INTRODUCTION
Urinary incontinence (UI) is defined by the International Continence Society as “the complaint of any involuntary leakage of urine” [
1]. A recent review reported that 25% to 45% of women have UI worldwide [
2,
3]. Although UI is not a life-threatening condition, it does have a physical and psychological effect on women’s daily lives. Many women believe that UI is a normal consequence of childbirth and aging, and therefore deny treatment. Today, there are various effective treatments for UI; however, many women tend to manage their UI silently rather than by asking for professional help. Embarrassment and shamefulness are the primary reasons for concealing this problem [
4].
Increased knowledge of the comorbidities and personal burden specifically associated with UI may improve the management of this condition. However, there has been little effort to create public awareness of this problem, despite recent commercial advertising on the internet and other media for the many types of products currently available.
The prevalence of UI increases with advancing age. Additionally, a rapidly growing aged population is also associated with a concomitant social burden [
5]. In order to promote women’s public health and to organize healthcare services related to UI, the issues on disease insight and health-seeking behavior of UI patients need to be addressed.
Therefore, using data from the Korean Continence Society campaign program, we conducted the present study in order to investigate disease insight, personal distress, and healthcareseeking behavior associated with UI in adult women to promote women’s well-being in Korea.
MATERIALS AND METHODS
In October 2012, 500 Korean women were selected by random sampling for a population-based cross-sectional survey. Data were collected from the capital area of Korea (Seoul, Incheon, and Gyeonggi-do) by computer-aided telephone interview for 20 days. The interviewer asked each respondent to participate in a survey and dropped when responders refuse to answer.
The questionnaires used data collection from Korean Continence Society Committee. Questionnaires were divided into sections on demographic characteristics, information sources, disease insights, and health-seeking behaviors. The length of time necessary to answer the questions varied; however, 30 minutes was generally sufficient. Selected participants’ questionnaires were as follows:
Have you ever heard of UI?
Have you received any kind of information about UI within the past 3 months?
From whom the information of UI was received within past 3 months?
Have you experienced UI in the past 6 months?
Have you ever discussed or been willing to discuss UI with others?
Have you ever discussed or are you willing to discuss UI with friends, family, doctors, or etc.?
Why did you not discuss your UI problem?
Do you agree that UI is a natural outcome of aging or childbirth?
Do you agree that normal activities, including mild exercise, are restricted by UI?
Do you agree that social activities are restricted by UI?
Do you agree that UI can be handled by the use of protective products?
Do you agree that UI can be overcome by exercise or diet control?
Do you feel discomfort by UI?
Has your participation in activities decreased?
Have you every neglected to treat your UI because of shame?
Have you ever hesitated to buy protective products for UI?
Statistical analyses and results of the socio-demographic and clinical characteristics of the variables were performed using SPSS ver. 16 (SPSS Inc., Chicago, IL, USA). Analysis of variance was used to assess differences between groups, and correlation analysis was performed using the chi-square and Pearson tests.
RESULTS
Among the 500 subjects, 140 (28.0%) were aged 30 to 39 years, 140 (28.0%) were aged 40 to 49 years, 140 (28.0%) were aged 50–59 years, and 80 (16.0%) were aged more than 60 years. The area distribution of the subjects was as follows: 181 (36.2%) from Seoul, 172 (34.4%) from Gyeonggi-do, and 147 (29.4%) from Incheon.
With respect to childbirth, 343 subjects (68.6%) reported having a normal delivery history, while 157 subjects (31.4%) did not. Regarding employment, 295 subjects (59.0%) were fulltime homemakers, and 205 subjects (41.0%) reported having a full-time or part-time job. Regarding education level, 256 subjects (51.2%) reported a below high school level education, 236 subjects (47.2%) reported receiving education above the high school level, and 8 subjects (1.6%) did not provide a response to this question.
