{"vid":"V9","name":"mainfuel","file_id":"F3","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_universe":"Indoor air data covered households with pregnant women","universe_clusion":"I","var_sumstat":[{"value":"28306","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"The main fuel used by the household","var_catgry":[{"value":"Charcoal","labl":null,"stats":"3604","type":"freq"},{"value":"Kerosene","labl":null,"stats":"20317","type":"freq"},{"value":"LPG","labl":null,"stats":"3852","type":"freq"},{"value":"Sawdust\/wood","labl":null,"stats":"533","type":"freq"}],"var_format":"character","var_format_schema":"other","fid":"F3","sid":"127","survey_idno":"DDI-KEN-APHRC-AIRPOLLUTION-2014-v01."}