Factors associated with induced abortion over time: secondary data analysis of five waves of the Australian Longitudinal Study on Women’s Health

Angela J. Taft, Rhonda L. Powell, Lyndsey F. Watson, Jayne C. Lucke, Danielle Mazza, Kathleen McNamee

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Objective: A trend analysis of associations with induced abortion. Methods: Secondary analysis of the 1973/78 cohort of the Australian Longitudinal Study of Women’s Health of women responding to two or more consecutive surveys out of five (N=9,042), using generalised estimating equations. Results: New abortions dropped from 7% to 2% at surveys 4 and 5. By survey 5, 16% of respondents reported abortions, only 2% of them new. Women aged in their twenties were more likely to terminate a pregnancy if they reported less-effective contraceptives (aOR2.18 CI 1.65–2.89); increased risky drinking (aOR1.65 CI 1.14–2.38); illicit drugs ≤12 months (aOR3.09 CI 2.28–4.19); or recent partner violence (aOR2.42 CI 1.61–3.64). By their thirties, women were more likely to terminate if they reported violence (aOR2.16 CI 1.31–3.56) or illicit drugs <12 months (aOR2.69 CI 1.77–4.09). Women aspiring to be fully- (OR1.58 CI 1.37–1.83) or self-employed (OR1.28 CI 1.04–1.57), with no children (OR1.41 CI 1.14–1.75) or further educated (OR 2.08 CI 1.68–2.57) were more likely to terminate than other women. Conclusions: Abortion remains strongly associated with factors affecting women’s control over reproductive health such as partner violence and illicit drug use. Implications for public health: Healthcare providers should inquire about partner violence and illicit drug use among women seeking abortion, support women experiencing harm and promote effective contraception.

Original languageEnglish
Number of pages6
JournalAustralian and New Zealand Journal of Public Health
DOIs
Publication statusAccepted/In press - 6 Feb 2019

Keywords

  • Australian Longitudinal Study of Women’s Health
  • contraception
  • partner violence
  • psychosocial abortion
  • substance abuse

Cite this

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title = "Factors associated with induced abortion over time: secondary data analysis of five waves of the Australian Longitudinal Study on Women’s Health",
abstract = "Objective: A trend analysis of associations with induced abortion. Methods: Secondary analysis of the 1973/78 cohort of the Australian Longitudinal Study of Women’s Health of women responding to two or more consecutive surveys out of five (N=9,042), using generalised estimating equations. Results: New abortions dropped from 7{\%} to 2{\%} at surveys 4 and 5. By survey 5, 16{\%} of respondents reported abortions, only 2{\%} of them new. Women aged in their twenties were more likely to terminate a pregnancy if they reported less-effective contraceptives (aOR2.18 CI 1.65–2.89); increased risky drinking (aOR1.65 CI 1.14–2.38); illicit drugs ≤12 months (aOR3.09 CI 2.28–4.19); or recent partner violence (aOR2.42 CI 1.61–3.64). By their thirties, women were more likely to terminate if they reported violence (aOR2.16 CI 1.31–3.56) or illicit drugs <12 months (aOR2.69 CI 1.77–4.09). Women aspiring to be fully- (OR1.58 CI 1.37–1.83) or self-employed (OR1.28 CI 1.04–1.57), with no children (OR1.41 CI 1.14–1.75) or further educated (OR 2.08 CI 1.68–2.57) were more likely to terminate than other women. Conclusions: Abortion remains strongly associated with factors affecting women’s control over reproductive health such as partner violence and illicit drug use. Implications for public health: Healthcare providers should inquire about partner violence and illicit drug use among women seeking abortion, support women experiencing harm and promote effective contraception.",
keywords = "Australian Longitudinal Study of Women’s Health, contraception, partner violence, psychosocial abortion, substance abuse",
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Factors associated with induced abortion over time : secondary data analysis of five waves of the Australian Longitudinal Study on Women’s Health. / Taft, Angela J.; Powell, Rhonda L.; Watson, Lyndsey F.; Lucke, Jayne C.; Mazza, Danielle; McNamee, Kathleen.

In: Australian and New Zealand Journal of Public Health, 06.02.2019.

Research output: Contribution to journalArticleResearchpeer-review

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T2 - secondary data analysis of five waves of the Australian Longitudinal Study on Women’s Health

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N2 - Objective: A trend analysis of associations with induced abortion. Methods: Secondary analysis of the 1973/78 cohort of the Australian Longitudinal Study of Women’s Health of women responding to two or more consecutive surveys out of five (N=9,042), using generalised estimating equations. Results: New abortions dropped from 7% to 2% at surveys 4 and 5. By survey 5, 16% of respondents reported abortions, only 2% of them new. Women aged in their twenties were more likely to terminate a pregnancy if they reported less-effective contraceptives (aOR2.18 CI 1.65–2.89); increased risky drinking (aOR1.65 CI 1.14–2.38); illicit drugs ≤12 months (aOR3.09 CI 2.28–4.19); or recent partner violence (aOR2.42 CI 1.61–3.64). By their thirties, women were more likely to terminate if they reported violence (aOR2.16 CI 1.31–3.56) or illicit drugs <12 months (aOR2.69 CI 1.77–4.09). Women aspiring to be fully- (OR1.58 CI 1.37–1.83) or self-employed (OR1.28 CI 1.04–1.57), with no children (OR1.41 CI 1.14–1.75) or further educated (OR 2.08 CI 1.68–2.57) were more likely to terminate than other women. Conclusions: Abortion remains strongly associated with factors affecting women’s control over reproductive health such as partner violence and illicit drug use. Implications for public health: Healthcare providers should inquire about partner violence and illicit drug use among women seeking abortion, support women experiencing harm and promote effective contraception.

AB - Objective: A trend analysis of associations with induced abortion. Methods: Secondary analysis of the 1973/78 cohort of the Australian Longitudinal Study of Women’s Health of women responding to two or more consecutive surveys out of five (N=9,042), using generalised estimating equations. Results: New abortions dropped from 7% to 2% at surveys 4 and 5. By survey 5, 16% of respondents reported abortions, only 2% of them new. Women aged in their twenties were more likely to terminate a pregnancy if they reported less-effective contraceptives (aOR2.18 CI 1.65–2.89); increased risky drinking (aOR1.65 CI 1.14–2.38); illicit drugs ≤12 months (aOR3.09 CI 2.28–4.19); or recent partner violence (aOR2.42 CI 1.61–3.64). By their thirties, women were more likely to terminate if they reported violence (aOR2.16 CI 1.31–3.56) or illicit drugs <12 months (aOR2.69 CI 1.77–4.09). Women aspiring to be fully- (OR1.58 CI 1.37–1.83) or self-employed (OR1.28 CI 1.04–1.57), with no children (OR1.41 CI 1.14–1.75) or further educated (OR 2.08 CI 1.68–2.57) were more likely to terminate than other women. Conclusions: Abortion remains strongly associated with factors affecting women’s control over reproductive health such as partner violence and illicit drug use. Implications for public health: Healthcare providers should inquire about partner violence and illicit drug use among women seeking abortion, support women experiencing harm and promote effective contraception.

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