Table 1
Sample demographic and social characteristics.
Category Total %
Gender Female 174 44.4
Male 218 55.6
Age 18e30 15 3.8
31e40 123 31.4
41e50 144 36.7
51e60 80 20.4
>60 30 7.7
Education Illiterate 43 11
Elementary 112 28.6
Junior high 178 45.4
Senior high 59 15
Health Good 268 68.4
Average 86 21.9
Weak 38 9.7
Migrant workers Yes 86 21.9
No 306 78.1