Table 2.

Change of behaviours with follow-up survey in urban high school ‘Focus-on-Teens’ participants

Behaviours	Categories	Adjusted* odds ratios (95% CI)	P value
Having >1 lifetime sex partner	Increasing each survey	1.82 (1.63-2.02)	<0.0001
Having sex >5 times with the same or a different partner in the past six months	Increasing each survey	0.90 (0.80-1.00)	0.0420
Have talked with girlfriend/boyfriend about not having sex in the last six months	Increasing each survey	1.29 (1.16-1.44)	<0.0001
Having asked most recent sexual partner about the number of his/her sexual partners	Increasing each survey	1.07 (0.86-1.34)	0.5425
Having asked most recent sexual partner if he/she uses condom	Increasing each survey	1.30 (1.01-1.68)	0.0421
Have talked with parents/adults about condom use in the past six months	Increasing each survey	1.24 (1.13-1.36)	<0.0001
Have talked with parents/adults about STDs/HIV infection in the past six months	Increasing each survey	1.16 (1.05-1.27)	0.0035
Use ‘withdrawal/pulling out’ as birth control measure when having sex last time	Increasing each survey	0.89 (0.79-1.00)	0.0640
Use condom as birth control measure when having sex last time	Increasing each survey	1.14 (1.03-1.26)	0.0145
Intend to always use condom when having sex in the next six months	Increasing each survey	1.15 (1.04-1.28)	0.0049
Having been pregnant or made someone pregnant	Increasing each survey	0.97 (0.82-1.15)	0.7376
Having been diagnosed with an STD in the past six months	Increasing each survey	0.96 (0.79-1.16)	0.6765

^*Generalized estimating equations adjusted for age and gender

CI = confidence interval