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Journal of Clinical Oncology, Vol 22, No 5 (March 1), 2004: pp. 881-889 © 2004 American Society of Clinical Oncology. DOI: 10.1200/JCO.2004.08.150 Predictors of Sexual Functioning in Ovarian Cancer PatientsFrom the Departments of Behavioral Science and Gynecologic Oncology, the University of Texas M.D. Anderson Cancer Center, Houston, TX Address reprint requests to Cindy L. Carmack Taylor, PhD, Department of Behavioral Science, Box 243, University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030; e-mail: ccarmack{at}mdanderson.org
PURPOSE: To characterize sexual functioning of ovarian cancer patients and identify factors predicting sexual activity, functioning or satisfaction, discomfort, and habit or frequency. PATIENTS AND METHODS: Data were collected on 232 women with epithelial ovarian cancer, 47% of whom were receiving treatment. RESULTS: Fifty percent of the patients had engaged in sexual activity in the past month. Of those who were sexually active, 47% reported no or little desire, 80% reported problems with vaginal dryness, and 62% reported pain or discomfort during penetration. Of those who were sexually inactive, reasons included no partner (44.1%), lack of interest (38.7%), physical problems making sex difficult (23.4%), and fatigue (10.8%). Partner factors also were identified, including physical problems (16.2%), lack of interest (15.3%), and fatigue (5.4%). A multivariate model was used to predict sexual activity and included demographic, medical, and psychosocial factors as predictors. Women who were married (P < .001), were younger than 56 years (P < .001), were not receiving active treatment (P < .01), had a longer time since original diagnosis (P = .104), and liked the appearance of their bodies (P = .004) were more likely to be sexually active. Univariate analyses indicated that demographic, medical, and psychosocial factors are significantly associated with sexual functioning or satisfaction, sexual discomfort, and sexual frequency or habit. CONCLUSION: Sexual rehabilitation for ovarian cancer patients should address management of physical and psychologic symptoms and include the patient's partner when appropriate.
Sexual functioning is the most enduringly compromised quality-of-life (QOL) issue after treatment for gynecologic cancer, affecting up to 50% of patients [1,2]. Problems include loss of sexual desire, dyspareunia, sensation loss in the genital area, and decreased ability to achieve orgasm. Unfortunately, there is limited knowledge of specific sexual functioning problems of ovarian cancer patients because they are usually grouped with other gynecologic cancer patients. Unlike cervical and endometrial cancers, which tend to be diagnosed at earlier stages, ovarian cancer is frequently diagnosed after it has spread into the abdomen. It usually is not curable, requires aggressive treatment including multiple surgeries and repeated chemotherapy regimens, and has a low 5-year survival [3]. Only one study has assessed ovarian cancer survivors' sexuality [4]. In a sample of 200 survivors at least 2 years after treatment, 57% reported worsened sex lives, with younger and married women reporting more negative effects. Furthermore, 44.5% characterized their sense of loss regarding their sexuality as moderate (19%) or great (25.5%). There are medical reasons for sexual dysfunction after treatment. Oophorectomy, performed to treat most ovarian cancers, triggers menopause in premenopausal women. The resulting decrease in estrogen and androgen production causes vaginal atrophy, thinned vulvar and vaginal tissues, decreased tissue elasticity and vaginal lubrication, hot flashes, and more frequent urinary tract infections, mood swings, fatigue, and irritability. Chemotherapy can also influence sexual desire by increasing fatigue and nausea [5]. Psychosocial factors have not been examined in ovarian cancer patients, but may contribute to sexual problems after treatment. Hysterectomy and abdominal scarring may negatively influence body image. Studies of other female cancers show that body image predicts sexual interest and satisfaction [6]. In addition, ovarian cancer patients have high rates of psychologic distress [7], including depression and anxiety [8]. Depression decreases sexual desire, an effect potentially exacerbated by serotonergic reuptake inhibitor antidepressants [9]. Finally, partner factors may influence sexual activity after treatment. Because ovarian cancer risk increases with age and peaks in the eighth decade [10], patients' partners also are older, increasing their risk for medical problems that contribute to sexual inactivity or dysfunction. The partner's psychologic reaction to cancer and its treatment also may affect their sexual relationship because most couples find it difficult to communicate about sexual problems during illness and stress [11]. The one identified study of sexual functioning in ovarian cancer assessed only survivors' perceptions of change in their sex lives after cancer [4]. A more thorough approach would assess dyspareunia, vaginal dryness, and all domains of the sexual response cycle in survivors and in women receiving treatment. Identifying predictors of sexual functioning allows healthcare workers to offer preventive rehabilitation to women at risk for developing sexual problems. The purpose of this study was to characterize the sexual functioning of ovarian cancer patients and identify factors predicting their sexual activity, as well as those associated with sexual functioning or satisfaction, sexual discomfort, and sexual habit.
