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Low risk for hip fracture and high risk for hip arthroplasty due to osteoarthritis among Swedish farmers

Johansson, H. ; Hongslo Vala, C. ; Odén, A. ; Lorentzon, M. ; McCloskey, E. ; Kanis, J. A. ; Harvey, N. C. ; Ohlsson, C. ; Stefan Lohmander, L. LU orcid and Kärrholm, J. , et al. (2018) In Osteoporosis International 29(3). p.741-749
Abstract

Summary: We aimed to study the risk of hip fracture and risk of hip arthroplasty among farmers in Sweden. Our results indicate that farming, representing an occupation with high physical activity, in men is associated with a lower risk of hip fracture but an increased risk of hip arthroplasty. Introduction: The risks of hip fracture and hip arthroplasty are influenced by factors including socioeconomic status, education, urbanization, latitude of residence, and physical activity. Farming is an occupation encompassing rural living and high level of physical activity. Therefore, we aimed to study the risk of hip fracture and risk of hip arthroplasty among farmers in Sweden. Methods: We studied the risk of hip fracture, and hip... (More)

Summary: We aimed to study the risk of hip fracture and risk of hip arthroplasty among farmers in Sweden. Our results indicate that farming, representing an occupation with high physical activity, in men is associated with a lower risk of hip fracture but an increased risk of hip arthroplasty. Introduction: The risks of hip fracture and hip arthroplasty are influenced by factors including socioeconomic status, education, urbanization, latitude of residence, and physical activity. Farming is an occupation encompassing rural living and high level of physical activity. Therefore, we aimed to study the risk of hip fracture and risk of hip arthroplasty among farmers in Sweden. Methods: We studied the risk of hip fracture, and hip arthroplasty due to primary osteoarthritis, in all men and women aged 35 years or more in Sweden between 1987 and 2002. Documented occupations were available in 3.5 million individuals, of whom 97,136 were farmers. The effects of age, sex, income, education, location of residence, and occupation on risk of hip fracture or hip arthroplasty were examined using a modification of Poisson regression. Results: A total of 4027 farmers and 93,109 individuals with other occupations sustained a hip fracture, while 5349 farmers and 63,473 others underwent a hip arthroplasty. Risk of hip fracture was higher with greater age, lower income, lower education, higher latitude, and urban area for all men and women. Compared to all other occupations, male farmers had a 20% lower age-adjusted risk of hip fracture (hazard ratio (HR) 0.80, 95%CI 0.77–0.84), an effect that was not seen in female farmers (HR 0.96, 95% CI 0.91–1.01). Both male and female farmers had a higher age-adjusted risk for hip arthroplasty. Conclusions: Our results indicate that farming, representing an occupation with high physical activity, in men is associated with a lower risk of hip fracture but an increased risk of hip arthroplasty.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Arthroplasty, Epidemiology, Hip fracture, Occupation, Osteoarthritis, Osteoporosis, Physical activity, Sweden
in
Osteoporosis International
volume
29
issue
3
pages
741 - 749
publisher
Springer
external identifiers
  • scopus:85040352917
  • pmid:29327294
ISSN
0937-941X
DOI
10.1007/s00198-017-4355-y
language
English
LU publication?
yes
id
d8d9139c-162e-4c0f-822c-8c5aeee63bc4
date added to LUP
2018-02-08 10:51:29
date last changed
2024-02-13 15:15:01
@article{d8d9139c-162e-4c0f-822c-8c5aeee63bc4,
  abstract     = {{<p>Summary: We aimed to study the risk of hip fracture and risk of hip arthroplasty among farmers in Sweden. Our results indicate that farming, representing an occupation with high physical activity, in men is associated with a lower risk of hip fracture but an increased risk of hip arthroplasty. Introduction: The risks of hip fracture and hip arthroplasty are influenced by factors including socioeconomic status, education, urbanization, latitude of residence, and physical activity. Farming is an occupation encompassing rural living and high level of physical activity. Therefore, we aimed to study the risk of hip fracture and risk of hip arthroplasty among farmers in Sweden. Methods: We studied the risk of hip fracture, and hip arthroplasty due to primary osteoarthritis, in all men and women aged 35 years or more in Sweden between 1987 and 2002. Documented occupations were available in 3.5 million individuals, of whom 97,136 were farmers. The effects of age, sex, income, education, location of residence, and occupation on risk of hip fracture or hip arthroplasty were examined using a modification of Poisson regression. Results: A total of 4027 farmers and 93,109 individuals with other occupations sustained a hip fracture, while 5349 farmers and 63,473 others underwent a hip arthroplasty. Risk of hip fracture was higher with greater age, lower income, lower education, higher latitude, and urban area for all men and women. Compared to all other occupations, male farmers had a 20% lower age-adjusted risk of hip fracture (hazard ratio (HR) 0.80, 95%CI 0.77–0.84), an effect that was not seen in female farmers (HR 0.96, 95% CI 0.91–1.01). Both male and female farmers had a higher age-adjusted risk for hip arthroplasty. Conclusions: Our results indicate that farming, representing an occupation with high physical activity, in men is associated with a lower risk of hip fracture but an increased risk of hip arthroplasty.</p>}},
  author       = {{Johansson, H. and Hongslo Vala, C. and Odén, A. and Lorentzon, M. and McCloskey, E. and Kanis, J. A. and Harvey, N. C. and Ohlsson, C. and Stefan Lohmander, L. and Kärrholm, J. and Mellström, D.}},
  issn         = {{0937-941X}},
  keywords     = {{Arthroplasty; Epidemiology; Hip fracture; Occupation; Osteoarthritis; Osteoporosis; Physical activity; Sweden}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{741--749}},
  publisher    = {{Springer}},
  series       = {{Osteoporosis International}},
  title        = {{Low risk for hip fracture and high risk for hip arthroplasty due to osteoarthritis among Swedish farmers}},
  url          = {{http://dx.doi.org/10.1007/s00198-017-4355-y}},
  doi          = {{10.1007/s00198-017-4355-y}},
  volume       = {{29}},
  year         = {{2018}},
}