Fictitious dataset of four meta-analyses of cross-sectional studies assessing a risk factor for neurodevelopmental disorders.
df.ORThe dataset contains the following variables:
| meta_review | name of the first author of the meta-analysis. |
| factor | name of the neurodevelopmental disorders on which the effect of the risk factor |
| is studied | |
| author | first study author of the individual studies. |
| year | year of publication of the individual studies. |
| measure | type of effect size (OR). |
| value | OR value. |
| ci_lo | lower bound of the 95% confidence interval. |
| ci_up | upper bound of the 95% confidence interval. |
| n_cases | number of cases (sum of the number of cases in the exposed |
| and non-exposed groups). | |
| n_controls | number of controls (sum of the number of controls in the exposed |
| and non-exposed groups). | |
| n_exp | number of participants in the exposed group (sum of the number of cases and |
| controls in the exposed group). | |
| n_nexp | number of participants in the non-exposed group (sum of the number of cases |
| and controls in the non-exposed group). | |
| n_cases_exp | number of cases in the exposed group. |
| n_controls_exp | number of controls in the exposed group. |
| n_cases_nexp | number of cases in the non-exposed group. |
| n_controls_nexp | number of controls in the non-exposed group. |