Estimating the health-care costs of children born to pregnant smokers in England: cohort study using primary and secondary health-care data.

Following restriction of the GLM models to children with complete 10 years’ follow‐up data, the associations were similar to those for the unrestricted analysis at 1 year (β = 41.18, 95% CI = –£98.02 to 180.38) and 5 years (β = £195.22, 95% CI = –£165.19 to 555.63); however, the cost coefficients did not reach statistical significance.

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