Demographics, lifestyle characteristics, and select hip fracture risk factors of study population in Guangzhou, China.

Continuous variables were described by means ±standard deviation.aOccupation: “mental work” refers to those works which need less physical activity, such as administrators, managers, clerks, professionals or other white collars.bHouse orientations: ‘head’ referred to the orientation of the living room. Housing with east, south, southeast, southwest, northeast, and northwest orientations designated a head in the sun and other orientations designated a head in the shade.cSmoking was defined as having smoked ≥1 cigarette daily for at least six consecutive months.dPassive smoking was defined as being exposed to other's tobacco smoking for ≥5 minutes daily in the previous five years.eAlcohol drinkers were defined as having had wine ≥1 time(s) daily for at least six consecutive months.fTea drinkers were defined as drinking at least one cup of tea per week in the previous six months.gPhysical activities included daily occupational, leisure-time, and household-chores, evaluated by metabolic equivalent (MET) hours per day.