{"text_format":"2","workbook":"xls","n_sheets":1,"sheets":["report2"],"not_rendered":{"charts":0,"images":0,"macros":0,"external_links":1,"defined_names":1,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"run_cost":"one","rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"report2","index":0,"n_rows":22,"n_cols":5,"rows_kept":22,"cut":false,"hidden":false,"merged":[[0,2,0,3],[0,4,0,5],[1,2,1,3],[1,4,1,5],[2,2,2,3],[2,4,2,5],[3,2,3,3],[4,2,4,3],[5,2,5,3],[7,2,7,3],[16,2,16,3],[17,2,17,3]],"flags":["formulas_cached_only"]}
[null,"1.","Record Nr.",null,"UNINA9910711615003321"]
[null,null,"Autore",null,"Ford Kathleen <1950->"]
[null,null,"Titolo",null,"Socioeconomic differentials and trends in the timing of births / / Kathleen Ford"]
[null,null,"Pubbl/distr/stampa",null,"Hyattsville, Md. : , : U.S. Department of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics, , 1981"]
[null,null,"Descrizione fisica",null,"1 online resource (iv, 49 pages) : illustrations"]
[null,null,"Collana",null,"Vital and health statistics. Series 23, Data from the national survey of family growth ; ; number 6"]
[{"$nulls":4},"DHHS publication ; ; no. (PHS) 81-1982"]
[null,null,"Soggetti",null,"Birth intervals - United States"]
[{"$nulls":4},"Fertility, Human - United States"]
[{"$nulls":4},"Marriage - United States"]
[{"$nulls":4},"Birth intervals"]
[{"$nulls":4},"Fertility, Human"]
[{"$nulls":4},"Statistics."]
[{"$nulls":4},"Vital statistics."]
[{"$nulls":4},"United States Statistics, Vital"]
[{"$nulls":4},"United States"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","\"This report contains an analysis of cumulative birth probabilities within first marriages in the United States. Trends and differentials in these probabilities, by race, Hispanic origin, education at first marriage, farm origin, religious preference, and timing of first birth are discussed. The probabilities are shown for specified birth order intervals and age at first marriage or previous birth.\""]
[{"$nulls":4},"\"February 1981.\""]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (page 10)."]