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Prevalence of emergency contraceptive pill use among Spanish adolescent girls and their family and psychological profiles
BMC Women's Health volume 18, Article number: 67 (2018)
Adolescent girls’ family context and psychological characteristics play important roles in their sexual behavior, including the use of the emergency contraceptive pill (ECP). This study aims to (1) determine the prevalence of ECP use among girls who have had sexual intercourse and (2) comparatively analyze their family and psychological profiles according to whether they have used ECPs.
The sample of 1735 Spanish girls aged 15 to 18 came from a representative sample of the 2014 edition of the Health Behaviour in School-aged Children (HBSC) study. Of this sample, 398 girls had sexual intercourse and reported their ECP use. Data collection for the HBSC study was performed through an online questionnaire to which adolescents responded anonymously in school. Data analyses were descriptive and bivariate and were performed with the statistical program IBM SPSS Statistics 23.
The results demonstrated that 30.65% of girls who had sexual intercourse used ECPs. Noticeable differences in paternal knowledge and communication with the father were observed between girls who used the ECP at least once and those who did not use it. In contrast, differences between girls who used the ECP once and those who used it twice or more were pronounced with regard to parental knowledge, communication with parents, maternal affection, life satisfaction, sense of coherence and depression.
This work demonstrates a high prevalence of ECP use and a more positive family and psychological profile for girls who used ECP once compared with those who used it twice or more.
Emergency contraception (EC) refers to methods of contraception that any woman of reproductive age may need in cases of unprotected sexual intercourse, contraceptive failure, incorrect contraceptive use, or sexual assault. EC is recommended within five days after sexual intercourse (although it is more effective when used as soon as possible), when EC can prevent an unwanted pregnancy but cannot cause an abortion or damage a developing embryo . Therefore, EC is an opportunity that must not replace usual contraceptive methods and that does not protect against sexually transmitted diseases .
Among existing EC methods, this work focuses on the study of the emergency contraceptive pill (ECP). In Spain, the distribution of the levonorgestrel ECP in pharmacies without a prescription has been authorized since 2009, although it was marketed for the first time in 2001. The ulipristal acetate ECP was first marketed in 2009 , and its distribution without prescription in pharmacies has been authorized since 2015. In certain Spanish regions, ECP use has no cost for users in public health centers, or its cost is partially or completely refunded if it is purchased with a prescription in pharmacies . This makes it more accessible, especially for the most vulnerable populations, such as adolescent girls, women of low socio-economic status and immigrants . Furthermore, because the ECP prevents unwanted pregnancies, it is especially important in adolescence because an unwanted pregnancy at this stage of life has more negative effects than in adulthood. For the above reasons, many experts assert that access to ECPs must be straightforward for younger girls but that it is necessary to properly inform them beforehand regarding their use [2, 5].
Easy access to ECPs does not entail decreased use of other contraceptive methods. International data from 42 countries in Europe and North America from the 2014 edition in the Health Behaviour in School-aged Children (HBSC) study show that the percentage of Spanish adolescents who used condoms during their last sexual intercourse is high, higher than the use of contraceptive pills. It is especially higher for girls, Spain being the only country in the study in which the percentage of condom use was higher for girls than for boys . One study, which analyzed data on ECP use at last sexual intercourse from eleven countries of the 2006 edition of the HBSC study (Flemish Belgium, Bulgaria, England, Finland, France, Greece, Hungary, Latvia, Sweden, Ukraine, Wales), found that France had the highest percentage of ECP use, probably due to easier access to ECPs. However, this finding did not entail that girls did not use other methods to protect themselves against pregnancy given that the percentages of condom use and/or contraceptive pill use were also high . In short, it seems that adolescents with better access to EC use it when they need it, but they do not modify their usual method of contraception and/or they do not increase their sexual risk behavior .
Several researchers have analyzed the profiles of ECP users, who are usually adolescent girls and young women [9,10,11,12] whose main motive in requesting ECPs is an accident with the male condom, although non-use of contraceptive methods is also indicated by a small percentage of respondents [9, 10, 12, 13].
Despite common EC use, knowledge of EC seems low in adolescence . Therefore, the information that adolescents receive about ECPs and sexuality in general must be improved. Regarding parents as a source of information, one study found that for a third of participants, mothers were the first source of reproductive information. Although fathers were not a first source of reproductive information, some participants indicated that fathers were available to guide them with regard to romantic relationships . However, despite good relationships with their mother and father, most girls do not sufficiently trust their parents to request information from them or to talk to them about their sexual experiences because girls see these as intimate issues. Girls are also reluctant to ask their parents for help in requesting ECPs because they think that this may not be accepted or understood . Nevertheless, girls often want to talk with their parents about sexuality and romantic relationships .
