Changes in weight status from baseline to 3-year follow-up (row %).

<p>^a P value from signed-rank test between baseline and 3-year follow-up.</p><p>^b Maintained same weight status at baseline and follow-up.</p><p>^c Increased BMI from baseline to follow-up.</p><p>^d Decreased BMI from baseline to follow-up.</p><p>Changes in weight status from baseline to 3-year follow-up (row %).</p

Proportions of BMI and waist circumference categories at baseline and 3-year follow-up, cross-sectional analysis.

<p>^a Column percentage unless otherwise stated.</p><p>^b P value from paired t-test between baseline and 3-year follow-up.</p><p>^c P value from signed-rank test between baseline and 3-year follow-up.</p><p>Proportions of BMI and waist circumference categories at baseline and 3-year follow-up, cross-sectional analysis.</p

Changes in waist circumference from baseline to 3-year follow-up (row %).

<p>^a P value was calculated from signed-rank test between baseline and 3-year follow-up.</p><p>^b Maintained same WC category at baseline and follow-up.</p><p>^c Increased WC from baseline to follow-up.</p><p>^d Decreased WC from baseline to follow-up.</p><p>Changes in waist circumference from baseline to 3-year follow-up (row %).</p

Prevalence of medical consultation and hospitalisation by basic characteristics.

a<p>χ² value and degree of freedom.</p

Adjusted odds ratios for SHS exposure and medical services use in current and never-smokers.

a<p>Adjusting for sex, age, highest parental education, housing type, school clustering effects, mutually adjusted for SHS at home and outside home, and additionally adjusted for cigarette consumption per day and years of smoking in current smokers.</p>b<p>Only students who had been exposed to SHS outside home ≤2 days/wk were included.</p>c<p>P for interaction between any SHS exposure in current and never-smokers.</p>d<p>Only students who had been exposed to SHS at home ≤2 days/wk were included.</p

Adjusted odds ratios for combined risk factors and mortality^a.

a<p>Adjusting for sex, age (5 yrs group), education (no/primary, secondary, tertiary or higher), place of birth, housing (public housing, hut/shared, self owned, quarter/others) and job (sedentary, light, moderate, heavy, none).</p><p>*P<0.05, **P<0.01, ***P<0.001.</p

Adjusted odds ratios for individual risk factors and mortality^a.

a<p>Adjusting for sex, age (5 yrs group), education (no/primary, secondary, tertiary or higher), place of birth, housing (public housing, hut/shared, self owned, quarter/others), job (sedentary, light, moderate, heavy, none) and the other variables in the table. Reference odds ratio is “1” for fruit intake 7 times or above per week, physical activities 2 times or above per week, non-heavy drinking and never-smoking.</p><p>*P<0.05, **P<0.01, ***P<0.001.</p

Background characteristics of the 33,411 cases and controls in Hong Kong^a.

a<p>Excluded ex-smokers and ex-drinkers.</p

All-cause, all-CVD and all-cancer Population Attributable Risk (%) and total avoidable lives lost as a result of the adverse lifestyles.

a<p>The combined takes into account shared effects and is therefore not equivalent to the sum of the individual components.</p

Hazard ratios with 95% confidence intervals for mortality from IHD and cancer of the esophagus by level of alcohol use in men and women

<p>Model 1 Adjusted for age group.</p><p>Model 2 Adjusted for age group, smoking status, education, housing, monthly expenditure, body mass index group and exercise.</p>*<p>All three current alcohol use groups were combined for women because of the small number of moderate and excessive drinkers in women.</p