Sexual Behaviour Among Senior Secondary School Students in Nnewi North and NnewiSouth Local Government Areas of Anambra State, South-Eastern Nigeria
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Sexual Behaviour
Abstract:
INTRODUCTION: Many adolescents engage in risky sexual activity without protection as shown by recent WHO report and this practice commonly resulted in sexually transmitted infections (STIs) including human immunodeficiency virus (HIV), unwanted pregnancy and unsafe abortion. OBJECTIVE: This study is intended to describe the sexual behaviour of students in senior secondary schools in Nnewi North and South LGAs of Anambra State, South-eastern Nigeria and to describe their attitude toward contraceptive use for the prevention of pregnancy and STIs. METHOD: A descriptive cross-sectional study which employed multi-stage and proportionate sampling techniques was conducted. RESULT: A total of 394 students, age range of 12 – 24 years with mean of 17 ± 1.6years were studied. 95 (24.1%) admitted to previous sexual exposure with mean age at sexual debut of 12 ± 3.6 years. More than half of them had multiple sex partners and learnt about sex from the media. 74.7% of the respondents did not use condom during their first sexual exposure and 83.3% of those who had been pregnant or got someone pregnant terminated the pregnancy. CONCLUSION: This study shows a need for better government and societal commitment to adolescent reproductive health issues and incorporation of school-based interventions relating to sexuality education into school curriculum. Keywords: Sexual Behaviour, Secondary School Students 1. Introduction Young people are at the beginning of their sexual and reproductive lives.Sexual Behaviour
Physiologically, the changes in reproductive organs that occur in the life of adolescents often serve as a motivating force in their quest to experiment with sex. Some naturally explore and take risks in many aspects of their lives, including sexual relationships. Those who have sex may change partners frequently and have more than one partner in the same time period or engage in unprotected sex. These risky sexual activities make this group disproportionately affected by reproductive morbidities such as Sexually Transmitted Infections (STI) including Human Immuno-deficiency Virus (HIV) infection and Acquired Immune Deficiency Syndrome (AIDS), unwanted pregnancies and their complications [1-5] . Human sexual behaviour refers to any activity (solitary, between two persons, or in a group), that induces sexual European Journal of Preventive Medicine 2015; 3(2): 26-33 27 arousal. It may be the inherited sexual response patterns or other types of influence exerted on the individual by society in the expression of his sexuality[6] .Youth sexual behaviour is highly relevant to different public health problems [7,8] . For example, youth unprotected sexual intercourse contributes to unwanted pregnancies, abortions, pregnancy-related complications, and sexually transmitted infections (STIs) including HIV/AIDS [9] Sexual Behaviour .
Adolescence represents a transition from childhood to adulthood with features including secondary sexual growth, changes in hormonal milieu, emotional, cognitive and psychological development [10,11,12] . They constitute about 20 percent of the world’s population with about 85 percent of them in developing countries [13] . The sub-Saharan African countries, of which Nigeria is, have larger proportion of adolescents than any region in the world [14] . Recent World Health Organization reports showed that many adolescents engage in risky sexual activity without protection and most had their sexual debut through a subtle coercion by their partner [15,16] . This practice commonly resulted in sexually transmitted infections (STIs), human immunodeficiency virus, unwanted pregnancy and unsafe abortion [10,17,18] . Studies within Africa including Nigeria have demonstrated increasing rate of premarital sex and decline in age of sexual debut among adolescents contrary to our moral and cultural values [14,19,20] . High poverty level, adoption ofwestern norm ofsexual liberty, gradual erosion of traditional norms/values, lack ofparental control, mass media, urbanization and tourism are some of the reasons that has been advanced for the above problems[20,21,22] . The Joint United Nations Programme on AIDS (UNAIDS) reported that the rate of newly acquired HIV infections are the highest in the 15-25 years age- group and that this group accounts for about 60.0% of the global total of HIV infected persons [23] . Similarly, the highest sero-positive prevalence rate of HIV in Nigeria is in this age-group [24] .Sexual Behaviour
