Hence, besides the spatial extent of buildings, background information of a building always includes four attributes: number of rooms, number of storeys, structure type, and construction cost.
The following variables are used to obtain the housing index: number of rooms, number of bedrooms, dwelling with kitchen (if the house has a kitchen or not), dwelling with plumbing facilities, dwelling owned (if the house is rented or owned), number of years of the dwelling, and dwelling with electricity.
dNumber of affective episodes, number of contacts to clinicians and psychiatric emergency rooms, number of hospitalizations, medication status etc. eBlood samples is obtained by venipuncture, 90 ml in total and a freshly voided spot urine sample is collected.
The WHO and its Patient Safety Programme have proposed six surgical metrics designed specifically to capture facility-level data on structural (number of operating rooms, number of accredited surgeons, number of accredited anaesthesia professionals), process (volume of surgery) and outcome (post-operative death ratios) (Weiser et al. 2009; Table 5).
Socioeconomic status was assessed by summing the independent scores given to home ownership, number of rooms, number of people living in the house, availability of toilet and running water as well as possession of comfort/luxury items, such as electrical/gas stove, refrigerator, TV, air conditioner, car, motorcycle/scooter, bicycle and computer, owned by the subject.
