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

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

Variable HIV-KQ-18 score p-value
Mean SD
Education level    
 Up to senior high school 9.6 4.2 < 0.001a
 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 < 0.001b
 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  
  1. aA post hoc analysis showed that the difference between these three educational levels were significant (p < 0.001)
  2. bThe difference was only significant between participants with monthly expenses > 5 million Rupiah and < 2 million Rupiah