Poor
Intermediate
Strong
No
Yes
No education
Primary
Secondary or above
Not in marriage
Married/ cohabiting
Widower
No occupation
Employed
Farmer
60-70
71-80
>80
no
yes
very difficult
difficult
possible
easy
very easy
no concern
little concern
uncertain
some concern
alot of concern
none
1 or 2
3 to 5
6 or more
always
often
sometimes
never
male
female