The aforementioned studies emphasize the relevance of family context to healthy sexual development. Among the relevant family dimensions, parental warmth and emotional closeness in the parent-child relationship seem to be related to healthier sexual behaviors, especially for girls . These close parent-child relationships make communication about romantic and sexual relationships more likely, although a close relationship with parents does not guarantee that adolescents will talk about these issues, and discussing them can be effective regardless of whether or not the relationship is close . Furthermore, parent-child communication about issues related to sex is more likely to encourage healthy sexual development and to decrease sexual risk behaviors when parents are open and skilled and they feel comfortable in these discussions . Accordingly, if parents communicate with their adolescent children concerning contraceptive methods and preventing sexually transmitted diseases, adolescents will be more likely to use contraceptive methods . Parental knowledge, a dimension related to communication, is also associated positively with contraceptive use and is very important for healthy sexual development . In fact, adolescents, especially girls, whose parents are more knowledgeable about their friends and activities report lower levels of sexual risk behaviors .
Finally, the relationship between sexual behavior and well-being is important since sexual behavior can be both a risk factor and an asset for adolescent well-being. Thus, adolescents who have experience in sexual intercourse and for whom it is normative in their group report better well-being , especially boys , whereas adolescents who are less sexually active than their peer group report less well-being . Moreover, depression can lead to risky behaviors in a sexual situation, such as lower condom use, especially in girls and women . A strong sense of coherence (SOC), a predictor of mental health, is associated with less involvement in health risk behaviors .
Therefore, adolescent girls’ family context and their psychological characteristics are important factors for their sexual behavior. However, the role of these factors in ECP use and the prevalence of ECP use among adolescent girls have rarely been studied. The above findings, together with the relevance of this topic, highlight the need for this study.
The aims of this study were (1) to determine the prevalence of ECP use among adolescent girls who have had sexual intercourse; (2) to comparatively analyze the family and psychological profile of girls who have used ECP at least once compared with those who have had sexual intercourse and have never used it and of girls who have used ECP once compared with those who have used it twice or more.
The present work takes its data from the 2014 edition of the HBSC study in Spain, which is coordinated by the Spanish HBSC team. The international HBSC study, a World Health Organization collaborative cross-national survey, collects data about health behaviors, social contexts, and the health and well-being of adolescents every four years in more than 40 countries and regions across Europe and North America including Spain. The last edition of the study was in 2013/2014, and the first survey was in 1983/1984 in five countries . This study uses a cross-sectional design.
Participants came from the HBSC study’s representative sample of the Spanish school population aged 11 to 18 years, selected by a random multistage sampling stratified by conglomerates considering adolescents’ age, habitat (rural or urban) and type of school (public or private) .
The present study focused on girls aged 15–16 (63.46%) and 17–18 years (36.54%), a total of 1735 girls who could answer all variables analyzed in this study. Of these, the final sample in this study consisted of 398 girls who had responded to the ECP question. Data for the remaining girls were missing for the following reasons: 1073 girls did not respond due to not having had sexual intercourse, and 34 girls did not respond due to not knowing/not responding. Additionally, the data of 230 girls were considered missing from the system.
Sexual behavior variable: ECP.
Data collection for the HBSC study, which occurred throughout the entirety of Spain from March to December 2014, was performed online through a questionnaire that was accessed from computers connected to the Internet in schools. If the schools had difficulties with Internet access or with computers, tablets were used. This data collection fulfilled the requirements of the international network of the HBSC study , which establish that adolescents must respond to the questionnaire, they must do so in a school context, and the anonymity of their responses must be assured .
Data analyses, performed with the statistical program IBM SPSS 23 (IBM Corp., Armonk, NY) in this work, differed depending on the aims of the study. For aim (1), the analyses were descriptive to determine the prevalence of ECP use. In the case of aim (2), the analyses were descriptive and bivariate to examine differences related to the family and psychological profile. Specifically, this included two sets of analyses: a comparison between girls who had not used ECPs (value No, never) and girls who had used ECPs at least once (sum of values Yes, once, Yes, two times and Yes, three times or more) and a comparison between girls who had used the ECP once (value Yes, once) and girls who had used ECPs twice or more (sum of values Yes, two times and Yes, three times or more). For this second aim, the significance test was Student’s t for independent samples, considered significant if p < .05, and the effect size test was Cohen’s d, in which, based on his criteria, d values were considered negligible (less than 0.20), small (from 0.20 to 0.499), medium (from 0.50 to 0.799) or large (0.80 or greater) .
