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19-10-2015 | Brief Communication | Uitgave 2/2016 Open Access

Journal of Autism and Developmental Disorders 2/2016

Parental Awareness of Sexual Experience in Adolescent Boys With Autism Spectrum Disorder

Tijdschrift:
Journal of Autism and Developmental Disorders > Uitgave 2/2016
Auteurs:
J. Dewinter, R. Vermeiren, I. Vanwesenbeeck, Ch. Van Nieuwenhuizen

Introduction

A number of recent studies have asked adolescents and adults with autism spectrum disorders (ASDs) about their sexual experience and sexuality (Byers et al. 2012, 2013; Dewinter et al. 2015). These studies, which were based on self-report, showed that the lifetime sexual experience of high-functioning adolescent boys with ASD was comparable to that of their peers in the general population (Dewinter et al. 2015) or demonstrated healthy sexual functioning in adults with ASD (Byers et al. 2012, 2013). Sexual health (World Health Organization 2006) refers to a state of well-being and a positive, respectful, safe, and pleasurable approach of sexuality and sexual relationships. Earlier research based on parent (Holmes and Himle 2014) or caregiver reports (Hellemans et al. 2007), however, showed that parents and caregivers thought that adolescents with ASD had less experience of different sexual behaviours than was suggested by adolescents’ self-reports in a recent study (Dewinter et al. 2015). The difference between these two types of data may reflect parental underestimation of adolescents’ sexual experience. Research (e.g. Jaccard et al. 1998; Liddon et al. 2013; Mollborn and Everett 2010) demonstrated that parents of boys in the general population also underestimate the sexual experience (mainly sexual intercourse) of their adolescent children. So, parents of boys with ASD might not differ in their knowledge on the sexual experience of their sons compared to parents of non-ASD peers.
Since parents are the primary sex educators of their children (Sexuality Information and Education Council of the United States 2004), parents’ underestimation and unawareness of their sons’ sexual experience may have implications for communication and education related to these topics. Earlier research (Ballan 2012; Ruble and Dalrymple 1993) indicated that parents of children with ASD were less inclined to discuss issues of sexuality with their children if they believed that their child’s condition precluded a romantic relationship. Parents also reported uncertainty about what, when and how to tell their children about sex and sexuality (Nichols and Blakeley-Smith 2009). This uncertainty may be due to a combination of lack of knowledge about sexual development in adolescents with ASD, and lack of awareness or underestimation of their adolescent child’s sexual experience. Parental underestimation of, and unawareness about the sexual experience of adolescents with ASD may directly influence parent-adolescent communication about sex and sexuality, and the timing of parental sex education. Offering timely information about sexuality and how to deal with it can promote healthy sexual development in adolescents with ASD and help to prevent inappropriate or aversive sexual behaviours and experiences. Limited sexuality education might lead to unawareness in adolescents of conventions related to sexuality and relationships, to frustration (e.g. ineffective masturbation practices), and self-harm (e.g. excessive masturbation).
Sexuality development encompasses more than experience with solo and partnered sexual acts: it is about mind and body, individual experiences and attributes (e.g. desire, pleasure, identity, preference, fantasies, roles, and norms), relationships, and social influences (e.g. law, mores, and culture) (Tolman and Diamond 2014; WHO 2006). This study compared parent and adolescent reports of lifetime solo and partnered sexual behaviour in a sample of adolescent boys with ASD. We assumed that the boys would report more sexual experience than their parents reported being aware of.

