Table 3

Numbers of cases, relative risks (RR) and 95% confidence limits (CL) for other psychiatric conditions, by standard month of birth and sex.

Estimated gestational month in June 1967

Date of birth

Total, including unknown sex

Males

Females

Cases

RR¹

95% CL²

Cases

RR

95% CL¹

Cases

RR

95% CL¹

1

Feb 1968

3

0.73

0.23–2.34

3

1.11

0.34–3.64

0

-

-

2

Jan 1968

3

0.60

0.19–1.92

2

0.61

0.15–2.52

1

0.57

0.08–4.25

3

Dec 1967

9

** 2.51

1.22–5.17

4

1.82

0.63–5.24

5

*** 3.55

1.31–9.65

4

Nov 1967

1

0.22

0.03–1.61

0

-

-

1

0.51

0.07–3.77

5

Oct 1967

4

1.02

0.37–2.87

1

0.46

0.06–3.39

3

1.76

0.52–5.93

6

Sept 1967

3

0.90

0.28–2.92

1

0.63

0.09–4.71

2

1.14

0.27–4.87

7

Aug 1967

6

1.56

0.67–3.65

3

1.20

0.37–3.91

3

2.25

0.66–7.69

8

Jul 1967

5

1.04

0.42–2.60

4

1.81

0.64–5.13

1

0.38

0.05–2.79

9

Jun 1967

10

* 1.97

1.01–3.85

6

1.89

0.80–4.46

4

2.11

0.73–6.10

Comparison group (all others)

1964–76

633

1

reference

363

1

reference

270

1

reference

1. Adjusted for paternal age (continuous), maternal age (30–34, 35+ versus all others), low social class (father's occupation group 5,6 versus 1–4), years married and month of birth. 2. Additionally adjusted for sex. * p < .05; **p < .02 *** p < .003.

Malaspina et al. BMC Psychiatry 2008 8:71   doi:10.1186/1471-244X-8-71