The prevalence of ECP use was high. 122 girls had used the ECP sometime in their lives (19.85% once and 10.80% twice or more; total prevalence of 30.65%) compared with 276 girls (69.35%) who had had sexual intercourse and had never used it.
Regarding family dimensions, as observed in Table 2, differences between girls who had not used ECPs and girls who had used ECPs at least once were significant and had a small effect size for paternal knowledge. The differences between these two groups were not significant but had a small effect size for communication with the father. Both family dimensions (paternal knowledge and communication with the father) had higher mean values among girls who had never used ECPs.
In contrast, differences between girls who had used ECP once and girls who had used ECPs twice or more were significant and had a medium effect size for maternal affection. These differences were not significant but had small effect sizes for maternal and paternal knowledge and for communication with the mother and with the father. Mean values of these family dimensions (maternal affection, maternal and paternal knowledge and communication with the mother and with the father) were higher among girls who had used ECP once compared with girls who had used ECPs twice or more (see Table 2).
With respect to psychological variables (see Table 3), only the differences between girls who had used the ECP once and girls who had used ECPs twice or more were significant and had a small effect size for SOC. However, the differences were not significant but had small effect sizes for life satisfaction and depression. The mean values of life satisfaction and SOC were higher in girls who had used ECP once, whereas the mean value of depression was higher in girls who had used ECPs twice or more.
This work had two aims: (1) to examine the prevalence of ECP use in adolescent girls who have had sexual intercourse and (2) to analyze the family and psychological profile of girls who have used the ECP at least once compared with girls who have never used it as well as of girls who have used the ECP once compared with girls who have used it twice or more. Regarding this second aim, it is necessary to indicate that the results discussed are those results that obtained noticeable effect size values regardless of whether or not differences were significant considering their p values since in some variables, differences were not significant. This is probably due to the lack of sample size in some crosses, but the effect size was noticeable.
The prevalence of ECP use among Spanish girls aged 15 to 18 years was high given that almost one in three adolescents (30.65%) who had sexual intercourse used ECPs. This finding agrees with another study in Spain in which 28.2% of adolescent girls aged 14 to 18 who had sexual intercourse used ECPs . Nevertheless, condom use is also high in Spain . This prevalence of use among adolescent girls who have had sexual intercourse varies in different studies from other countries; for example, 8.2% of Greek girls with a mean age of 14.7  and 20% of Swiss girls aged 16 to 20  have used ECPs.
Regarding adolescent girls’ family profiles, differences found between girls who had not used ECPs and girls who had used ECP at least once occurred only in paternal knowledge and communication with the father. Girls who had not used ECPs, compared with those who had used ECP at least once, reported that their fathers were more knowledgeable about their lives away from home and that communication with them was easier, which is likely to increase paternal knowledge. These results seem concordant with the results found in a previous study, in which higher paternal knowledge of their children’s friends and activities indicated lower levels of sexual risk behaviors, particularly in girls. Furthermore, fathers may react to their adolescent children’s risk behaviors with greater supervision and consequent knowledge of their lives , which could have protected girls in the present study from encountering risk situations that may lead to ECP use.
With respect to girls who used the ECP once and girls who used it twice or more, differences between them in family dimensions were greater given that parental knowledge, communication with parents and maternal affection were higher among girls who used the ECP once. This finding indicates that vulnerability is reflected not in the use of ECP but in using it more than one time. As other researchers have observed, family plays an important role in healthy sexual development, especially through the dimensions analyzed in this work, such as emotional closeness , parent-child communication about issues related to sex [17, 18] or parental knowledge . In this way, parents have the opportunity and the necessary skill to influence their adolescent children’s decision-making about their sexual behaviors , in this case regarding responsible contraceptive use and the option to request ECP if contraceptives fail. The above findings suggest that professionals should encourage parents to discuss sexuality and romantic relationships with their children, avoiding judgmental attitudes, to improve their adolescent children’s decisions and behaviors  and that it is important that these discussions begin in childhood. If parents have not spoken openly about sexuality throughout the child’s life, doing so in adolescence may be too late .
