{"vid":"V18","name":"fuel","file_id":"F3","var_dcml":"0","var_intrvl":"discrete","var_width":"12","labl":"Main fuel","var_respunit":"The recordings","var_qstn_preqtxt":"na","var_qstn_qstnlit":"na","var_qstn_postqtxt":"na","var_qstn_ivulnstr":"na","var_val_range":[{"units":null,"min":"1","max":"4"}],"var_universe":"Indoor air data covered households with pregnant women","universe_clusion":"I","var_sumstat":[{"value":"28306","type":"vald"},{"value":"16847","type":"invd"}],"var_txt":"The main fuel used by the household","var_catgry":[{"value":"1","labl":"Charcoal","stats":"3604","type":"freq"},{"value":"2","labl":"Kerosene","stats":"20317","type":"freq"},{"value":"3","labl":"LPG","stats":"3852","type":"freq"},{"value":"4","labl":"Sawdust\/wood","stats":"533","type":"freq"},{"value":"Sysmiss","labl":null,"stats":"16847","type":"freq"}],"var_format":"numeric","var_format_schema":"other","fid":"F3","sid":"127","survey_idno":"DDI-KEN-APHRC-AIRPOLLUTION-2014-v01."}