Sexual dysfunction and its determinants in Moroccan women with rheumatoid arthritis

Sexual dysfunction and its determinants in Moroccan women with rheumatoid arthritis

Dina Khnaba^1,&, Samira Rostom¹, Racha Lahlou¹, Rachid Bahiri¹, Redouane Abouqal², Najia Hajjaj-Hassouni¹

 

¹Mohammed V^th University, Ibn Sina Universitary Hospitals, El Ayachi Hospital, Department of Rheumatology, Rabat-Salé, Maroc, ²Laboratory of Biostatistical, Clinical and Epidemiological Research, Faculty of Medicine and Pharmacy, Mohammed V^th University, Rabat, Maroc

 

 

^&Corresponding author
Dina Khnaba, Mohammed V^th University, Ibn Sina Universitary Hospitals, El Ayachi Hospital, Department of Rheumatology, Rabat-Salé, Maroc

 

 

 

 

Rheumatoid arthritis (RA) is a systemic chronic inflammatory disease leading to significant morbidity and disability [1, 2]. Fatigue, pain and decreased joint mobility caused by this rheumatic disorder often influence sexual health of patients [3]. RA can affect sexual function due to many reasons: Pain, stiffness, physical restrictions and fatigue are the major complaints of these patients. They can also have problems with body image and self esteem. Their medications can also cause sexual problems. Studies on the subject are limited and show divergent results [4]. Sexual health is an important part of human wellbeing; it has been defined by the World Health Organization (WHO) as a state of physical, mental, emotional and social well-being in relation to sexuality [5]. Sexual function should not be excluded from the monitoring of physical and mental health in our daily practice. The definition of female sexual dysfunction (FSD) used in clinical research was not uniform before the year 2000, where The International Consensus Development Conference on Female Sexual Dysfunction defined female sexual dysfunction as a persistent or recurring decrease in sexual arousal, dyspareunia and difficulty or inability to achieve an orgasm and which leads to personal distress and relationship difficulties [6]. There are several methods for assessing sexual function; the most used on chronic diseases is the FSFI (Female Sexual Function Index) which is validated in different countries. The FSFI is a self administered questionnaire developed by Rosen in 2000 for assessing FSD. It consists of 19 item multidimensional self report instruments for assessing the key dimensions of sexual function such as: desire, arousal, lubrication, orgasm, satisfaction and pain during the last four weeks. This questionnaire is easy to administer and is able to differentiate between women with and without sexual dysfunction; it has a good discriminative validity, internal consistency and test–retest reliability [7]. In our Arabic and Islamic culture, discussion about sexuality may be perceived as a taboo subject, which may explain the lack of studies in this area [8]. In Morocco, there has not been any study about sexual dysfunction among RA women. This is the first study looking at the frequency of FSD in an RA population using the Moroccan Version of FSFI and exploring the relationship between female sexual dysfunction, disease activity and socio cultural factors [9].

 

 

Patients

 

This was a cross sectional, case control study including women with a confirmed diagnosis of Rheumatoid Arthritis, aged 18 or over and attending El Ayachi University Hospital. The American College of Rheumatology (ACR)/ European League against Rheumatism (EULAR) 2010 diagnosis criteria was used in this study. All the patients were married and had a sexual activity within the last 4 weeks prior to the time of data collection. Patients were selected based on the inclusion and exclusion criteria listed below. A written informed consent for participation in the study was obtained from participants. We approached 80 patients but we excluded 20.

 

Inclusion criteria were

 

Female patients aged 18 years old or over, diagnosed with RA according to the ACR/EULAR 2010 criteria and married in a heterosexual relationship for the last 6 months.

 

Exclusion criteria were

 

Patients known to have other chronic disease, psychiatric illness or taking medication that may impair sexual function. Control group were healthy married women volunteers matched for age. The difficulties of writing and learn were an exclusion criteria.

 

Measurement tools: primary outcome measure

 

Female sexual dysfunction (FSD): assessed by Female Sexual Function Index (FSFI)

 

The FSFI is a 19-item multidimensional self-report questionnaire assessing sexual dysfunction in the domains of satisfaction, lubrication, desire, arousal, orgasm and pain during the previous four weeks .The score normally varies between 1.2 and 36. [7]. The definition of sexual dysfunction was considered by FSFI as a score less than or equal to 26.55 [10, 11]. We used the Moroccan version of the FSFI which is being validated [9].