Sample The data reported here were part of a larger study that determined the psychometric properties of the Functional Assessment of Cancer TherapyOvarian (FACT-O) [12]. Participants were drawn from a consecutive series of 329 outpatients with epithelial ovarian cancer diagnoses confirmed by a gynecologic oncologist (D.C.B) and who had appointments at the University of Texas M.D. Anderson Gynecologic Oncology Center (Houston, TX) over a 6-month period. The women primarily attended the center for posttreatment surveillance (50%), chemotherapy clearance (26%), or physician consultation about additional treatment or clinical trials (14%). Of these 329 women, 232 (71%) completed the survey; 53 (16%) refused participation; and 44 (13%) were not approached, either because they could not be contacted or the patients' physicians asked that they be excluded.
Procedure
Measures We also administered questionnaires on demographic, medical, and psychosocial factors. Demographic factors included marital status, education, ethnicity, and age.
Two categories of medical factors were assessed: disease-related factors and physical factors. Disease-related factors included disease stage, treatment status, and time since original diagnosis. Physical factors included physical symptoms and performance status. To assess physical symptoms, we used the physical symptom subscales of the Memorial Symptom Assessment Scale [15], which assess cancer patients' high- and low-prevalence physical symptoms. Internal consistency reliability is high for the high-prevalence symptoms subscale (Cronbach's
Psychosocial factors assessed included depression, anxiety, three questions we refer to collectively as body image, and partner issues. Depression was measured with the Center for Epidemiologic Studies Depression Scale [17]. Internal consistency reliability is high in the general population (Cronbach's
Data Analyses We performed an exploratory principal components factor analysis on the SAQ because it had never been administered to ovarian cancer patients and because we had added two items. An oblique rotation was used because we expected the factors to be conceptually related. Items loading heavily on each factor were combined into a scale score, and the internal consistency reliability of each scale was calculated.
The conceptual framework guiding our analyses included variables known to affect sexual functioning in healthy women and women with cancer [2,5,9,21], predicting the outcome of sexual activity. Predictor variables were the demographic, medical, and psychosocial factors described in the Measures section. The significance of univariate relationships between sexual activity and predictor variables was tested using Univariate associations between predictor variables and SAQ scale scores also were conducted.
Descriptive Statistics Demographic and disease status data in Table 1 show that participants were primarily white (85.0%), married (72.1%), and diverse in education and income.
We compared demographic variables, disease status, and treatment status of participants with those of women who refused or were not approached. Among participants, patients receiving active treatment ( 21 = 5.94; P = .02), those with advanced disease ( 21 = 4.36; P = .04), and older women (t137.8 = -2.08; P = .04) were underrepresented. No differences in ethnicity or marital status were observed.
Comparisons to Healthy Women and Breast Cancer Survivors
Prevalence of Sexual Functioning Problems Low desire was frequently reported for women who are married or in an intimate relationship; 47% reported no or little desire to have sex with their partners. Low desire was more frequently reported by women currently receiving treatment (61%) than for women not receiving treatment having no evidence of disease (28%; 26 = 17.3; P = .008). Among women reporting sexual activity in the previous month, almost 80% had problems with vaginal dryness, 40% describing it as "very much." In addition, 62% reported problems with pain or discomfort during penetration, 20% describing it as "very much." Furthermore, 75% reported problems reaching orgasm 50% to more than 90% of the time, and 34% described the problem as occurring "nearly always, more than 90%." There were no significant differences in the prevalence of vaginal dryness, pain during penetration, or ability to reach orgasm among women who were receiving treatment, not receiving treatment but with persistent disease, or not receiving treatment with no evidence of disease.
Factor Analysis of the SAQ
The three factors included sexual functioning or satisfaction, sexual discomfort, and sexual habit or frequency. The functioning or satisfaction factor was different from the original because it included two items assessing arousal and orgasm, and omitted items assessing sexual frequency and satisfaction with frequency. The latter two items loaded most heavily on the habit or frequency factor, which originally included only one item. The discomfort factor, consistent with the original SAQ, included vaginal dryness and pain or discomfort during penetration. Factor loadings were consistent after both oblique and orthogonal rotations. Interfactor correlations after oblique rotation were factor 1 with factor 2 = -0.17, factor 1 with factor 3 = 0.28, and factor 2 with factor 3 = -0.05.
Predictors of Sexual Activity Table 4 compares sexually active and inactive women on demographic, medical, and psychosocial characteristics. In the univariate analyses, women who were married, were younger than 56 years, were not receiving treatment, and liked the appearance of their bodies were more likely to be sexually active. Women with more time since diagnosis were also more likely to be sexually active (P = .059).