Method

Participants

The inclusion criteria for adolescent participants were male sex; age 15–18 years; Dutch or Belgian cultural background and a diagnosis of an Autistic Disorder or Asperger’s Disorder. Adolescent participants also had to be attending mainstream school or score in the below average range or above on standardised intelligence measures (Full-Scale IQ > 70). Comorbid psychopathology, other than florid psychotic symptoms, was not an exclusion criterion. The parents of all adolescent participants could participate in the study. ASD features were assessed with the ADOS (Autism Diagnostic Observation Schedule), module 4 (fluent speech) (Lord et al. 1999). One hundred and forty-six boys and their parents received information on this study. The parents of 44 of the participating boys (n = 51) agreed to participate in this study and completed a questionnaire. One parent-adolescent dyad was excluded because the boy reported that he did not dare to answer the questions honestly, leaving a sample of 43 dyads (see Table 1 for participant characteristics). One or both parents completed the parental questionnaire. No additional information on the background of the parents is available.
Table 1
Sample characteristics (N = 43)
 
M (SD)
(range)
n
%
Age
16.67 (.81)
(range: 15–18 years)
  
Primary diagnosis (DSM IV-TR)
 Autistic disorder
 
18
25
 Asperger’s syndrome
 
25
58
ADOS module 4 (n = 41)
8.29 (2.9)
(range: 3–14)
  
 Above cut-off autism
 
16
37.2
 Above cut-off autism spectrum
 
14
32.6
 Below cut-off autism spectrum
 
11
25.6
Comorbidity
 Attention deficit disorders
 
12
28
 Anxiety disorders
 
3
7
 Learning disorders
 
3
7
Full Scale IQ (n = 39)
104.26 (15.87)
(range: 76–142)
  
Educational level
 Low (secondary education, prevocational level and lower)
 
26
60
 High secondary education
 
17
40
Participants lived in the Netherlands or Belgium. In general the population of both countries has a liberal attitude to adolescent sexuality (de Looze et al. 2014), meaning that parents think about adolescent sexuality as a normative activity in romantic relationships. Comprehensive sex education is part of most school curricula.

Materials

Self-Report Data

All boys answered nine questions on lifetime experience of romantic relationships and common solo and partnered sexual behaviours (Fortenberry 2013; Moore and Rosenthal 2006). These questions were part of an online questionnaire developed for the ‘Sex under the age of 25 II’ study (de Graaf et al. 2012). This questionnaire consisted of 177 questions relating to various aspects of sexual health. All nine questions followed a closed, multiple-choice answer format. The questions were formulated in simple language (‘Have you ever…’) and the relevant sexual behaviours were described in discrete boxes placed next to the questions. The response format for all questions was dichotomous (yes/no), except for the question on experience of orgasm (third alternative: I don’t know).

Parent Reports

Parents answered nine questions about their sons’ lifetime experience of various sexual behaviours, which were developed specifically for this study. The self-report questions on common sexual behaviours were adapted to be completed by parents (‘did your son ever…’ instead of ‘did you ever…’). All questions followed a closed, three-choice (yes; no; don’t know) format.

Procedure

Following ethical review (Medical Ethical Committeeu reference NL34563.097.11 in the Netherlands; approval 4112 by the Institutional Review Board ZNA/OCMW in Antwerp, Belgium) participants were recruited from several institutions and schools between January 2012 and May 2013. Eligible participants and their parents received an information letter and leaflets on the study from the organisations and professionals working with them. None of the participants was dependent on the researchers for treatment. Parents and adolescents were invited to contact the researcher to indicate whether they were willing to participate. If no response was received within 10 days they were contacted again. A call for participants was also posted on the website of the Dutch Autism Association. All participating boys and parents gave written informed consent.
The participating boys could complete the online questionnaire in private and anonymously in whatever location they found convenient (at school; at home or another residence; at our centre); most chose to complete the questionnaire with a researcher nearby to answer questions if necessary. The researcher could not see the boys’ answers during completion. Some boys asked for help or preferred to have the questions read aloud by the researcher. Two boys preferred to complete the survey on their own at home. Participants received a €5 voucher after completing the survey. If possible, the ADOS was conducted in the same session, before the boy completed the questionnaire.
Parents could complete the parental questionnaire online at a secured webpage or in a paper-and-pencil version.

