Dataset Information

Socioeconomic position and risk of short-term weight gain: prospective study of 14,619 middle-aged men and women.

ABSTRACT:

Background

The association between socioeconomic position in middle age and risk of subsequent, short-term weight gain is unknown. We therefore assessed this association in a prospective population based cohort study in Norfolk, UK.

Methods

We analysed data on 14,619 middle-aged men and women (aged between 40-75 at baseline) with repeated objective measures of weight and height at baseline (1993-1997) and follow up (1998-2000).

Results

During follow up 5,064 people gained more than 2.5 kg. Compared with the highest social class, individuals in the lowest social class had around a 30% greater risk of gaining more than 2.5 kg (OR 1.29; 95% CI 1.11-1.51; p for trend = 0.002). This association remained statistically significant following adjustment for sex, age, baseline BMI, smoking, and follow up time (OR 1.25; CI 1.07-1.46; p for trend <0.001). We also found no material difference between unadjusted models and those including all confounders and potential mediators.

Conclusion

Individuals of low socioeconomic position are at greatest risk of gaining weight during middle age, which is not explained by classical correlates of socioeconomic position and risk factors for obesity.

SUBMITTER: Purslow LR

PROVIDER: S-EPMC2323377 | biostudies-literature | 2008 Apr

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Socioeconomic position and risk of short-term weight gain: prospective study of 14,619 middle-aged men and women.

Purslow Lisa R LR Young Elizabeth H EH Wareham Nicholas J NJ Forouhi Nita N Brunner Eric J EJ Luben Robert N RN Welch Ailsa A AA Khaw Kay-Tee KT Bingham Shelia A SA Sandhu Manjinder S MS

BMC public health 20080409

<h4>Background</h4>The association between socioeconomic position in middle age and risk of subsequent, short-term weight gain is unknown. We therefore assessed this association in a prospective population based cohort study in Norfolk, UK.<h4>Methods</h4>We analysed data on 14,619 middle-aged men and women (aged between 40-75 at baseline) with repeated objective measures of weight and height at baseline (1993-1997) and follow up (1998-2000).<h4>Results</h4>During follow up 5,064 people gained m ...[more]

PMID: 18400100

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Project description:BackgroundRapid infant weight gain (RIWG) is a very strong predictor of childhood overweight and obesity (COO). Socioeconomic position (SEP) is also related to the risk of COO and parents of different SEP may differ in their reaction to accelerated infant weight gain. Together this could lead to differences in how weight gain and COO risk relate across SEP. This study aimed to analyse possible interaction of SEP and RIWG on COO risk.MethodsA register-based longitudinal cohort study followed 19,894 healthy, term infants, born in Denmark between December 2011 and May 2015. Logistic regression models were used to estimate odds ratios (OR) of COO risk at 2 years (22-26 months) of age with 95% confidence intervals (95% CI) for categories of infancy weight gain based on changes in weight-for-age z-scores between 0 and 8-10 months of age (slow (<- 0.67), mean (- 0.67-0.67), rapid (> 0.67-1.34) and very rapid (> 1.34)). Possible multiplicative and additive interaction of SEP (based on household income and maternal education) on the relationship between infancy weight gain and COO were analysed.ResultsIn total, 19.1 and 15.1% experienced rapid or very rapid weight gain, respectively, and 1497 (7.5%) children were classified with COO at follow-up. These prevalences were higher in those with lower levels of SEP. Adjusted OR for COO were 3.09 (95% CI [2.66-3.59]) and 7.58 (95% CI [6.51-8.83]) for rapid and very rapid weight gain, respectively, when household income was included in the model. Results were similar in the model including maternal education. No signs of interactions were detected on a multiplicative scale. Weak signs of additive interaction were present, but these values did not reach significance.ConclusionBoth rapid and very rapid weight gain were associated with substantially higher risks of COO but these associations were not modified by SEP. This indicates that promotion of healthy weight gain should take place in all population groups irrespective of their SEP.

Dataset Information

Socioeconomic position and risk of short-term weight gain: prospective study of 14,619 middle-aged men and women.

Background

Methods

Results

Conclusion

Publications

Socioeconomic position and risk of short-term weight gain: prospective study of 14,619 middle-aged men and women.

Similar Datasets

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