Variables | Overall | High-level exposure (n = 4454) | Low-level exposure (n = 799) | ||
---|---|---|---|---|---|
HR(95% CI) | P for interaction | HR(95% CI) | P for interaction | ||
Gender | |||||
Female | 0.53 (0.41–0.68) | 0.480 | 0.95 (0.32–2.87) | 0.240 | |
Male | 0.55 (0.42–0.74) | 0.64 (0.18–2.27) | |||
Residence | |||||
Rural/Town | 0.43 (0.35–0.54) | 0.400 | 5.07 (0.20–13.01) | 0.110 | |
Urban | 0.71 (0.31–1.60) | 0.53 (0.23–1.26) | |||
Region | |||||
Northern China | 0.67 (0.39–1.17) | 0.180 | 0.45 (0.15–1.33) | 0.074 | |
Southern China | 0.39 (0.31–0.50) | 1.05 (0.23–4.87) | |||
Smoking status at present | |||||
No | 0.48 (0.38–0.60) | 0.410 | 0.77 (0.34–1.75) | 0.890 | |
Yes | 0.52 (0.32–0.84) | 1.65 (0.10–28.20) | |||
Drinking status at present | |||||
No | 0.53 (0.42–0.66) | 0.130 | 0.55 (0.23–1.34) | 0.095 | |
Yes | 0.48 (0.32–0.71) | 1.14 (0.03–37.92) | |||
Ongoing exercising habit | |||||
No | 0.50 (0.39–0.62) | 0.580 | 1.04 (0.36–3.02) | 0.400 | |
Yes | 0.59 (0.42–0.84) | 0.69 (0.23–2.07) | |||
Leisure activity | |||||
Personal outdoor activities | |||||
Never/sometimes | 0.47 (0.35–0.64) | 0.990 | 3.85 (0.53–27.81) | 0.310 | |
At least once a month and more | 0.58 (0.44–0.75) | 0.79 (0.34–1.79) | |||
Gardening | |||||
Never/sometimes | 0.44 (0.35–0.55) | 0.310 | 1.18 (0.49–2.85) | 0.520 | |
At least once a month and more | 0.93 (0.37–2.34) | 0.20 (0.03–1.40) |