{"vid":"V43","name":"AM2001A_0040","file_id":"F1","var_dcml":"0","var_intrvl":"contin","var_start_pos":"142","var_end_pos":"145","var_width":"4","var_rec_seg_no":"1","labl":"Strata","var_qstn_qstnlit":"Strata","var_universe":"All households","universe_clusion":"I","var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"This variable is the strata identifier for the sample. Strata is a constructed variable that is captures implicit geographic stratification resulting from the sample design. It is created by assigning a unique identifier to groups of between 10 and 19 adjacent households. Additional documentation is available on the Variance Estimation page.","var_codeinstr":"This is a 4-digit numeric variable with 0 implied decimal places","var_concept":[{"name":"Geography: A-L Variables -- HOUSEHOLD","vocab":"IPUMS","uri":null}],"var_format":"numeric","var_format_schema":"other","fid":"F1","sid":"9","survey_idno":"ARM_2001_PHC_v01_M_v03_A_IPUMS"}