Statistical Analysis

We report the number of adolescents who confirmed the different sexual experiences, agreement between parents and their sons separately on the occurrence and non-occurrence of the lifetime sexual experience, the proportion of parents who were ignorant of whether their son had or had not experienced each form of sexual behaviour, and parental awareness (sum of agreement on occurrence and non-occurrence). SPSS21 was used for data analysis.
The collected data were not suitable for further statistical analyses. The reported percentages do offer insight into differences between parent- and self-report.

Results

As can be seen from Table 2, half of the parents reported that they did not know whether their sons had experienced masturbation or orgasm.
Table 2
Agreement on sexual experience between boys with ASD and their parents (N = 43 dyads)
Relational or sexual behaviour
Adolescent report
Parental report
Parental awarenessa
Agreement on occurrence
Agreement on non-occurrence
Do not know
n
%
n
%
n
%
n
%
n
%
Masturbation
41
95.3
22
53.6
1
50
19
44.2
23
53.5
Orgasm
38
88.4
19
50
1
100
22
51.2
20
46.5
Relationship
32
74.4
28
87.5
10
91
1
2.3
38
88.4
French kissing
26
60.5
20
76.9
12
71
7
16.3
32
74.4
Petting above clothes
24
55.8
16
66.6
12
63
11
25.6
28
65.1
Penile/vaginal intercourse
12
27.9
8
66.7
22
71
12
27.9
30
69.8
Making love to a boy
1
2.3
0
0
39
93
3
7
39
90.7
Forcing someone else to do sexual things
2
4.7
1
50
35
85
7
16.3
36
83.7
Being forced to do sexual things
3
7
1
33.3
37
92
1
2.3
38
88.4
aParents correctly aware of the presence or absence of sexual behaviour
Almost all boys reported that they had masturbated and the majority had experienced orgasm. About half the parents of adolescents who had solo sexual experience were aware of this. The majority of parents correctly reported that their son had had a relationship and or had experienced French kissing. About a third of the boys reported that they had had sexual intercourse with a girl. A quarter of the parents stated that they did not know if their son had experienced sexual intercourse. Eight out of twelve parents reported correctly that their son had had intercourse. The majority of parents reported same sex experience or lack thereof correctly. Overestimation by parents (i.e. false positives) was rare: two parents assumed incorrectly that their sons had experience with kissing, and one parent thought this about hugging. One in six parents stated that they did not know whether or not their son had forced someone to do sexual things, and most parents thought that their son had not suffered sexual victimisation. Only a small percentage of boys reported same-sex sexual experiences, sexual victimisation, or sexual coercion. Not all parents knew about of their sons’ negative sexual experiences (coercion and victimisation).