On a global scale, according to the data from the Youth Risk Behaviour Survey 2011[25,26] , it was gathered that 47% of all high school students reported having had sexual intercourse, and this was significantly higher among boys (49%) compared to girls (46%).The proportion who have ever had sex also differed significantly by race/ethnicity— rates were highest among non-Hispanic black students (60%), followed by Hispanic and non-Hispanic white students (49% and 44% respectively).Not surprisingly, this proportion also differed significantly by grade level, ranging from 33% of students in 9th grade to 63% of students in 12th grade [25,26] .In the 2011 survey also, 6% of high school students reported that they first had sex before age 13. 15% of high school students reported having already had four or more sexual partners—rates were significantly higher among boys (18%) compared to girls (13%), 60% of sexually active students reported using a condom the last time they had sex, and 18% of sexually active students reported using birth control pills the last time they had sex[25,26] . In Nigeria, the youth account for 32.0% of Nigerian’s 140 million people and nearly half (48.6%) of adolescents aged 15-19 are sexually active [27] . Researches have confirmed that risky sexual behavior is associated with young people.Sexual Behaviour
These risky behaviors include: early debut in sexual activities, sex with many partners, low and inconsistent use of condoms, use of drugs and alcohol, anal sexual intercourse and mouth to genital contact [28-32] . About 1 in 5 of sexually active females and 1 in 12 of sexually active males had already engaged in sexual intercourse by the age of 15. Findings from National AIDS and Reproductive Health Survey show that the median age of sexual debut among youths is 17years in females and 21years in males. A common feature of young people in Nigeria is their potential vulnerability to Sexually Transmitted Infections (STI) including HIV [27] . About 610,000 induced abortions are carried out in Nigeria annually [33] .In Delta State, a UNFPA sponsored baseline survey which included 1013 adolescents showed that 34.4% of adolescents aged between 15 -19 years have had sex [34] Although adolescent reproductive health researchers have contributed to the understanding of sexual behaviour of young persons in Nigeria, the utility of the data are undermined by the fact that these studies were not widespread across the six geopolitical zones. Among the zones that have been poorly studied is the south-eastern Nigeria. There is paucity of published data on the sexual behaviour among secondary school students of the southeastern zone of Nigeria, especially in Nnewi North and South Local Government Areas (LGAs) of Anambra state. This study is intended to describe the sexual behaviour of students in senior secondary schools in Nnewi North and South LGAs of Anambra State, South-eastern Nigeria and to describe their attitude toward contraceptive use for the prevention of pregnancy and STIs. 2. Materials and Methods The study was a descriptive cross-sectional study, conducted among senior secondary school students (grade 10-12 high school) in Nnewi North and South LGAs of Anambra State, Ngeria. Nnewi North LGA comprises four major villages, Otolo, Umudim, Uruagu and Nnewichi and is the less remote of the two LGAs while Nnewi South LGA comprises Ukpor, Ekwulumili, Amichi, Azigbo, Unubi, Ezinifite, Osumenyi, Utuh, Akwaihedi, Ogbodi and Ebenator. There are 45 and 38 secondary schools in Nnewi North and Nnewi South LGA respectively[35] .Sexual Behaviour
The estimated number of senior secondary school students in the study area was obtained from the Post Primary School Service Commission and from the State Ministry of Education as 15,885 students in Nnewi North and 6,004 students in Nnewi South LGA. The minimum sample size for the study was found to be 380 from the formula Where, 28 Azuike Emmanuel Chukwunonye et al.: Sexual Behaviour Among Senior Secondary School Students in Nnewi North and Nnewi South Local Government Areas of Anambra State, South-Eastern Nigeria n = desired sample size when population is greater than 10000. d = Level of significance at 5% (0.05); z = confidence limits of the survey result, which equals 1.96 at 95%confidence level; p = proportion of persons in the target population with factors under study ( in this study, the proportion (34.4%) of sexually active adolescents aged between 15 -19 years in a survey in Delta State62will be used)[36] . The sampling frame was the list of all senior secondary schools in the study area.Since the ratio of the number of secondary schools in Nnewi North LGA (45 schools) to those in Nnewi South LGA (38 schools) is approximately 1:1, 4 schools each were randomly selected for the study and the number and composition of students studied was determined using the multistage and proportionate sampling techniques and a minimum sample size of 380 as calculated. In Nnewi North, there are 37 coeducation schools, 5 Girls only schools and 3 Boys only schools giving a total of 45 schools, thus 227, 31 and 18 students were studied in the coeducation, girls only and boys only schools respectively. While In Nnewi South, there are 35 coeducation schools, 2 Girls only schools and 1 Boys only schools giving a total of 38 schools, thus 96, 6 and 3 students were studied in the coeducation, girls only and boys only schools respectively. Systematic sampling technique was the used to select the students that were studied in the chosen schools using the school list of senior secondary students in each school as the sampling frame. The study instrument was a self-administered questionnaire, which wasa modified version of the Sexual Activity Survey by Diana Flannery and Lyndall Ellingson[37] .Sexual Behaviour
