Adaptation and validation of the HIV Knowledge Questionnaire-18 for the general population of Indonesia

Table 4 Known-group validity of HIV-KQ-18

Variable	HIV-KQ-18 score		p-value
Variable	Mean	SD	p-value
Education level
Up to senior high school	9.6	4.2	< 0.001^a
Bachelor	11.0	3.9
Postgraduate	13.1	3.6
Having educational background in health sciences
No	9.7	4.2	< 0.001
Yes	12.0	3.6
Have attended workshop(s) about HIV
No	10.3	4.0	< 0.001
Yes	11.9	3.8
Monthly expense (in Rupiah)
< 2 million	10.5	4.0	< 0.001^b
2–3 million	11.3	3.7
3–4 million	11.6	4.0
4–5 million	11.7	4.1
> 5 million	12.2	3.9

^aA post hoc analysis showed that the difference between these three educational levels were significant (p < 0.001)
^bThe difference was only significant between participants with monthly expenses > 5 million Rupiah and < 2 million Rupiah

ISSN: 1477-7525