In relation to adolescent girls’ psychological profiles, no differences were observed between girls who used the ECP at least once and girls who never used it. Differences were only found between girls who used the ECP once and girls who used it twice or more. Life satisfaction and SOC were higher in girls who used the ECP once, whereas depression was higher in girls who used ECPs twice or more. The relation between high life satisfaction and one-time ECP use shows that these girls have good psychological resources that allow them to make effective decisions in important moments; in this sense, ECP availability serves as an asset to adolescents’ well-being . However, the relationship between increased depressive symptoms and ECP use twice or more shows a different result: on the one hand, the recurring behavior of ECP use may entail a risk for girls’ well-being ; on the other hand, it is also possible that depression reduces the initiative necessary for self-care behaviors, such as condom use . Additionally, greater SOC associated with one-time ECP use exposes an expected relationship considering that high SOC is related to a greater capacity to understand and to give meaning to daily activities and the presence of resources to face stressful situations in life , which usually leads to lower involvement in health risk behavior .
Finally, the fact that this study does not allow for the exploration of the reasons for girls’ ECP use or non-use is a limitation to consider in interpreting the results of this work. Another limitation of this work is its cross-sectional design, which does not allow for the analysis of causal relationships between the analyzed variables. A final limitation is related to the sample of this study, which was a small group of the representative sample of girls in the HBSC study. However, this was mainly caused by the characteristics of the sample (the majority of the girls did not respond to the ECP question because they had not had sexual intercourse). Furthermore, 34 girls did not respond to the ECP question despite it being presented to them, probably because this is a sensitive question. On a related matter, the small size of the sample affected the analyses used in this study since it did not allow the performance of multivariate analyses. Nevertheless, this work has also strengths since it is based on a representative sample of Spanish adolescent schoolgirls aged 15 to 18 years, and it broadens the knowledge about an area of ECP use that has been little researched.
This work reports that the prevalence of ECP use is high among Spanish girls aged 15 to 18 years who have had sexual intercourse and presents a more precise and positive image of these girls. This study demonstrates a better family and psychological profile for girls who have used the ECP once compared to girls who have used ECPs twice or more. The above emphasizes the importance of promoting an adequate affective-sexual education for adolescent boys and girls in their family and school contexts [2, 37]. Likewise, the finding that adolescents who used the ECP twice or more showed the most negative profiles may hint at the importance of providing adolescents with sexual and reproductive health services, including contraceptive information and services that they can access without requiring parental or guardian authorization, as recommended by the World Health Organization . Therefore, the results of the present work may have important implications for public health and intervention in the adolescent girl population.
Emergency contraceptive pill
Health Behaviour in School-aged Children
Sense of coherence
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The HBSC study in Spain was supported by the Ministerio de Sanidad, Servicios Sociales e Igualdad; AJI’s work was supported by the V Plan Propio de Investigación de la Universidad de Sevilla 2014 under the action “II.5B Contrato de acceso al Sistema Español de Ciencia, Tecnología e Innovación para el Desarrollo del Programa Propio de I + D + i de la Universidad de Sevilla”. The role of the funding bodies was to provide the economic support for this study through the funding of the HBSC study in Spain and for the work of one of the authors respectively.
Availability of data and materials
The datasets generated and analyzed during the current study can be requested at the following website of the Ministerio de Sanidad, Servicios Sociales e Igualdad from Spain: http://www.msssi.gob.es/profesionales/saludPublica/prevPromocion/promocion/saludJovenes/estudioHBSC/bancoDatos.htm.
Ethics approval and consent to participate
Data used in this study was collected as part of the larger study Health Behaviour in School-Children in Spain. The data used in the present study was available to the authors as members of the HBSC Spain research team.
This study has fulfilled the requirements of the Research Ethical Committee of the University of Seville. Passive consent was obtained from the participants’ parents, who could not to authorize the participation of their daughters in the study through a signed consent but did not have to do anything if they agreed with the study.
The authors declare that they have no competing interests.
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Jiménez-Iglesias, A., Moreno, C., García-Moya, I. et al. Prevalence of emergency contraceptive pill use among Spanish adolescent girls and their family and psychological profiles. BMC Women's Health 18, 67 (2018) doi:10.1186/s12905-018-0560-x
- Emergency contraceptive pill
- Sexual intercourse