Reconstructing past occupational exposures: how reliable are women’s reports of their partner’s occupation?

Nara Tagiyeva, Sean Semple, Graham Devereux, Andrea Sherriff, J Henderson, Peter Elias, Jon G. Ayres

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

OBJECTIVES:

Most of the evidence on agreement between self- and proxy-reported occupational data comes from interview-based studies. The authors aimed to examine agreement between women's reports of their partner's occupation and their partner's own description using questionnaire-based data collected as a part of the prospective, population-based Avon Longitudinal Study of Parents and Children.

METHODS:

Information on present occupation was self-reported by women's partners and proxy-reported by women through questionnaires administered at 8 and 21 months after the birth of a child. Job titles were coded to the Standard Occupational Classification (SOC2000) using software developed by the University of Warwick (Computer-Assisted Structured Coding Tool). The accuracy of proxy-report was expressed as percentage agreement and kappa coefficients for four-, three- and two-digit SOC2000 codes obtained in automatic and semiautomatic (manually improved) coding modes. Data from 6016 couples at 8 months and 5232 couples at 21 months postnatally were included in the analyses.

RESULTS:

The agreement between men's self-reported occupation and women's report of their partner's occupation in fully automatic coding mode at four-, three- and two-digit code level was 65%, 71% and 77% at 8 months and 68%, 73% and 76% at 21 months. The accuracy of agreement was slightly improved by semiautomatic coding of occupations: 73%/73%, 78%/77% and 83%/80% at 8/21 months respectively. While this suggests that women's description of their partners' occupation can be used as a valuable tool in epidemiological research where data from partners are not available, this study revealed no agreement between these young women and their partners at the two-digit level of SOC2000 coding in approximately one in five cases.

CONCLUSION:

Proxy reporting of occupation introduces a statistically significant degree of error in classification. The effects of occupational misclassification by proxy reporting in retrospective occupational epidemiological studies based on questionnaire data should be considered
Original languageEnglish
Pages (from-to)452-456
Number of pages5
JournalOccupational and Environmental Medicine
Volume68
Issue number6
Early online date23 Nov 2010
DOIs
Publication statusPublished - Jun 2011

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Occupational Exposure
Occupations
Proxy
Longitudinal Studies
Epidemiologic Studies
Software
Parents
Parturition
Interviews
Research
Population
Surveys and Questionnaires

Keywords

  • adult
  • educational status
  • England
  • female
  • humans
  • male
  • marital status
  • mental recall
  • occupational exposure
  • occupations
  • proxy
  • self disclosure
  • social class
  • spouses
  • young adult

Cite this

Reconstructing past occupational exposures : how reliable are women’s reports of their partner’s occupation? / Tagiyeva, Nara; Semple, Sean; Devereux, Graham; Sherriff, Andrea; Henderson, J; Elias, Peter; Ayres, Jon G.

In: Occupational and Environmental Medicine, Vol. 68, No. 6, 06.2011, p. 452-456.

Research output: Contribution to journalArticle

Tagiyeva, Nara ; Semple, Sean ; Devereux, Graham ; Sherriff, Andrea ; Henderson, J ; Elias, Peter ; Ayres, Jon G. / Reconstructing past occupational exposures : how reliable are women’s reports of their partner’s occupation?. In: Occupational and Environmental Medicine. 2011 ; Vol. 68, No. 6. pp. 452-456.
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abstract = "OBJECTIVES: Most of the evidence on agreement between self- and proxy-reported occupational data comes from interview-based studies. The authors aimed to examine agreement between women's reports of their partner's occupation and their partner's own description using questionnaire-based data collected as a part of the prospective, population-based Avon Longitudinal Study of Parents and Children.METHODS: Information on present occupation was self-reported by women's partners and proxy-reported by women through questionnaires administered at 8 and 21 months after the birth of a child. Job titles were coded to the Standard Occupational Classification (SOC2000) using software developed by the University of Warwick (Computer-Assisted Structured Coding Tool). The accuracy of proxy-report was expressed as percentage agreement and kappa coefficients for four-, three- and two-digit SOC2000 codes obtained in automatic and semiautomatic (manually improved) coding modes. Data from 6016 couples at 8 months and 5232 couples at 21 months postnatally were included in the analyses.RESULTS: The agreement between men's self-reported occupation and women's report of their partner's occupation in fully automatic coding mode at four-, three- and two-digit code level was 65{\%}, 71{\%} and 77{\%} at 8 months and 68{\%}, 73{\%} and 76{\%} at 21 months. The accuracy of agreement was slightly improved by semiautomatic coding of occupations: 73{\%}/73{\%}, 78{\%}/77{\%} and 83{\%}/80{\%} at 8/21 months respectively. While this suggests that women's description of their partners' occupation can be used as a valuable tool in epidemiological research where data from partners are not available, this study revealed no agreement between these young women and their partners at the two-digit level of SOC2000 coding in approximately one in five cases.CONCLUSION: Proxy reporting of occupation introduces a statistically significant degree of error in classification. The effects of occupational misclassification by proxy reporting in retrospective occupational epidemiological studies based on questionnaire data should be considered",
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AU - Tagiyeva, Nara