To identify predictors of sexual activity, we conducted a backward logistic regression. Sexual activity was dichotomized as 0 indicating no sexual activity in the last month and 1 indicating sexual activity at least once in the last month. Predictor variables included demographics (age, marital status), disease characteristics (time since original diagnosis, treatment status), physical factors (Zubrod score), and psychologic factors (likes appearance of body). Consistent with the univariate analyses, women who were married, were younger than 56 years, were not receiving treatment, and who liked the appearance of their bodies were more likely to be sexually active (Table 5).
Univariate Associations Between Predictor Variables and SAQ Scale Scores Univariate associations between predictor variables and the three SAQ scale scores are listed in Table 6.
Regarding demographic variables, marital status was correlated with functioning or satisfaction and frequency or habit, indicating those who were married had lower functioning or satisfaction and frequency or habit scores. However, these results should be interpreted with caution because there were only six sexually active women who were not married. Education and ethnicity were only correlated with functioning or satisfaction, indicating those with higher education or those who were non-Hispanic white had higher functioning or satisfaction. Regarding medical variables, physical symptoms was the most consistent correlate, with those having more symptoms reporting lower functioning or satisfaction, greater discomfort, and lower sexual frequency. Performance status was significantly correlated with discomfort and frequency or habit, indicting those with poorer performance status had greater discomfort and lower sexual frequency. Treatment status had a positive relationship with discomfort, although the correlation was low. Those in active treatment had greater discomfort. Regarding psychologic variables, depression and "able to feel like a woman" were the most consistent correlates. Higher depression was associated with lower functioning or satisfaction, greater discomfort, and lower sexual frequency. Being able to feel like a woman was associated with higher functioning or satisfaction, lower discomfort, and higher sexual frequency. Consistent with these findings, higher anxiety was associated with greater discomfort and lower sexual frequency, and liking the appearance of one's body was associated with higher functioning or satisfaction and lower discomfort. We considered conducting multivariate models predicting each of the three SAQ scale scores including only sexually active participants. Because this would reduce our sample size to 90 to 100 participants, we did not perform these analyses.
This is the first study to comprehensively examine the sexual functioning of ovarian cancer patients. Our results indicated that 50% had not engaged in sexual activity in the previous month. Reasons for sexual inactivity were quite similar to those provided by breast cancer survivors [22]. Of the ovarian cancer patients who reported being married or in an intimate relationship, almost half reported low desire for sex with their partners, consistent with previous evidence that loss of sexual desire is a problem for gynecologic cancer patients [2,23]. This percentage was even greater for patients in active treatment. For 80% of those sexually active in the previous month, vaginal dryness was a problem. Although problems with lubrication are expected as women age, this percentage is much higher than the 27% of women aged 50 to 59 years reporting this problem in the National Health and Social Life Survey (NHSLS) [21]. Similarly, pain or discomfort during penetration and inability to reach orgasm were more common in our sample than in the NHSLS sample, 8% of whom reported pain during sex and 23% of whom reported inability to reach an orgasm. Interestingly, if we used the measurement methods from the NHSLS, our percentages would have been even larger because the NHSLS study recorded percentages of women having the problems in the past 12 months (much longer than the 1-month period we assessed). Compared with healthy postmenopausal women [13] and breast cancer survivors [14], ovarian cancer patients seem to have greater problems with loss of desire and sexual discomfort, and greater reductions in sexual activity frequency. However, similar factors appear to be related to sexual problems across healthy and cancer survivor populations. Consistent with the conceptual framework proposed by Ganz et al [6] for managing sexual health after breast cancer, our results showed that both medical and psychosocial factors should be considered. Regarding medical factors, results indicated a woman's treatment status affected whether she was sexually active. These results were not surprising because chemotherapy side effects such as nausea and fatigue reduce sexual desire [5]. In our study, the more physical symptoms a woman experienced, the less sexual desire and satisfaction she had. Fatigue and physical problems making sex difficult were frequently cited as reasons for sexual inactivity. Psychosocial factors including body image, mood, and partner issues also play a role in sexual functioning. In terms of body image, liking the appearance of her body was a significant predictor of whether a woman was sexually active. It also was correlated with sexual functioning or satisfaction and discomfort; the more a woman liked the appearance of her body, the higher the satisfaction and the lower the discomfort she reported. Similarly, being able to feel like a woman was positively related to satisfaction and frequency and negatively related to discomfort. Researchers currently note the importance of assessing body image in cancer patients [24]. According to one heuristic model [25], self-schemas (or cognitive views about oneself), along with the degree of emotional investment in the changed body feature, can result in a discrepancy between how one sees oneself and how one thinks one should be. This discrepancy and associated dysfunctional thoughts about one's appearance can have negative