Identifying Social Drinkers Likely to Consume Alcohol during Pregnancy: Findings from a Prospective Cohort Study

Bobo, Janet Kay; Klepinger, Daniel H.; Dong, Frederick B.

doi:10.2466/pr0.101.3.857-870

Cited by 4 publications

(4 citation statements)

References 22 publications

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“…In addition to the usual forms of alcohol assessment found in the literature (i.e. frequency [14-17], quantity [15,17,18], and binge status [14,19]) this study has taken a novel approach by examining previous compliance to alcohol guidelines. By doing so, the current study was able to show a pattern of non-compliant behaviour.…”

Section: Discussionmentioning

confidence: 99%

“…Although previous alcohol consumption has been found to be a consistent contributing factor to drinking during pregnancy [13] its measurement in studies has not been consistent. Frequency [14-17], quantity [15,17,18], and binge episodes [14,19] have all been used as measures of previous drinking behaviour. However, previous compliance to alcohol guidelines has not been independently assessed.…”

Section: Introductionmentioning

confidence: 99%

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Determinants of pregnant women's compliance with alcohol guidelines: a prospective cohort study

et al. 2012

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BackgroundIn 2009, Australian alcohol guidelines for pregnancy changed from low to no alcohol intake. Previous research found a high proportion of pregnant Australian women drank during pregnancy; however, there has been limited investigation of whether pregnant women comply with 2009 alcohol guidelines. The purpose of this study was to provide an assessment of pregnant women’s compliance with 2009 Australian alcohol guidelines and identify predictors of such compliance, including previous drinking behaviour.MethodsCross-sectional analysis of prospective data from the 1973–1978 cohort of the Australian Longitudinal Study on Women’s Health was conducted. Women aged 30–36 years who were pregnant at the 2009 survey and had data on alcohol use were included (n = 837). Compliance with 2009 alcohol guidelines for pregnancy was defined as no alcohol intake. Predictors of compliance were analysed using multivariate logistic regression, controlling for area of residence, in three separate models to account for multicollinearity between measures of previous alcohol intake (compliance with 2001 guidelines; frequency and quantity; bingeing). Private health insurance, household income, and illicit drug use were entered into all models and retained if significant.Results72% of pregnant women did not comply with the 2009 alcohol guidelines and 82% of these women drank less than seven drinks per week, with no more than one or two drinks per drinking day. The odds of complying with abstinence increased by a factor of 3.48 (95% CI 2.39-5.05) for women who previously complied with the 2001 alcohol guidelines and decreased by a factor of 0.19 (95% CI 0.08-0.66) if household incomes were $36,400 or more. In other models the odds of complying were lower for women who consumed alcohol before pregnancy at least weekly (OR = 0.40, 95% CI 0.25-0.63) or binged (OR ≥ 0.18, 95% CI 0.10-0.31) and were higher for those who abstained (OR = 45.09; 95% CI 8.63-235.49) prior to pregnancy.ConclusionMost pregnant women did not comply with alcohol guidelines promoting abstinence. Prior alcohol behaviour was the strongest predictor of compliance during pregnancy, suggesting alcohol use should be addressed in women of child-bearing age. The study is limited by the relatively short timeframe between the official introduction of the 2009 guidelines and the date the surveys were sent out. Widespread dissemination of the guidelines may be necessary to help increase guideline compliance by pregnant women.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Determinants of pregnant women's compliance with alcohol guidelines: a prospective cohort study

et al. 2012

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“…In contrast, person-centered methods, including growth mixture models, semi-parametric group-based models, and latent class analysis, describe intra-individual changes across multiple assessments 10. Person-centered analyses have been used to examine a variety of concerns including alcohol use during pregnancy,11 variations in drinking patterns among college freshmen,12 and development of heavy drinking and alcohol-related problems from ages 18–37 13…”