Discussion

This study investigated agreement between parental and self-report on the lifetime sexual experience with common solo and partnered sexual acts in adolescent boys with ASD. The results confirm that boys with ASD report more sexual experience than their parents are aware of. Overall, a substantial proportion of parents was uncertain about the extent of their son’s sexual experiences or underestimated their son’s sexual experience, particularly with respect to solo sexual behaviours. There is no evidence that parents of adolescents with ASD differ from those of boys in the general population pertaining to their awareness of the sexual experience of their children. However, our insight in sexual functioning of adolescents with ASD is mostly based on parental, teacher, and caregiver reports (e.g. Hellemans et al. 2007, 2010; Mehzabin and Stokes 2011; Stokes and Kaur 2005) and might thus be biased. The results of this study have not only implications for the interpretation of earlier research but also for sex education.
Parents were less likely to report that they knew about their sons’ solo sexual experiences (masturbation; experiencing an orgasm) than about their partnered sexual behaviours (having been in a relationship; penile-vaginal intercourse). Parents often declared that they were uncertain about whether their sons masturbated, rather than incorrectly assuming that they did not. Parents’ uncertainty about their sons’ masturbation habits might indicate that these adolescents masturbated in private, as is socially appropriate. Masturbation plays an important role in the sexual development of boys (Robbins et al. 2011) and is one of the most common and earliest sexual experiences in male adolescent sexual development; low levels of parental knowledge about masturbation habits might reflect limited parent-adolescent discussion about masturbation. For many people, there is a taboo on talking about masturbation because of its undeniably sexual connotation. Frankel (2002) argued that parents were less inclined to discuss semenarche (first ejaculation) with their sons than menarche with their daughters due to the sexual connotations of semenarche. Although semenarche should not be confounded with masturbation it is possible that similar taboos influence parental discussion of both topics. Partnered sexual behaviours are possibly easier to discuss, because they can be related to safe sex and prevention of teenage pregnancy, i.e. discussed as a health issue rather than as a sex issue. Masturbation is more directly related to sexual pleasure. It might be valuable to offer adolescents boys with ASD timely and appropriate information about sexual arousal, sexual pleasure, and masturbation to support their sexual development. Holmes and Himle (2014) found that many parents did not discuss general aspects of sexuality and relationships, apart from issues related to abuse prevention, hygiene and privacy. Unfortunately our data do not reveal whether or not the parents in this study discussed these topics with their sons. The role of parent-adolescent communication about sex in the sexual development of adolescents with ASD is a subject for further research. Also, the data do not offer insight in the way the boys deal with masturbation. We do not know if there is a relationship between inappropriate masturbation practices and the awareness of parents.
Parent-adolescent agreement about sexual experiences was higher with respect to romantic relationships and partnered sexual experiences than solo sexual experiences. The majority of the boys with ASD in this study had been in a romantic relationship, and most parents were aware of this; nevertheless about a third of parents underestimated their sons’ partnered sexual experience. The underestimation of sexual experience of their sons’ might reflect limited discussion of sexual experiences between adolescents and parents. It is also possible that assumptions about their sons’ lack of sexual experience temper parents’ inclination to discuss partnered sexual behaviours with their sons. The taboo on discussing romantic relationships is possibly less strong than the taboo on talking about the sexual aspects of relationships. The higher level of agreement about partnered sexual experience might also be explained by the generally lower frequencies of partnered experiences. Given parental underestimation, the probability of agreement on the absence of a behaviour is higher in the case of low-frequency behaviours (Mollborn and Everett 2010). It would be interesting to examine parent-adolescent agreement on the partnered sexual experiences of older boys with ASD as it is possible that a higher proportion of them will have had partnered sexual experiences.
The number of boys who reported having forced someone else to do sexual things or having been forced to do sexual things themselves was low. Slightly more parents stated that they did not know if their son had coerced someone into sexual behaviour than reported that they did not know if their son had been victimised sexually. This finding should be interpreted with care, given the exploratory nature of this study; however parents could have doubted about the possibility that their sons coerced others to sexual behaviours.
Earlier research (Ballan 2012; Nichols and Blakeley-Smith 2009) suggested that parents do not know what to expect when it comes to the sexual development of adolescent children with ASD and hesitate to discuss issues related to sex and sexuality when they are unsure whether the adolescent has any sexual interest. It is possible that adolescents react negatively or hesitantly when their parents initiate discussions about sex and sexuality and this might further enhance parents’ uncertainty about how to handle the issue. Given that only limited evidence is available on the sexual development of children and adolescents with ASD, the underestimation of sexual experience seen in this study might be related to a lack of sex communication and education among a significant proportion of adolescents with ASD. Research evidence and clinical opinion agree that sex education delivered by parents is important (Ballan 2012; Hellemans et al. 2007; Mehzabin and Stokes 2011; Nichols and Blakeley-Smith 2009; Stokes and Kaur 2005), so it is advisable to help parents fulfil this duty by providing information appropriate to the age and physical maturity of their child. There is still no systematic evidence about the prevalence of abnormal sexual development in adolescents with ASD; it is therefore possible that features of ASD might increase the probability of a child finding the physical changes and development of sexual interest associated with sexual maturation a negative experience. Similarly, features of ASD may increase the risk of developing inappropriate sexual behaviours. In daily clinical practice we meet adolescents who develop specific, sometimes inadequate, masturbation techniques or paraphilic arousal patterns that cause concern when they come to light. There is also no evidence on the prevalence of paraphilias or problems with masturbation in boys with ASD; however early and sensitive attention to sexual arousal and masturbation may promote healthy sexual development. It might be a challenge for parents to understand and discuss sexuality development in adolescent with ASD, and to deal with seemingly inappropriate sexual behaviours. Hence, professional support and information should be available for parents.
Finally, parents’ underestimation and ignorance of the extent of the lifetime sexual experience of adolescent sons with ASD has implications for the interpretation of research based on parent or caregiver reports. Future research on sexuality in people with ASD should include self-report data in order to get more insight into development in this domain. Additional research based on self-report data could improve our understanding of sexual development in adolescents with ASD.

