Table 2 Odds ratio for hospital admissions for psychiatric disorders in primiparous mothers, 2001–2010, New South Wales, Australia

2001

34,816

1

2002

34,463

1.60

1.37

1.86

1.25

1.13

1.40

2003

35,091

1.31

1.12

1.53

1.55

1.40

1.72

2004

34,877

1.60

1.38

1.86

1.89

1.71

2.08

2005

36,157

3.08

2.69

3.54

2.07

1.88

2.28

2006

36,509

2.76

2.40

3.17

1.71

1.55

1.89

2007

38,379

2.56

2.23

2.94

1.59

1.43

1.75

2008

38,330

2.60

2.26

2.98

1.52

1.37

1.68

2009

38,960

2.49

2.17

2.86

1.51

1.37

1.67

2010

39,573

2.34

2.04

2.69

1.72

1.56

1.90