Time trend in the number of infants delivered with low birth weight per 1,000 live births.

<p>Time trend smoothed using the Stata loess smoother with bandwidth = 0.1.</p

Multivariable analysis of the step and slope per annum changes in pregnancy outcomes from 1 January 2006 referent to the underlying trend.

<p>Data are step changes at 1 January 2006, and slope changes after 1 January 2006. Data adjusted for maternal age, infant sex, deprivation quintile, week of conception, number of previous spontaneous abortions, number of previous therapeutic abortions, and parity.</p>a<p>Includes current, never, and former smokers and unknown smoking status.</p

Time trend in the number of infants delivered small for gestational age per 1,000 live births.

<p>Time trend smoothed using the Stata loess smoother with bandwidth = 0.1.</p

Univariate analysis of the step and slope per annum changes in pregnancy outcomes from 1 January 2006 referent to the underlying trend.

<p>Data are step changes at 1 January 2006, and slope changes after 1 January 2006.</p>a<p>Includes current, never, and former smokers and unknown smoking status.</p

Summary characteristics of patients hospitalised for myocardial infarction categorised by exposure to environmental tobacco smoke.

<p>MWU, chi square for trend.</p><p>N number; SIMD5 Scottish Index of Multiple Deprivation quintile; MDA; LDL; IQR interquartile range.</p

Univariate and multivariate linear regression analyses of the association between exposure to environmental tobacco smoke and three biomarkers of oxidative stress.

*<p>adjusted for age, sex, SIMD5.</p

Box and whisker plots of three biomarkers of oxidative stress by exposure to environmental tobacco smoke.

<p>Box and whisker plots of three biomarkers of oxidative stress by exposure to environmental tobacco smoke.</p

Time trend in the number of infants delivered preterm per 1,000 live births.

<p>Time trend smoothed using the Stata loess smoother with bandwidth = 0.1.</p