Table 4: Post-hoc analysis of multiple comparisons of demographic characteristics against the dependent Variable: the total number of correct answers.

Variable Level of Comparisons Mean Difference p-value 95% Confidence Interval
Lower Upper
Level of education Primary with intermediate -.76429 .486 -1.9236 .3950
Primary with High school -1.20714* .014 -2.2518 -.1625
Primary with College -2.37209* .000 -3.3883 -1.3559
Intermediate with High school -.44286 .987 -1.2868 .4011
Intermediate with College -1.60780* .000 -2.4162 -.7994
High school with College -1.16494* .000 -1.7981 -.5318
Monthly income (SR) Less than 4000 with 4000-10000 -.84368* .046 -1.6782 -.0092
Less than 4000 with10000-20000 -.90152* .034 -1.7600 -.0430
Less than 4000 with 20000 or more -.82345 .100 -1.7312 .0843
4000-10000 with 10000-20000 -.05783 1.000 -.8267 .7110
4000-10000 with 20000 or more .02023 1.000 -.8032 .8437
10000-20000 with 20000 or more .07806 1.000 -.7697 .9258
Occupation Government employee with Private employee .60740 .125 -.0871 1.3019
Government employee with Self-employed .14906 1.000 -.8585 1.1567
Government employee with Unemployed .46724 1.000 -.5818 1.5163
Private employee with Self-employed -.45833 1.000 -1.5411 .6244
Private employee with Unemployed -.14015 1.000 -1.2616 .9813
Unemployed with Self-employed -.31818 1.000 -1.6563 1.0199
Number of children 1 with 2 .09368 1.000 -.7268 .9142
1 with 3 -.47127 1.000 -1.3944 .4518
1 with more than 3 .05791 1.000 -.7446 .8604
2 with 3 -.56495 .587 -1.4684 .3385
2 with more than 3 -.03577 1.000 -.8156 .7440
3 with more than 3 .52918 .686 -.3580 1.4163