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OBJECTIVE: To estimate the influence of the number of liveborn children on the risk of low back pain. METHODS: The study design was a cross-sectional population-based survey. The 4,501 respondents to a postal survey were asked to provide data on the occurrence of low back pain and on any children they had. Data on some potential confounding variables were also obtained. RESULTS: There was an increased risk of low back pain in those who were married compared with those who were unmarried, among both men (odds ratio 1.7) and women (odds ratio 1.6). Among married individuals, there was a linear trend of increasing risk with increasing numbers of children. CONCLUSION: The risk of low back pain is related more to childrearing than to childbearing, although this effect might be partially mediated by unknown confounders associated with increasing family size.

Original publication

DOI

10.1002/art.1780380909

Type

Journal article

Journal

Arthritis and rheumatism

Publication Date

09/1995

Volume

38

Pages

1232 - 1235

Addresses

University of Manchester Medical School, England.

Keywords

Lumbosacral Region, Humans, Back Pain, Prevalence, Odds Ratio, Risk Factors, Cross-Sectional Studies, Family Characteristics, Age Factors, Parity, Sex Distribution, Adolescent, Adult, Aged, Middle Aged, Female, Male