Parity, lactation and hip fracture
The relationship between parity, lactation and the occurrence of hip fracture was investigated in a case-control study of white women. The cases were patients (n = 174) aged 45 years and over with a radiologically confirmed first hip fracture sampled from among admissions to 30 hospitals in New York...
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| Veröffentlicht in: | Osteoporosis international 1993-07, Vol.3 (4), p.171-176 |
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| container_title | Osteoporosis international |
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| creator | Hoffman, S Grisso, J A Kelsey, J L Gammon, M D O'Brien, L A |
| description | The relationship between parity, lactation and the occurrence of hip fracture was investigated in a case-control study of white women. The cases were patients (n = 174) aged 45 years and over with a radiologically confirmed first hip fracture sampled from among admissions to 30 hospitals in New York and Philadelphia between September 1987 and July 1989. Controls (n = 174) were selected from general surgical and orthopedic services during the same time period and were frequency-matched to cases by age and hospital. Ever having a live birth was associated with reduced odds of hip fracture, controlling for age and hospital of recruitment (odds ratio = 0.65; 95% confidence interval = 0.41-1.04). When body mass index was also controlled, each birth was associated on average with a 9% reduction in the odds of hip fracture (odds ratio = 0.92 [0.78-1.08]), although the trend was not statistically significant. After adjusting for number of births, lactation was not associated with hip fracture (adjusted odds ratio for 12 months of lactation or less = 0.80 [0.42-1.55]; adjusted odds ratio for more than 12 months = 1.08 [0.45-2.60]). |
| doi_str_mv | 10.1007/BF01623672 |
| format | Article |
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The cases were patients (n = 174) aged 45 years and over with a radiologically confirmed first hip fracture sampled from among admissions to 30 hospitals in New York and Philadelphia between September 1987 and July 1989. Controls (n = 174) were selected from general surgical and orthopedic services during the same time period and were frequency-matched to cases by age and hospital. Ever having a live birth was associated with reduced odds of hip fracture, controlling for age and hospital of recruitment (odds ratio = 0.65; 95% confidence interval = 0.41-1.04). When body mass index was also controlled, each birth was associated on average with a 9% reduction in the odds of hip fracture (odds ratio = 0.92 [0.78-1.08]), although the trend was not statistically significant. After adjusting for number of births, lactation was not associated with hip fracture (adjusted odds ratio for 12 months of lactation or less = 0.80 [0.42-1.55]; adjusted odds ratio for more than 12 months = 1.08 [0.45-2.60]).</description><identifier>ISSN: 0937-941X</identifier><identifier>EISSN: 1433-2965</identifier><identifier>DOI: 10.1007/BF01623672</identifier><identifier>PMID: 8338971</identifier><language>eng</language><publisher>England</publisher><subject>Aged ; Aged, 80 and over ; Case-Control Studies ; Female ; Hip Fractures - epidemiology ; Humans ; Lactation ; Middle Aged ; Odds Ratio ; Parity</subject><ispartof>Osteoporosis international, 1993-07, Vol.3 (4), p.171-176</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c282t-62619d060746e89cc5d49294ad5c56e08bde3fb9142bd5285bb583e76a0204c53</citedby><cites>FETCH-LOGICAL-c282t-62619d060746e89cc5d49294ad5c56e08bde3fb9142bd5285bb583e76a0204c53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/8338971$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hoffman, S</creatorcontrib><creatorcontrib>Grisso, J A</creatorcontrib><creatorcontrib>Kelsey, J L</creatorcontrib><creatorcontrib>Gammon, M D</creatorcontrib><creatorcontrib>O'Brien, L A</creatorcontrib><title>Parity, lactation and hip fracture</title><title>Osteoporosis international</title><addtitle>Osteoporos Int</addtitle><description>The relationship between parity, lactation and the occurrence of hip fracture was investigated in a case-control study of white women. 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After adjusting for number of births, lactation was not associated with hip fracture (adjusted odds ratio for 12 months of lactation or less = 0.80 [0.42-1.55]; adjusted odds ratio for more than 12 months = 1.08 [0.45-2.60]).</abstract><cop>England</cop><pmid>8338971</pmid><doi>10.1007/BF01623672</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 0937-941X |
| ispartof | Osteoporosis international, 1993-07, Vol.3 (4), p.171-176 |
| issn | 0937-941X 1433-2965 |
| language | eng |
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| source | MEDLINE; Springer Journals |
| subjects | Aged Aged, 80 and over Case-Control Studies Female Hip Fractures - epidemiology Humans Lactation Middle Aged Odds Ratio Parity |
| title | Parity, lactation and hip fracture |
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