The questionnaire was designed to explore the sexual behaviours of senior secondary school students in regardsto socio-demographic factors, sexual debut, risk prevention measures, type of sexual practices, number of sexual partners and sexual orientation. It was pretested by 30 students from non-participating schools. A total of 450 questionnaires were administered and 439 (97.6%) of these questionnaires were retrieved but only 394 copies (89.8%) were completely answered. The data was analyzed with Statistical Package for Social Sciences (SPSS) software package, version 20.0 and the results were presented in frequency tables. Ethical approval for the study was obtained from the Nnamdi Azikiwe University Teaching Hospital Ethical Council. Permission was also obtained from the Post Primary School Service Commission and the State Ministry of Education, Nnewi Zone. Respondents were assured of confidentiality, privacy and anonymity of information provided and given the choice of not partaking in the study, if they so desired. 3. Results Out of the 439 students interviewed in Nnewi North and South local government areas, the response of 394 was suitable for analysis, with 278 and 116 responses coming from each LGA respectively.Since there is no statistically significant difference between the results of both local governments (P = 0.604), the results were combined. The age range of respondents was 12 – 24 years with mean of 17 ± 1.6years. Table 1 shows the socio-demographic characteristics of the respondents. Both sexes were fairly represented with most respondents (47.5%) in the first level of the senior class. 99.7% of the students were Christians of different denomination; 98.5% of them are of the Igbo tribe and 53.8% are from monogamous families. The parents of more than half (52.5%) of the students had secondary education while only few (about 4%) had no formal education. Table 2 shows that, of the 394 respondents, 95 (24.1%) admitted to previous sexual exposure of which 45 (47.4%) were males while 50 (52.6%) were females. Majority of the respondents who admitted to previous sex exposure were in the first class of the senior secondary school (53.7%), from monogamous families (50.5%) and have their schools located in Nnewi North LGA (68.4%).Sexual Behaviour
However, there is no statistically significant relationship between previous sex exposure and gender, level of study, family setting and location of school, from the study. From the study, minimum age at sexual debut was found to be 5years and maximum age was 20years among the sexually active respondents.Table 3 shows that 23.2% of the respondents had their sexual debut below 10years of age, 31.6%between 10-13years, 36.8% between 14-17years and 8.4% between 18-20 years of age. Mean age at sexual debut was 12 ± 3.6 years.Majority (71.6%) of the sexually experienced respondents admitted that their first sexual exposure was unplanned. 22.1% of them were curious to have sex, 40% were deceived, 3.2% were drugged, 25.3% were forced, 4.2% were raped and 5.3% actually requested for it. The method of sexual activity practiced by the sexually experienced respondents were vaginal (91.6%), Anal (21.1%) and oral (7.4%).47.4% of them had just one sexual partner. 45.2% had either 2 or 3 partners while 7.4% had more than 3 sexual partners.Among the sexually active respondents, 30.5% have homosexual inclination and 17.9% have forced someone to have sexual intercourse.Most of the respondents (53.6%) first learnt about sex from media (Internet, TV, Newspaper, Magazines, romantic Novels, etc), while others learnt from parents (11.4%), other siblings (2.0%) and from friends (33%). The study showed that 74.7% of the respondents did not use condom during their first sexual exposure. Table 4 shows that 40% of them do not use any method of contraception, 26.3% use condom, 9.5% use birth control pills, 5.3% use withdrawal method and 16.8% of them were not sure of the method they use.18.9% of the sexually experienced respondents have been pregnant or gotten someone pregnant, majority (83.3%) of which were terminated while the rest (16.7%) had the delivery. 