 

Secondary outcome measure

 

Disease activity

 

Rheumatoid Arthritis activity was assessed by DAS 28 ESR score (Disease Activity score erythrocyte sedimentation rate). It is calculated using a simple formula that measures tenderness and swollen joints (28 selected joints), visual analogue scale for patients own perception (global health assessment) and ESR. A DAS28 score less than 2.6 corresponds to remission ,between 2.6 and 3.2 it corresponds to low disease activity , between 3.2 et 5.1 it’s a moderate activity and more than 5.1 corresponds to a high activity [12].

 

Functional status

 

It was evaluated using the Health Assessment Questionnaire (HAQ). The questionnaire consists of eight sections: dressing, arising, eating, walking, personal hygiene, grip, reach and social activities. There are 2 or 3 questions for each section. It explores the functional impact of several rheumatic disorders including RA; it correlates significantly with disease activity and severity parameters. For our local environment, the Moroccan dialect version of HAQ has been validated with strong sensitivity, and is valid for assessing functional status of RA patients in the Moroccan cultural context [13].

 

Quality of life Qol: Short Form36 (SF36)

 

The quality of life QoL was assessed with SF-36 questionnaire, which has been previously validated in the Moroccan population [14]. It’s a 36 item questionnaire measuring quality of life (Qol) across eight domains: physical function, physical role, body pain, general health, vitality, social function, emotional role and mental health. The scores of the eight domains varies between 0 and 100. High scores correspond to less limitations or distress in the different dimensions [14].

 

Psychological status: Hospital anxiety and depression scale HAD

 

It is a questionnaire commonly used to determine the level of anxiety and depression that a patient is experiencing .It is a fourteen item scale, where seven questions are related to anxiety and seven questions are related to depression Each item is scored from 0 to 3, a person can score between 0 and 21 for either anxiety or depression .We used the validate Arabic version to detect patients with anxiety or depression [15].

 

Study protocol

 

After consent was received, patients answered a sociodemographic questionnaire, including age, marital status, educational level and professional activity. Disease-specific variables such as date of diagnosis of RA, disease duration, history of medication and physical examination were recorded. The Moroccan version of FSFI was self-administered by the patients in a private room to allow privacy. Patients were assessed using the DAS28, HAQ, the Visual Analogue Scale for Pain and fatigue (VAS), SF36 and HAD scale. All patients had routine blood investigations: ESR, C-reactive protein (CRP) rheumatoid factor RF and anti-citrulinated protein antibodies ACPA.

 

Statistical analysis

 

Data analysis was performed using SPSS for windows version 18. Data was expressed as mean ± SD (standard deviation) (for normally distributed data) or median (25th, 75th centiles) (for non-normally distributed data). We divided our patients in 2 groups F+(with sexual dysfunction) and F- (without sexual dysfunction) and we analyzed the variables between these two groups using the independent sample t test (for normally distributed data) , chi square (for qualitative data) and the Man -Whitney U-test (for Non-parametric data).We correlated the FSFI score and its domains to the different parameters of the patients and the disease using the Spearman test. Multivariate analysis was done for data found to be significant in bivariate analysis. Multiple logistic regressions were used to analyze predictors for FSD. Factors significant (P < 0.05) in unadjusted analyses were included in a logistic regression model to determine factors independently associated with sexual impact, with results presented as odds ratios (ORs) with 95% CI.

 

 

Characteristics of patients with RA

 

Sixty patients who attended El Ayachi hospital were screened, the mean of the age of women with RA recruited was 45.18±8.76 years, forty four (73.3%) had a primary educational level and fifty-three (88.3%) had no professional activity. All patients were married, and eighteen of them (30%) were at menopause.

 

Disease characteristics

 

All patients had established RA, twenty four (40%) of them were seropositive .The median of disease duration was 68(37.5-126.6) months. The mean of DAS28 ESR was 4.12±1.70 and the median of HAQ was 1(0.5-1.3).

 

Sexual function

 

All our patients were assessed using the Moroccan version of FSFI. The mean of the score of FSFI among our patients was 18.3±9.1, forty six (71.9%) of them had a sexual dysfunction. The median of the different domains of FSFI were respectively: Desire 1.5(1.2-3); arousal 2.4(1.2-3.6); lubrification 3.15(1.2-3.6); orgasm 3(1.2-4.4); satisfaction 3.6(2.4-5.1); pain 5.8(2.17-6).Other characteristics of patients and disease are represented in Table 1 and Table 2.