Section: Introductionmentioning

confidence: 99%

Alcohol Use Trajectories in Two Cohorts of U.S. Women Aged 50 to 65 at Baseline

Bobo

Greek²,

Klepinger³

et al. 2010

J American Geriatrics Society

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OBJECTIVES To examine drinking trajectories followed by two cohorts of older women during 8–10 years of follow-up. DESIGN Longitudinal analyses of two nationally-representative cohorts using semi-parametric group-based models weighted and adjusted for baseline age. PARTICIPANTS One cohort included 5,231 women in the Health and Retirement Study (HRS) ages 50–65 in 1996; the other included 1,658 National Longitudinal Survey (NLS) women ages 50–65 in 1995. MEASUREMENTS Both cohorts reported any recent drinking and their average number of drinks per drinking day using similar, but not identical questions. HRS women provided biannual data from 1996 – 2006. NLS women provided biannual data from 1995 – 2003. RESULTS All trajectory models yielded similar results. Among HRS women, four trajectory groups were observed in the model based on drinks per day: Increasing Drinkers (4.9% of cohort), Infrequent and Nondrinkers (61.8%), Consistent Drinkers (25.9%) and Decreasing Drinkers (7.4%). Corresponding NLS values from the drinks per day model were 8.8%, 61.4%, 21.2%, and 8.6%, respectively. In 2006, the average number of drinks per day among HRS women in Increasing Drinkers and Consistent Drinkers trajectories was 1.31 and 1.59, respectively. In 2003, these values for NLS women were 0.99 and 1.38, respectively. CONCLUSION Most women do not markedly change their drinking behavior after age 50, but some increase their alcohol use substantially, while others continue to exceed current recommendations. These findings underscore the importance of periodically asking older women about their drinking to assess, advise, and assist those who may be at risk for developing alcohol-related problems.

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“…Second, fixed effects were chosen to make the proportions of endorsed repeated measures similar to the pattern found in most binary SPGM applications on problem behavior in our review. In this common endorsement pattern, most (e.g., 43-86%) of persons follow flat, approximately zero trajectories (e.g., Bobo, Klepinger, & Dong, 2007;Falck, Wang, & Carlson, 2007;Jackson & Sher, 2008;B. Jones, Nagin, & Roeder, 2001;D.…”

Section: Population-generating Modelsmentioning

confidence: 99%

Factors Affecting the Adequacy and Preferability of Semiparametric Groups-Based Approximations of Continuous Growth Trajectories

Sterba

Baldasaro

Bauer

2012

Multivariate Behavioral Research

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Psychologists have long been interested in characterizing individual differences in change over time. It is often plausible to assume that the distribution of these individual differences is continuous in nature, yet theory is seldom so specific as to designate its parametric form (e.g., normal). Semiparametric groups-based trajectory models (SPGMs) were thus developed to provide a discrete approximation for continuously distributed growth of unknown form. Previous research has demonstrated the adequacy of the approximation provided by SPGM but only under relatively narrow, theoretically optimal conditions. Under alternative conditions, which may be more common in practice (e.g., higher dimension random effects, smaller sample sizes), this study shows that approximation adequacy can suffer. Furthermore, this study also evaluates whether SPGM's discrete approximation is preferable to a parametric trajectory model that assumes normally distributed random effects when in fact the distribution is modestly nonnormal. The answer is shown to depend on distributional characteristics of both repeated measures (binary or continuous) and random effects (bimodal or skewed). Implications for practice are discussed in light of empirical examples on externalizing behavior.

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Identifying Social Drinkers Likely to Consume Alcohol during Pregnancy: Findings from a Prospective Cohort Study

Cited by 4 publications

References 22 publications

Determinants of pregnant women's compliance with alcohol guidelines: a prospective cohort study

Determinants of pregnant women's compliance with alcohol guidelines: a prospective cohort study

Alcohol Use Trajectories in Two Cohorts of U.S. Women Aged 50 to 65 at Baseline

Factors Affecting the Adequacy and Preferability of Semiparametric Groups-Based Approximations of Continuous Growth Trajectories

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