2.00

1.18–3.37

0.52

0.31–0.88

3074.44 (0.000)

 0–4

3832/43463 (16)

5.51

3.76–8.01

1.43

0.98–2.08

1562.38 (< 0.0001)

 5–14

3095/103720 (16)

2.10

1.38–3.18

0.55

0.36–0.83

1570.99 (< 0.0001)

 ≥15

10,325/496007 (16)

2.01

1.28–3.14

0.52

0.33–0.82

1808.43 (< 0.0001)

 1980–1989

12,142/243664 (n = 11)

3.17

2.23–4.49

0.82

0.60–1.27

2378.81 (0.000)

 1990–1999

1524/94874 (n = 3)

1.89

0.86–4.13

0.49

0.22–1.07

476.52 (0.000)

 2000–2012

6066/506591 (n = 19)

1.84

1.34–2.53

0.48

0.35–0.66

2596.51 (0.000)

 Urban

2510/267115 (n = 14)

1.28

0.80–2.06

0.33

0.21–0.54

1740.58 (0.000)

 Rural

9445/486495 (n = 27)

1.94

1.38–2.72

0.50

0.36–0.71

6937.73 (0.000)

 East

4800/415033 (n = 20)

1.48

1.11–1.97

0.38

0.29–0.51

1761.12 (0.000)

 Central

2704/109382 (n = 4)

1.85

0.75–4.46

0.48

0.20–1.16

1054.45 (0.000)

 West

4616/248613 (n = 11)

2.64

1.32–5.22

0.69

0.34–1.36

5396.89 (0.000)

 South

7107/580306 (n = 25)

1.61

1.18–2.21

0.42

0.47–0.55

4179.49 (0.000)

 North

5013/192722 (n = 10)

2.52

1.37–4.58

0.66

0.36–1.19

3737.22 (0.000)

 Spring

1885/135064 (n = 9)

0.82

0.41–1.63

0.20

0.11–0.42

1275.56 (0.000)

 Summer

15,131/440994 (n = 26)

2.33

1.71–3.16

0.61

0.44–0.82

6823.59 (0.000)

 Autumn

1214/113349 (n = 9)

1.02

0.70–1.49

0.27

0.18–0.39

329.64 (0.000)

 Winter

1080/132643 (n = 12)

0.94

0.77–1.15

0.24

0.20–0.30

95.50 (0.000)