{"vid":"V99","name":"birth_wt_low","file_id":"F2","var_dcml":"0","var_intrvl":"discrete","labl":"birth_wt_low","var_val_range":[{"units":null,"min":"0","max":"1"}],"var_sumstat":[{"value":"1690","type":"vald"},{"value":"69","type":"invd"}],"var_catgry":[{"value":"0","labl":null,"stats":"1281","type":"freq"},{"value":"1","labl":null,"stats":"409","type":"freq"},{"value":"Sysmiss","labl":null,"stats":"69","type":"freq"}],"var_format":"numeric","var_format_schema":"other","fid":"F2","sid":"6","survey_idno":"VeryEarlyInfantDiagnosisofHIV"}