emotional and behavioral consequencesin this case, problems with sexual functioning. In a study of posttreatment sexual functioning in gynecologic cancer patients, pretreatment sexual self-schemas predicted postdiagnosis sexual behavior and responsiveness when precancer intercourse frequency, extent of disease and treatment, and menopausal symptoms were controlled for [2]. Depression also was negatively correlated with satisfaction and frequency and positively correlated with discomfort, a finding consistent with research documenting the association between depression and sexual dysfunction. Depression has been associated with decreased sexual frequency, dyspareunia, and all aspects of the sexual response cycle [9], and is common in people seeking treatment for sexual problems [26]. Several partner factors were identified as reasons for sexual inactivity and may be a result of the partner's age and possible medical comorbidities contributing to sexual dysfunction. Unfortunately, our study did not directly assess partner functioning. However, our results underscore the importance of assessing the partner when developing sexual rehabilitative programs for ovarian cancer patients. Although not amenable to change, certain demographic characteristics may alert healthcare workers to those at risk for problems after ovarian cancer. Our results indicate a patient's age and relationship status may be important; being younger and married were significant predictors of sexual activity. Of those sexually active patients, higher education was associated with greater sexual functioning or satisfaction. This is consistent with data from the NHSLS, which indicated that high educational level is negatively associated with low desire and problems achieving orgasm [21], two components of our sexual functioning or satisfaction factor. Several factors we identified may be potential targets for intervention. Sexual rehabilitation, delivered during or after treatment, must consider the patient's individual needs. When intercourse is possible, but physically challenging, medical management may suffice. For instance, estrogen may help eliminate hot flashes and mood swings and increase libido. Antidepressants may be appropriate if estrogen is contraindicated. Vaginal dryness can be treated with lubricants to minimize discomfort associated with intercourse. When women or their partners are physically unable to have intercourse, other dimensions of the spousal relationship, especially intimacy, assume a prominence in maintaining relationship quality. Some couples who decrease or discontinue sexual relations also reduce expressions of nonsexual intimacy [27]. Alternative expressions of intimacy may compensate for decreased or discontinued sexual relations. For these couples, sexual rehabilitation counseling would emphasize developing communication skills and learning alternative ways to express intimacy. When women have negative self-schemas regarding their sexuality or are depressed, sexual rehabilitation may be more challenging. Those with negative self-schemas may resist trying new sexual activities to cope with physical problems or may feel more negatively about body changes [2]. Likewise, depressed women may lack motivation for sexual rehabilitation counseling. In either case, cognitive behavioral therapy targeting these issues may be necessary before beginning a sexual rehabilitation program. Although we identified key factors to consider when assessing and treating sexual problems after ovarian cancer, our assessment could have been more comprehensive in terms of medical and psychosocial factors. The conceptual model developed for breast cancer patients seems applicable for ovarian cancer patients and could assist in dictating a thorough assessment [6]. For example, medical evaluations should include use of estrogen replacement therapy (ERT). At the time our data were collected, ERT was routinely prescribed to women without a history of breast cancer, and vaginal lubricants were recommended for vaginal dryness; no data were collected regarding adherence to these recommendations. Such data collection and assessment may be challenging because although ERT is frequently prescribed, many women are noncompliant [28]. Estrogen use may decline given the recent data regarding risk of breast cancer and potential increase in ovarian cancer [29,30]. In addition, a more thorough psychosocial assessment should be used. For example, our body image assessment was limited; a comprehensive assessment might include the Body Image Scale [24], developed for cancer patients, plus an evaluation of the woman's sexual self-schema [31]. If the woman has a partner, the partner should be assessed directly rather than through patient report. Because of our study's cross-sectional design, and hence correlational results, future longitudinal research is necessary to delineate factors influencing sexual functioning of ovarian cancer patients over time. These factors probably change, depending on where a woman is in the treatment process. Furthermore, given our sample size, we were limited to correlational analyses when examining the relationships between predictor variables and sexual functioning. Results of this study should be considered hypotheses generating for larger studies examining predictors of sexual functioning in ovarian cancer patients and survivors.
The authors indicated no potential conflicts of interest.
We thank Maureen E. Goode, PhD, ELS, from the Department of Scientific Publications at the University of Texas M.D. Anderson Cancer Center.
Supported by the University of Texas M.D. Anderson Physicians Referral Service institutional grant, the Blanton-Davis Ovarian Cancer Research Fund, and a cancer prevention fellowship supported by a National Cancer Institute grant (R25 CA57730, Robert Chamberlain, PhD, principal investigator). Authors' disclosures of potential conflicts of interest are found at the end of this article.
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Copyright © 2004 by the American Society of Clinical Oncology, Online ISSN: 1527-7755. Print ISSN: 0732-183X
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