AU - Semple, Sean

AU - Devereux, Graham

AU - Sherriff, Andrea

AU - Henderson, J

AU - Elias, Peter

AU - Ayres, Jon G.

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N2 - OBJECTIVES: Most of the evidence on agreement between self- and proxy-reported occupational data comes from interview-based studies. The authors aimed to examine agreement between women's reports of their partner's occupation and their partner's own description using questionnaire-based data collected as a part of the prospective, population-based Avon Longitudinal Study of Parents and Children.METHODS: Information on present occupation was self-reported by women's partners and proxy-reported by women through questionnaires administered at 8 and 21 months after the birth of a child. Job titles were coded to the Standard Occupational Classification (SOC2000) using software developed by the University of Warwick (Computer-Assisted Structured Coding Tool). The accuracy of proxy-report was expressed as percentage agreement and kappa coefficients for four-, three- and two-digit SOC2000 codes obtained in automatic and semiautomatic (manually improved) coding modes. Data from 6016 couples at 8 months and 5232 couples at 21 months postnatally were included in the analyses.RESULTS: The agreement between men's self-reported occupation and women's report of their partner's occupation in fully automatic coding mode at four-, three- and two-digit code level was 65%, 71% and 77% at 8 months and 68%, 73% and 76% at 21 months. The accuracy of agreement was slightly improved by semiautomatic coding of occupations: 73%/73%, 78%/77% and 83%/80% at 8/21 months respectively. While this suggests that women's description of their partners' occupation can be used as a valuable tool in epidemiological research where data from partners are not available, this study revealed no agreement between these young women and their partners at the two-digit level of SOC2000 coding in approximately one in five cases.CONCLUSION: Proxy reporting of occupation introduces a statistically significant degree of error in classification. The effects of occupational misclassification by proxy reporting in retrospective occupational epidemiological studies based on questionnaire data should be considered

AB - OBJECTIVES: Most of the evidence on agreement between self- and proxy-reported occupational data comes from interview-based studies. The authors aimed to examine agreement between women's reports of their partner's occupation and their partner's own description using questionnaire-based data collected as a part of the prospective, population-based Avon Longitudinal Study of Parents and Children.METHODS: Information on present occupation was self-reported by women's partners and proxy-reported by women through questionnaires administered at 8 and 21 months after the birth of a child. Job titles were coded to the Standard Occupational Classification (SOC2000) using software developed by the University of Warwick (Computer-Assisted Structured Coding Tool). The accuracy of proxy-report was expressed as percentage agreement and kappa coefficients for four-, three- and two-digit SOC2000 codes obtained in automatic and semiautomatic (manually improved) coding modes. Data from 6016 couples at 8 months and 5232 couples at 21 months postnatally were included in the analyses.RESULTS: The agreement between men's self-reported occupation and women's report of their partner's occupation in fully automatic coding mode at four-, three- and two-digit code level was 65%, 71% and 77% at 8 months and 68%, 73% and 76% at 21 months. The accuracy of agreement was slightly improved by semiautomatic coding of occupations: 73%/73%, 78%/77% and 83%/80% at 8/21 months respectively. While this suggests that women's description of their partners' occupation can be used as a valuable tool in epidemiological research where data from partners are not available, this study revealed no agreement between these young women and their partners at the two-digit level of SOC2000 coding in approximately one in five cases.CONCLUSION: Proxy reporting of occupation introduces a statistically significant degree of error in classification. The effects of occupational misclassification by proxy reporting in retrospective occupational epidemiological studies based on questionnaire data should be considered

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KW - mental recall

KW - occupational exposure

KW - occupations

KW - proxy

KW - self disclosure

KW - social class

KW - spouses

KW - young adult

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JO - Occupational and Environmental Medicine

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