Table 1.

Classification of living arrangement in this study

Category	Description
(a) at least one child	Living with child(ren) only, or living with child(ren) and other members, i.e., spouse, grandchild(ren), relatives and/or non-relatives.
(b) spouse only and no children	Living with no one else except spouse.
(c) at least one grandchild and no children (skipped generation)	Living with grandchild(ren) only, or living with grandchild(ren) and other members, i.e., spouse, relatives and/or non-relatives. All these cases are living without children.
(d) other relatives and/or non-relatives, and no children	Living with relatives only, with non-relatives only, with relatives and non-relatives only, or with spouse and relatives and/or non-relatives. All these cases are living without children.
(e) living alone	Living at home without anyone else.