 

Comparison between women with RA and controls

 

After comparing our sixty patients and the thirty-one healthy volunteer controls for all domains of FSFI, we found a statistically significant difference between the two groups in almost all dimensions of sexual function (desire(p <0.0001), arousal(p =0.004), orgasm(p =0.004), satisfaction(p =0.004)), except for pain (p =0.20)and lubrication (p =0.13).

 

Comparison between RA women with and without sexual dysfunction

 

After Comparison between RA women with (F+) and without (F-) sexual dysfunction, we found as shown in Table 3 that: there was no significant difference between patients with and without sexual dysfunction in term of age (mean of age of patients F+ and F-were respectively 45.54±8.89 years and 44±8.53 with P = 0.56).However they differed in term of educational level (p =0.033).

 

Patients with sexual dysfunction had significantly longer duration of disease (p = 0.044) and a higher cumulative dose of corticosteroid (p=0.015) compared to those without sexual dysfunction. Patients with sexual dysfunction reported higher pain expressed by VAS than patients without sexual dysfunction (p=0.004) .Disease activity measured using DAS28ESR, ESR and CRP level did not differ between those with and without sexual dysfunction.

 

Both patients with (F+) and without (F-) sexual dysfunction had similar HAQ scores for assessing disability. There was no difference between patients with and without sexual dysfunction in disability grading (p=0.081).They differed in term of mental status assessed by both HAD (p=0.03) and SF36 score (p=0.006) (Table 3).

 

Predictors of FSD

 

In univariate analysis, the determinant factors of sexual dysfunction were pain assessed by VAS, anxiety and depression assessed by HAD and QOL assessed by physical and mental score of SF36 as shown in Table 4 and Table 5. In multivariate analysis pain assessed by VAS and depression assessed by HAD were the independent determinants of sexual dysfunction with respectively (Expβ=0.923; CI 95% between 0.866 and 0.998; p=0.043 and Expβ=0.698; CI 95% between 0.480 and 1.016; p=0.05).

 

Correlation between FSFI domains and disease activity, functional and psychological status

 

After examining each FSFI domain score, Age had a negative significant correlation with almost all domains of FSFI (Table 6). We found also that VAS pain had a significant negative correlation with excitation (Spearman’s rho = -0.291, P =0.024), satisfaction (Spearman’s rho = -0.366, P = 0.004) and pain (Spearman’s rho = -0.256, P = 0.049) (Table 6). DAS 28 ESR did not have any significant correlation with FSFI scores or its domains except for pain.

 

We found a negative correlation between HAQ score and desire, arousal and satisfaction (with respectively Spearman’s rho = -0.353, P = 0.007; Spearman’s rho = -0.348, P = 0.008; Spearman’s rho = -0.349, P = 0.002). HAD Depression scale had a significant negative correlation with FSFI total score and its domains. Almost all domains of SF 36 had significant positive correlation with FSFI domains (Table 6).

 

 

The aim of this study was to explore the prevalence of sexual dysfunction in women with RA and to evaluate its association with socio-demography, disease activity, functional and psychological status. Communication about sexuality is stills a taboo topic in our context. Indeed, many patients are reluctant to raise sexual activity as well as health professionals. These finding are consistent with a previous study in our country [16]. Despite our reserved culture, none of our patients refused to participate in this study.

 