35.8%of respondents admitted to they or their partner having had one form of sexually transmitted infection or the other. European Journal of Preventive Medicine 2015; 3(2): 26-33 29 Table 1. Socio-Demographic Characteristics (N = 394) Variables Frequency Percentage Local Government Area Nnewi North 278 70.6 Nnewi South 116 29.4 Sex Male 168 42.6 Female 226 57.4 Class SS1 187 47.5 SS2 129 32.7 SS3 78 19.8 Religion(Denomination) Catholic 204 51.8 Anglican 125 31.7 Pentecostal 64 16.2 Islam – – Traditional 1 0.3 Tribe Igbo 388 98.5 Yoruba 4 1.0 Hausa 2 0.5 Others – – Family Setting Monogamous 212 53.8 Polygamous 93 23.6 Single Parent 89 22.6 Fathers’ Education Level None 16 4.1 Primary 84 21.3 Secondary 207 52.5 Tertiary 87 22.1 Mothers’ Education Level None 19 4.8 Primary 58 14.7 Secondary 218 55.3 Tertiary 99 25.1 Table 2. Factors associated with Sexual Behaviour Factors Previous sex P- values YES NO Sex Male 45 123 0.548 (26.8%) (73.2%) Female 50 176 (22.1%) (77.9%) Class SS1 51 136 0.213 (27.3%) (72.7%) SS2 25 104 (19.4%) (80.6%) SS3 19 59 (24.4%) (75.6%) Family Setting Monogamous 48 164 0.648 (22.6%) (77.4%) Polygamous 23 70 (24.7%) (75.3%) Single Parent 24 65 (27.0%) (73.0%) LGA Nnewi North 65 213 0.604 (23.4%) (76.6%) Nnewi South 30 86 (25.9%) (74.1%) Statistically significant if p > 0.05 Table 3. Pattern of Sexually Active Respondents (N =95) Variables Frequency Percentage Age at Sexual Debut < 10 years 22 23.2 10 -13 years 30 31.6 14 -17 years 35 36.8 18-20 years 8 8.4 First Sexual Intercourse Planned 27 28.4 Unplanned 68 71.6 Method of Sex Vaginal 87 91.6 Oral 7 7.4 Anal 20 21.1 Number of sexual Partner 1 45 47.4 2 29 30.5 3 14 14.7 >3 7 7.4 Homosexual Experience 29 30.5 Table 4. Respondents’ Contraceptive Use for Prevention of Pregnancy and STIs (N = 95) Variables Frequency Percentage Method of Pregnancy Prevention None 38 40.0 Condom 25 26.3 Birth Control Pills 9 9.5 Injectables – – Withdrawal 5 5.3 Unknown 16 16.8 Number of Pregnancy None 77 81.1 1time 10 10.5 2 or More times 8 8.4 Pregnancy Outcome Delivery 3 16.7 ( n=18) Abortion 15 83.3 (n=18) Previous STI 34 35.8 4. Discussion Adolescent reproductive health issues have been particularly of interest in the last two decades because of widespread HIV/AIDS. Several researchers have made efforts to find measures to curb the unacceptable prevalence of HIV/AIDS and other STIs among the youths.Data from some states in the country indicate that adolescents engage in unhealthy sexual behaviours characterized by early age at sexual initiation, unsafe sex and multiple sexual partners [38- 48] . The socio-demographic characteristics of students studied were comparable to previous findings in Nigeria [49-51,52-54] but unlike the previous studies, most respondents in this study were from monogamous settings and more than half of their parents had completed secondary education [61] .From this study, there was no statistically significant relationship between the socio-demographic characteristics of the respondents and their sexual exposure unlike the study done by Morhason-Bello et al at Ibadan in which a higher proportion of respondents with previous sexual exposure were males ( p=0.00043)[61] . 30 Azuike Emmanuel Chukwunonye et al.: Sexual Behaviour Among Senior Secondary School Students in Nnewi North and Nnewi South Local Government Areas of Anambra State, South-Eastern Nigeria From this study, 24.1% of the respondents have had previous sexual experience; 26.4% of all males and 22.1% of all female respondents, indicating that more of the male respondents have had previous sexual exposure than the females. This is in agreement with some studies done by the CDC in 2011 [25,26] , Delva et al among the Balkans [55] , studies done in Sweden [56] and in India [57] , which showed that sexual activity tends to be relatively higher among boys than girls. However, the reverse is the case among the Ghanaian adolescents as reported by Delva et al [58] and in the study done in Nigeria, which showed that sexual activity tends to be higher among females than males in Nigeria [27] . Okpani et al reported 78.8% sexual exposure among the adolescents in Port Harcourt. He suggested that the increased sexual activity among in-school adolescents in Port Harcourt might be due to rapid urbanization ofthe city as Nigeria’s crude oil operations expand; coupled with the poor socioeconomic background of the indigenous adolescent[60] . From this study, mean age at sexual debut was 12 ± 3.6 years. The in-school adolescents who are sexually active had initial sexual exposure at about the same age in Nnewi North and South LGAs like their peers in Port Harcourt and Ibadan [60,61] . However, this mean age at sexual debut is low compare to some others from previous studies [62,51,63,54] . This study revealed further that 23.2%, 31.6%, 36.8% and 8.4% had their sexual debut before 10th year birthday, between 10-13 years, 14-17 years and 18-20 years respectively. These percentages showed that most of the sexually active respondents had their sexual debut before they were 17 years old. This is greater than previous studies in several parts of the country [27,39,64] . Sexual debut at an earlier age has been associated with increased risk ofcervical cancer [65] ; viral infections (HIV, HPV etc) [66] ; bacterial infection (gonorrhoea, Chlamydia trachomatis) [67,68] . Studies have also shown that adolescent with earlier sexual debut tend to have multiple partners per unit time [69] . More worrisome is the context in which this sexual debut