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. 2022 Jul 4;12(7):e052630. doi: 10.1136/bmjopen-2021-052630

Table 1.

Baseline characteristics of participants by all-cause mortality

All (N=122 081) Death (n=2229) All-cause mortality
Age and gender adjusted Adjusted HR*
Age 53.1±8.3 59.7±8.8
Female 66.4 38.8 0.40 (0.36–0.43) 0.38 (0.33–0.44)
Education (≥10 years, %) 68.2 55.4 0.67 (0.60–0.75) 0.65 (0.56–0.75)
Blue-collar worker† (%) 32.3 33.8 1.46 (1.26–1.68) 1.16 (0.99–1.35)
Marital status (single, %) 11.0 13.3 1.35 (1.19–1.54) 1.23 (1.07–1.40)
NCDhistory (yes, %) 32.4 53.6 1.51 (1.39–1.65) 1.57 (1.42–1.72)
Hypertension 18.9 31.5 1.18 (1.08–1.30) 1.22 (1.11–1.35)
Diabetes 6.5 17.1 1.81 (1.62–2.03) 1.77 (1.57–2.00)
Hyperlipidaemia 9.2 7.6 0.73 (0.62–0.86) 0.78 (0.66–0.92)
Cancer 3.2 8.8 2.69 (2.31–3.12) 2.66 (2.27–3.11)
Cerebral and cardiovascular diseases 3.7 10.2 1.50 (1.30–1.73) 1.43 (1.23–1.66)
Respiratory disease 2.4 4.3 1.37 (1.12–1.68) 1.32 (1.06–1.64)
Body mass index (%)
<18.5 1.8 3.7 2.14 (1.69–2.69) 2.05 (1.61–2.62)
18.5–22.9 38.1 34.9 1.00 (ref) 1.00 (ref)
23.0–24.9 27.8 26.0 0.82 (0.73–0.91) 0.81 (0.72–0.91)
25.0–29.9 29.5 32.5 0.90 (0.81–1.00) 0.83 (0.74–0.93)
≥30.0 2.8 2.9 1.08 (0.83–1.39) 0.81 (0.61–1.08)
P trend 0.0118 <0.0001
Metabolic syndrome (yes, %) 22.0 28.4 1.13 (1.03–1.24) 1.07 (0.96–1.19)
Current smoker (%) 11.7 22.7 2.04 (1.79–2.33) 1.97 (1.71–2.27)
Current drinker (%) 44.0 43.8 0.86 (0.77–0.95) 0.81 (0.73–0.91)
Regular exercise (yes, %) 53.4 49.1 0.76 (0.70–0.83) 0.83 (0.76–0.91)

*Adjusted for age, gender, education, job, marital status, BMI and NCDhistory.

†Compared with white-collar worker.

BMI, body mass index; NCDhistory, non-communicable disease history; ref, reference.