The prevalence of FSD in our sample was respectively 71.9% of women with RA and 28.1% of healthy controls. The most affected dimensions of sexuality were: lower scores in the domains of desire, arousal, orgasm and satisfaction in women with RA than in controls. Our results are approximately similar to those found in the literature [17-20]. The percentage of RA patients experiencing sexual problems ranged in previous studies from 29 to 76% [17,18]. To the best of our knowledge, there were few RA studies using FSFI as a measure of sexual dysfunction . Shahar and al assessed sexual function in women with RA using the FSFI score, they reported a lower prevalence of FSD (29.4%) [17]. Similarly, coskun and all reported that 68.75% of Turkish women with RA had a sexual dysfunction according to FSFI score versus 15% of healthy controls. Total score and all domains of FSFI, except of pain were lower in RA group versus control group [18]. In Frikha and colleague’s study ,7 out of 10 women with RA had a sexual dysfunction assessed by FSFI score and all subscales of FSFI were affected [19]. Another Turkish study found a mean of total score of FSFI in patients with RA (22.6 ± 9.0) significantly lower than controls (34.6 ±8.3) [20]. In comparison, the prevalence of sexual dysfunction in rheumatic disease (including systemic lupus erythematosus; rheumatoid arthritis; systemic sclerosis; antiphospholipid antibody syndrome; and fibromyalgia) assessed using FSFI was 18.4% [11]. Ayden et al reported 54.2% of sexual dysfunction in patients with Fibromyalgia versus 15.8% in controls using the FSFI questionnaire [11]. Indeed, 36 to 70% of all patients with RA are experiencing reduced sexual health, and they think that the problem is directly or indirectly due to their rheumatoid disorder .Women report more joint difficulties than men especially during sexual activities [21]. Two large surveys conducted by patient’s organizations in France evaluating respectively 7,700 and 1,200 patients with RA who completed the questionnaires show that 51% of patients reported an adverse impact of this disease on their Sexuality [22], 70% reported a negative impact of the disease on their sexuality and 72% reported never having discussed their sexuality issues with a health care professional [23]. On the other hand, sexual health of patients is still rarely evaluated during medical visits [11] even if 56% of RA patients think that sexual health is a very important subject [3]. A recent study shows that rheumatologists assessed sexual activity in only 12% of their patients. the main reason of this negligence were, in their opinion, lack of time, difficulty in communication on this subject, or thinking that the issue is not related to their field [24]. Other reasons explaining this lack of interest in the assessment of sexual dysfunction among RA patients is the embarrassment when discussing their sexual activity [25].

 

In the present study we tried to see if sexual function was affected by disease activity, disability, quality of life or psychological status. In univariate analysis , we found that pain assessed by VAS, psychological status assessed by HAD and Qol assessed by SF36 were the determinants of sexual dysfunction, but when entered simultaneously, only pain and depression seem to be the independent factors affecting the sexual function. These findings are consistent with previous studies: Yilmaz and al reported that pain, disease activity and depression were determined to have a negative effect on sexual functions of women with RA [20]. A literature review of the sexual health of women with RA found that pain, reduced joint mobility, fatigue, depression and body image alterations affected sexual health of these patients [26]. Abdel-Nasser and al found in their regression model that pain, age, and depression were the significant determinants for sexual dissatisfaction [27]. Indeed, sexual problems are common in patients with chronic pain and in those with symptoms of distress and depression [28]. In the same way, Helland and colleagues found that mental distress was one of the factors independently associated with perceived problems with sexual activity [29].

 

In the present study, it appears that the level of pain and depression play more significant roles compared to disease activity or other parameters in contributing to sexual dysfunction in women with RA. It should be noted that our study was a cross-sectional study, so it was impossible to determine the direction of any causality. Our sample was small and taken from a monocentric tertiary care setting, therefore, the patients may have more sever and active disease. So it’s difficult to generalize the results. However, our strong points were that despite our reserved culture, we evaluated the sexual function of women with RA using a validated questionnaire.

 

 

Our findings suggest that patients with RA, experience high levels of impairment of sexual function (71.9 % of women with sexual dysfunction). Factors found to have an independent effect on sexual function were pain and depression. Hence, health providers should be aware that sexual impairment is an important consequence of RA; they must consider sexual function as a part of the assessment of disability or quality of life in patients and should guide them by providing information or referral to specialists when appropriate. In the other hand, a better control of pain and depression symptoms may lead us to a better management of sexual life of our patients.

 

 

The authors declare no competing interests.

 

 

RL participated in study design, enrolled patients, participated in data acquisition and drafted the manuscript. SR conceived the original idea for the study, supervised its design, performed the statistical analysis and gave critical comments on the draft manuscript. AH enrolled patients participated in data acquisition and critical revision of the manuscript. DK enrolled patients, participated in data acquisition and critical revision of the manuscript. NB enrolled patients, participated in data acquisition and critical revision of the manuscript. RB participated in study design and gave critical comments on the draft manuscript. NHH participated in the study design, coordinated the study and gave critical comments on the draft manuscript. All authors read and approved the final manuscript.

 

 

Table 1: sociodemographic and disease characteristics of patients with rheumatoid arthritis

Table 2: disease characteristics and sexual function of patients

Table 3: comparison between patients with (F+) and without (F-) sexual dysfunction

Table 4: sociodemographic and disease activity determinants of sexual dysfunction in univariate and multivariate analysis

Table 5: psychological and Qol determinants of sexual dysfunction

Table 6: correlations between sociodemographic characteristics, disease activity, total score and domains of FSFI

 

 

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