The results from the probit model with multiple independent variables show that age at first marriage, level of education and knowledge of AIDS are significantly associated with age at first sexual intercourse
. Women who had early sexual intercourse are significantly at risk of being married at age 18 or below than women who had late sexual intercourse (p < 0.001).
Variables Frequency Percentage Ever had sex Yes 48 16 No 252 84 Reason to start sex Personal desire 13 27.1 Peer pressure 17 35.4 Influence of alcohol 2 4.2 Coercion 5 10.4 Economic problem 2 4.2 Do not know or do not 9 18.8 remember Age at first sexual intercourse
[less than or equal to] 18 years old 27 56.3 [greater than or equal to] 18 years old 21 43.8 Mean [+ or -] SD = 17.2 [+ or -] 1.35 Use condom at first sex Yes 8 16.7 No 40 83.3 Had sex with CSW Yes 3 6.3 No 45 93.8 Total number of sexual partners One 34 70.8 [greater than or equal to] two 14 29.2 Risky sexual behavior No 256 85.3 Yes 44 14.7 Had sexual intercourse in the past 12 months Yes 28 58.3 No 20 41.7 Table 3: Knowledge on HIV/AIDS and condom use among Jiga high school and preparatory school students, 2014.
The average age at first sexual intercourse
was approximately 16, with no significant difference between genders.
There were no significant differences in the age at first sexual intercourse
and condom use between CT-infected and uninfected adolescents.
On examination of age at first sexual intercourse
and number of sexual partners for the past month and the former 3 months, a significant statistical correlation was found between (1) age at first sexual intercourse
and number of sexual partners in the last 4 weeks ([r.sub.xy] =--0.034, P = 0.011), and (2) age at first sexual intercourse
and number of sexual partner in the last 12 weeks ([r.sub.xy] =--0.037, P = 0.006).
Second, the extent of YRBS underreporting or overreporting of behaviors such as HIV testing or age at first sexual intercourse
has not been determined.
Age at first sexual intercourse
has been used as a marker for sexual risk taking, and teens with younger ages at first sex are less likely to use contraception than those who delay.
(1.) Kaestle CE et al., Young age at first sexual intercourse
and sexually transmitted infections in adolescents and young adults, American Journal of Epidemiology, 2005, 161(8):774-780.
The nations in the world whose sexual health education is the most honest and thorough enjoy the fewest abortions, higher age at first sexual intercourse
, and a drastic reduction in incidents of STDs.
(2) But Demographic and Health Survey results show an increasing gap between age at first sexual intercourse
and age at first marriage in 32 of 37 countries surveyed in every region of the developing world, suggesting that premarital sex is rising throughout sub-Saharan Africa and in most countries of other regions.
Women with more years of education report a later age at first sexual intercourse
Measures of sexual activity at first sex, 796 sexually active girls aged 14-22, KwaZulu Natal, 1999 Age at first sexual intercourse
% Mean Age Mean age of girl at first sex -- 16.57 Mean age of girl's partner at first sex -- 20.17 First intercourse for girls by age <14 3.1 14-15 23.3 16-19 67.3 20-21 5.8 Table 3: Contraceptive use at first intercourse by age at first sex among adolescent girls in KwaZulu Natal, 1999 (n=796) Age at first Discussed Used a method to Used a method to intercourse contraception prevent pregnancy prevent STI % % % <14 (n= 85) 20.0 14.1 10.6 15 (n=124) 37.9 20.2 15.3 16 (n=191) 40.0 35.1 25.7 17 (n=160) 49.4 44.4 35.6 18 (n=132) 57.6 47.7 42.4 >19 (n= 99) 56.6 48.5 46.5 Total (n=791) 44.3 36.2 29.8 Table 4.