Birth defect | Study area | Fixed-Effects Model Summary OR (95 % CI) | Random-Effects Model Summary OR (95% CI) | Q-statistic/P-value* |
---|---|---|---|---|
Anencephalus | Norway 2002 | 1.13 (0.74–1.73) | 1.15 (0.56–2.36) | 7.55/0.056 |
California 2003 (1) | ||||
California 2003 (2) | ||||
Taiwan 2008 | ||||
Norway 2002 | 0.85 (0.51–1.43) | 0.91 (0.40–2.51) | 4.23/0.121 | |
California 2003 (1) | ||||
California 2003 (2) | ||||
Norway 2002 | 0.98 (0.61–1.59) | 0.98 (0.38–2.51) | 6.19/0.045 | |
California 2003 (1) | ||||
Taiwan 2008 | ||||
Norway 2002 | 1.73 (1.01–2.96) | 1.73 (1.01–2.96) | 0.96/0.619 | |
California 2003 (2) | ||||
Taiwan 2008 | ||||
Cleft palate | Norway 2002 | 1.00 (0.87–1.15) | 1.10 (0.82–1.48) | 4.50/0.212 |
California 2003 (2) | ||||
Taiwan 2008 | ||||
England and Wales 2007 | ||||
Norway 2002 | 1.43 (0.97–2.10) | 1.43 (0.97–2.10) | 0.74/0.690 | |
California 2003 (2) | ||||
Taiwan 2008 | ||||
Norway 2002 | 0.95 (0.83–1.10) | 0.95 (0.83–1.10) | 0.05/0.976 | |
California 2003 (2) | ||||
England and Wales 2007 | ||||
California 2003 (2) | 1.00 (0.87–1.15) | 1.13 (0.77–1.66) | 4.49/0.106 | |
Taiwan 2008 | ||||
England and Wales 2007 | ||||
Cleft lip with/without palate | Norway 2002 | 0.95 (0.85–1.06) | 0.95 (0.85–1.06) | 2.76/0.431 |
California 2003 (2) | ||||
Taiwan 2008 | ||||
England and Wales 2007 | ||||
Norway 2002 | 1.00 (0.78–1.27) | 1.01 (0.75–1.37) | 2.58/0.276 | |
California 2003 (2) | ||||
Taiwan 2008 | ||||
Norway 2002 | 0.95 (0.84–1.06) | 0.97 (0.76–1.24) | 2.71/0.258 | |
California 2003 (2) | ||||
England and Wales 2007 | ||||
California 2003 (2) | 0.96 (0.86–1.07) | 0.98 (0.82–1.15) | 2.54/0.281 | |
Taiwan 2008 | ||||
England and Wales 2007 | ||||
Ventricular septal defects | Norway 2002 | 1.59 (1.21–2.07) | 1.59 (1.21–2.07) | 0.74/0.692 |
Taiwan 2008 | ||||
England and Wales 2007 | ||||
Norway 2002 | 1.81 (1.21–2.71) | 1.81 (1.21–2.71) | 0.0001/0.99 | |
Taiwan 2008 | ||||
Hydrocephalus | Sweden 2000 | 0.95 (0.59–1.50) | 1.21 (0.52–2.81) | 3.76/0.152 |
Norway 2002 | ||||
Taiwan 2008 | ||||
Obstructive urinary tract defects | Norway 2002 | 1.61 (0.85–3.03) | 1.61 (0.85–3.03) | 0.22/0.638 |
Taiwan 2008 | ||||
Atrial septal defects | Norway 2002 | 0.97 (0.61–1.52) | 0.97 (0.61–1.52) | 0.30/0.59 |
Taiwan 2008 |