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Table 4 Relative risk derived from knowledge factors associated with acquisition of HIV amongst pregnant women

From: The incidence of HIV among women recruited during late pregnancy and followed up for six years after childbirth in Zimbabwe

Variable No. tested No. HIV positive (%) RR(95% CI)
How do you rate your chances of infection?    
   No risk 92 10 (10.9) Referent
   Small risk 78 5 (6.4) 0.6(0.2-1.7)
   Moderate risk 67 4 (6.0) 0.5(0.2-1.7
   High risk 101 9 (8.9) 0.8(0.3-1.9)
   Don't know 101 11 (10.9) 1.0(0.4-2.3)
Why do you think you have no risk?    
   I am married 34 4 (11.8) Referent
   I have one sexual partner 20 2 (10.0) 0.8(0.2-4.3)
   My partner is faithful 36 5 (13.9) 1.2(0.3-4.0)
   I use condoms regularly* 2 0 (0) 0.2(0.03-2.3)
   Others 31 1 (3.2) 0.8(0.1-5.8)
   Not applicable 12 1 (8.3)  
Why do you think you are at risk?    
   Partner cannot be trusted 156 9 (5.8) Referent
   Partner has other sexual partners 18 4 (22.2) 3.8(1.3-11.2)
   I have other sexual partners 1 0 (0) Incalculable
   We do not use condoms 30 2 (6.7) 1.2(0.3-5.1)
   Others 25 1 (4.0) 0.7(0.1-5.3)
   Not applicable 18 1 (5.6) 1.0(0.1-7.2)
Can consistent condom use prevent STI/HIV?    
   Yes 339 28 (8.3) Referent
   No 56 4 (7.1) 1.2(0.4-3.2)
Abstain as prevention of STI and HIV?    
   Yes 45 3 (6.7) Referent
   No 349 29 (8.3) 0.8(0.3-2.5)
Do you know someone infected with HIV?    
   Yes 146 8 (5.5) Referent
   No 296 31 0.5(0.2-1.1)
Do HIV-infected people always show signs?    
   No (Can look healthy) 287 23 (8.0) Referent
   Yes (Always show signs) 124 12 (9.7) 0.8(0.4-26.8)
   Do not know 27 4 (14.8) 1.5(0.5-4.4)
Are healthy-looking infected men infectious?    
   Yes 408 34 (8.3) Referent
   No 15 1 (6.7) 1.3(0.2-8.6)
   Do not know 18 4 (22.2) 3.3(0.4-26.8)
Can a woman transmit HIV to her baby?    
   Yes 415 35 (8.4) Referent
   No 1 0 Incalculable
   Do not know 17 4 (19.0) 2.3(0.9-5.8)
Can you discuss AIDS with a family member?    
   Yes 335 30 (9.0) Referent
   No 108 9 (8.3) 1.1(0.5-2.2)
Can you discuss AIDS with your spouse?    
   Yes 386 32 (8.3) Referent
   No 56 7 (12.3) 0.7(0.3-1.4)
Can you discuss AIDS with your friends?    
   Yes 317 28 (8.8) Referent
   No 125 11 1.0 (0.5-2.0)