{"study":"Zhu 2001a","lead_author":"Zhu","year":2001,"design":"C,B","effect_measure":"OR","estimate":1.2,"lower_ci":1.1,"upper_ci":1.3,"sample_size":18172}
{"study":"Zhu 2001b","lead_author":"Zhu","year":2001,"design":"C,W","effect_measure":"OR","estimate":1.3,"lower_ci":1.2,"upper_ci":1.4,"sample_size":65442}
{"study":"Zhu 1999","lead_author":"Zhu","year":1999,"design":"C","effect_measure":"OR","estimate":1.4,"lower_ci":1.3,"upper_ci":1.5,"sample_size":34966}
{"study":"Salihu 2012a","lead_author":"Salihu","year":2012,"design":"C","effect_measure":"OR","estimate":1.58,"lower_ci":1.4,"upper_ci":1.8}
{"study":"Salihu 2012b","lead_author":"Salihu","year":2012,"design":"C","effect_measure":"OR","estimate":2,"lower_ci":0.5,"upper_ci":7.9}
{"study":"Smith 2003","lead_author":"Smith","year":2003,"design":"C","effect_measure":"OR","estimate":1.6,"lower_ci":1.3,"upper_ci":2,"sample_size":19830}
{"study":"Shachar 2016","lead_author":"Shachar","year":2016,"design":"C","effect_measure":"OR","estimate":1.71,"lower_ci":1.7,"upper_ci":1.8,"sample_size":164312}
{"study":"Ball 2014","lead_author":"Ball","year":2014,"design":"C","effect_measure":"OR","estimate":1.41,"lower_ci":1.3,"upper_ci":1.5,"sample_size":17107}
{"study":"Coo 2017","lead_author":"Coo","year":2017,"design":"C","effect_measure":"OR","estimate":1.78,"lower_ci":1.6,"upper_ci":2,"sample_size":7316}
{"study":"Hanley 2017","lead_author":"Hanley","year":2017,"design":"C","effect_measure":"OR","estimate":1.5,"lower_ci":1.4,"upper_ci":1.7,"sample_size":41350}
{"study":"de Weger 2016","lead_author":"de Weger","year":2016,"design":"C","effect_measure":"OR","estimate":1.92,"lower_ci":1.8,"upper_ci":2.1,"sample_size":54471}