occurs. Most of the sexually experienced respondents in this study admitted that their first exposure was unplanned (71.6%). In this study, it was established that 3.2% of them were drugged, 4.2% were raped, 25.3% were forced and 40% were deceived into having sex. 22.1% of them attributed their first sexual encounter to curiosity about sex and 5.3% said they actually requested sex. On the whole only about 27.3% of sexual debut by the adolescents seem to have been by mutual consent. These findings agree with the earlier report from the Nigerian studies in Ibadan [61] and Abala[48] . The method of sexual activity practiced by the respondents was mostly vaginal (91.6%). Atleast one in five of the respondents in this study engaged in anal sex and 7.4% in oro-genital sex. These two methods have been associated with increased risk of HIV and other STIs transmission compared to vaginal sex [70,71] . This may be a reflection that homosexuality is now gaining ground in our society contrary to the earlier belief of only being popular in western countries. In fact, 30.5% of these students reported having had homosexual experience. Most respondents, like their peers in other parts of the country [61,72] , first learnt about sexual issues from the media (53.6%) and their school-mates/ friends (33%), sources often not properly informed about adolescent reproductive issues. A report however has indicated increased parents’ participation in sex education now more than in the past [73] . This is a welcome development because they will be in a better position to guide their children against unsafe sexual practices. Unfortunately the level of sexual activity has not been matched by a commensurate level of contraception practice as 40% ofrespondents do not use any form of contraception and only 26.3%use condom. This is comparable to studies in other parts of the country, some of which reported even lower contraceptive usage [60,48,74,63,54] . Unwanted pregnancy is also a notable outcome of adolescent sexual activity in Nigeria. The rate in this study was 18.9%. Most studies have documented an ‘ever pregnant’ rate between 18.4% and 39.1% [39,42-44] . These pregnancies have in most cases been terminated. Documented rate of abortion among ‘ever pregnant’ adolescent girls in the Niger Delta Region of Nigeria ranged between 33.0% and 88.6% [39,42,60,48] , the rate of abortion in this study was 83.3%.In Nigeria, the law restricts abortion, thus most of these abortions are done illegally and by unskilled personnel under septic conditions [75] . About 610,000 induced abortions are carried out in Nigeria annually [33] and it is estimated that 20,000 out of the 50,000 maternal deaths are related to abortion and its complications [76] .Pregnant adolescent girls who do not succeed in procuring an abortion go on to have a delivery and are thus exposed to the risks associated with teenage pregnancy, labour and delivery. From this study, 35.8% of the sexually active adolescents had experienced STI. This is in keeping with the report of Brabin et al which showed that 42.1% of sexually active adolescents had experienced either abortion or STI[64] . It is known that a pre-existing STI increases susceptibility to acquiring HIV infection. STIs if not properly treated could lead to infertility in future. This raises the question of the quality of care obtained by the respondents who sought treatment for the infection outside the health facilities. 5. Conclusion It can be concluded from this study that at least one out of every five in-school adolescents in Nnewi North and South LGAs is sexually active. Most engage in unsafe sexual practices and are thus prone unwanted pregnancy and its complications and contracting STIs including HIV/AIDS. Most of them do not have access to any form of formal sex education and majority of them terminate unwanted pregnancies which in the face of the restrictive abortion laws of Nigeria, are done in sub-standardcentres by unskilled personnel thus posing a problem to their reproductive health. In lieu of the findings from the above study, the following recommendations have been made viz: Increased political European Journal of Preventive Medicine 2015; 3(2): 26-33 31 will and government commitment to adolescent reproductive health issues, incorporation of school-based interventions relating to sexuality education, family life and STIs including HIV/AIDS education into the school system, capacity building for adolescent reproductive health personnel and support for more research on adolescent reproductive health issues.Abstinence and chastity should be preached and upheld in the society and youth-friendly fora where morality is upheld should be promoted in schools. References [1] Singh. SA, Wulf D. Early Child bearing in Nigeria: A Continuing Challenge. Research in Brief. [2] Moronkola OA, Idris OM. Sexual health knowledge, determinants of sexual behaviour and use of contraceptives among female secondary school students in Ibadan, Nigeria. 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