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Association between maternal adherence to healthy lifestyle practices and risk of obesity in offspring: results from two prospective cohort studies of mother-child pairs in the United States

BMJ 2018; 362 doi: https://doi.org/10.1136/bmj.k2486 (Published 04 July 2018) Cite this as: BMJ 2018;362:k2486

Re: Association between maternal adherence to healthy lifestyle practices and risk of obesity in offspring: results from two prospective cohort studies of mother-child pairs in the United States

The study seems to have pre-selected the five lifestyle factors to see if they impact the incidence of obesity in the offspring of US nurses. I wonder if the analysis had been done on the basis of social and economic factors if significant associations would have been found.

Of course they are not mutually exclusive but the response to an association with lifestyle factors would be to target the individuals and families whilst if there is an association with socio-economic factors a population based response would be appropriate.

Competing interests: No competing interests

25 July 2018
Robert Fields
Retired General Practitioner
Bristol, UK