Comparison of baseline quality of life and other characteristics between the 141 deaths and 1598 survivors.

☆Survivors include those lost to follow-up.* p values for HRQOL were calculated by Wilcoxon rank test.#p values for categorical variables were calculated by Chi-square test or Fisher's Exact Test.∧ p values were calculated by t-test.Abbreviations: HRQOL, quality of life; SD, standard deviation.Definitions: Worker: in factory, shopping center, hotel, etc; Current smoking: at least one cigarette per day for at least the past year; Former smoker: having stopped smoking for at least the past month; Alcohol drinker: at least 1 drink/week; Physical exercise: at least 30 minutes/day for at least the past year; Hypertension: mean systolic blood pressure (SBP) > = 140 mm Hg and/or mean diastolic blood pressure (DBP) > = 90 mm Hg (based on 3 measurements), or the use of antihypertensive drugs in the past 2 weeks; Diabetes mellitus (DM): fasting blood glucose > = 7.0 mmol/l or current use of insulin or oral hypoglycaemic medication; Obesity: BMI> = 28 kg/m2; High cholesterol: fasting serum cholesterol> = 200 mg/dL.