Socio-demographic of participants.

*Separated, Divorced, Widowed.**Snuff, chewing tobacco, betel.***Physical activity is defined as vigorous-intensity aerobic physical activity for at least 75 mm throughout the week.* 分居、离异、丧偶。 * 鼻烟、咀嚼烟草、槟榔。 * 体力活动的定义为：每周累计开展至少75分钟的高强度有氧体力活动。