Strengths, Limitations, and Further Research

This is the first comparison of parental reports and self-reports of the lifetime sexual experience of boys with ASD in a sample of parent–child dyads and provides additional insight into earlier studies based on parent and caregiver reports of sexual behaviours in adolescents with ASD. Nevertheless the limitations of the study should be borne in mind. First, possible selection bias and the participant profile (the sample was limited to adolescents with high-functioning autism) limit the generalizability of our findings. Second, it has been reported that mothers and fathers communicate differently about sex and sexuality with their children (Diiorio et al. 2003) and we do not have data on which parent or parents completed the questions about adolescent sexual experience in our study. Third, this study only focused on lifetime experience with the most common solo and partnered sexual acts, leaving questions on different other aspects relating to sexuality still unanswered.
Our results and the limitations of the study raise issues for further research. First, this study should be replicated in other samples of adolescent boys and girls with ASD to confirm and refine our findings. In addition, further research should look for behavioural cues to detect adolescents’ problems or concerns about sex and sexuality, which should trigger additional support or early intervention. Finally, little is known about the variables, for instance parent–child communication about sex and sexuality, which influence parental awareness of the sexual behaviour of adolescents with ASD.

Conclusion

Parents play a critical role in education about sex and sexuality, although they are often uncertain about how, when and what information to provide or discuss (Ballan 2012; Holmes and Himle 2014; Nichols and Blakeley-Smith 2009). Comprehensive sex education, including a variety of issues relating to sexuality including solo and partnered sex (SIECUS 2004) is likely to play an important role in promoting healthy sexual development and preventing harmful or aversive sexual experiences in adolescents with ASD, as it does in other adolescents. Several authors (e.g. Attwood et al. 2014; Dekker et al. 2015; Hénault 2005) made suggestions on sexuality education and developed programs attuned to adolescents with ASD. This study showed that parents tend to be uncertain about, or underestimate the extent of their adolescent’s sexual experience; this suggests they would benefit from receiving information about sexual development in adolescents with ASD. Such information should be made more available and parents should also have access to support to help them make decisions about when and how to discuss issues of sex and sexuality .

Acknowledgments

We are most grateful to all boys and their parents who participated in this study. The authors also would like to thank Hanneke De Graaf, Rutgers WPF, for sharing the SO25II questionnaire and data. Also thanks to Karin Brouwers and colleagues at Koninklijke Kentalis, Eindhoven; Liesbeth Van Vught and colleagues at Pleinschool Helder, Eindhoven; Jan Wijnja and colleagues at VSO De Korenaer, Eindhoven; Karien de Jonge and colleagues at Herlaarhof, Vught; Sussiel Brands at Leo Kannerhuis Brabant, Tilburg; Sanne Herpers and MJ Verhappen at GGzOostbrabant and our colleagues at UKJA, Antwerpen and GGzE. No grants or support were received for this work.

Author Contributions

All authors contributed to data-analysis and writing of this manuscript.

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.
Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://​creativecommons.​org/​licenses/​by/​4.​0/​), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Literatuur
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