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Table 4 Differences in sexual history between females and males

From: Sexual behaviour, sexually transmitted infections and attitudes to chlamydia testing among a unique national sample of young Australians: baseline data from a randomised controlled trial

Variable Females Males p value
  N = 547 N = 154  
Mean age (SD) 20.0 years (3.0) 21.4 years (2.6) p <0.0001
Mean age of first intercourse (SD) 16.1 years (2.3) 16.7 years (2.3) 0.004
Mean no. of years since first intercourse (SD) 3.9 years (3.0) 4.7 years (3.0) 0.002
Number of sexual partners ever    
One 22.9% 14.4%  
Two 12.3% 11.8% 0.03
Three to five 25.8% 20.9%  
Six to ten 17.8% 22.9%  
Eleven or more 21.2% 30.0%  
Number of sexual partners in last 12 months    
One 49.9% 40.4%  
Two 19.3% 17.2% 0.02
Three to five 20.6% 23.8%  
Six to ten 5.4% 12.6%  
Eleven or more 4.8% 6.0%  
Use condoms always or mostly 51.6% 56.5% 0.32
History of chlamydia 17.6% 13.9% 0.34
History of HPV 8.1% 9.2% 0.81
History of gonorrhoea 1.3% 5.2% 0.009
History of genital herpes 3.7% 4.5% 0.79
History of HIV 1.1% 0.6% 0.35