As a response to question 1 (Have you ever heard of UI?), 491 subjects (98.2%) among the 500 had heard of UI. Respondents aged more than 60 years and those with higher educational levels showed greater awareness of UI (
Table 1).
The 491 subjects who had heard of UI were asked question 2 (Have you received any kind of information about UI within the past 3 months?), the number of people who received information about UI within the past 3 months increased with age. In addition, subjects aged more than 60 years were more aware of UI than those aged less than 60 years. The 117 subjects who experienced UI were more aware of UI than the 374 UI-naive subjects, and normal delivery history did influence the differences in this information (
Table 2).
For question 3 (From whom the information of UI was received within past 3 months?), 162 subjects (33% of the 491 subjects who had heard of UI) received most of their information from the television/radio (83.3%). Subjects older than 50 years received more information from friends (50–59 years, 51.1%; 60–64 years, 42.2%), and subjects in their 30s received more information from the Internet (25.6%).
Additionally, subjects who experienced UI received more information from friends (51.1%) than UI-naive subjects (27.0%) (
Table 3)
For question 4 (Have you experienced UI in the past 6 months?), the overall incidence of UI was 23.8%. The prevalence rates increased from 13.0% in the 30- to 39-year age group to 28.9% in over 60-year age group. Subjects with a normal delivery history were more affected by UI (29.8%) than those without a normal delivery history or who had not ever delivered a child (11.0%) (
Table 4).
In response to questions 5 (Have you ever discussed or been willing to discuss UI with others?), among 117 subjects who had experienced UI, 69 subjects (59.0%) had consulted with others about their UI. Meanwhile, 334 of the 374 UI-naive subjects (89.3%) were willing to discuss UI with others.
For questions 6 (Have you ever discussed or been willing to discuss UI with others?), 55 subjects (79.7%) who experienced UI had discussed their UI problem with friends. In addition, 25 subjects (36.2%) had discussed the issue with family, and only 16 subjects (23.2%) had discussed the issue with their doctors.
Conversely, 279 UI-naive subjects (83.2%) were willing to discuss the issue with doctors, 126 subjects (37.7%) were willing to discuss with friends, and 113 subjects (30.2%) were willing to discuss with family.
For question 7 (Why did you not discuss your UI problem?), 48 of the 117 subjects (41%) who experienced UI had never discussed their UI problem because they regarded UI as a minor problem. Furthermore, 64.6% were ashamed of their UI, and 33.3% worried about the negative image associated with UI.
Meanwhile, 10.7% of the 374 UI-naive subjects were not willing to discuss UI. Moreover, 62.5% felt ashamed of their UI, 22.5% regarded it as a minor problem, and 7.5% worried about the negative image.
For questions 8–12, responses were expressed as a agree or disagree (
Table 5). More than 70% of subjects agreed that UI is a natural outcome of aging or childbirth (question 8) and that UI restricted participating in normal activities (question 9). Women who experienced UI showed a greater tendency to regard UI as a natural outcome of aging or childbirth and were less restricted by UI (experience people, 40.2%; UI-naive subjects, 30.7%). However, social activity was less restricted by UI problems (question 10). Social activity restriction increased along with increasing age. Additionally, more than 50% of women thought that UI could be handled with protective products and could also be overcome by exercise or diet control (questions 11 and 12).
The expectation of handling UI with the use of protective products or exercise/diet control diminished with increasing age. Answers to questions 13–16 were expressed as a yes or no response (
Table 6). More than 50% of women aged 30 to 64 years felt discomfort because of UI (question 13), though actual activity levels were relatively less decreased (range from 21.1% to 31.8% by aging) (question 14).
The percentages reflecting neglect of UI and hesitation to buy protective products for UI were not high (25.6% and 12.0%). The number of respondents who answered “yes” to neglecting UI and hesitating to buy protective products increased along with increasing age (questions 15 and 16).
DISCUSSION
UI is a health problem that causes psychological, social, and hygienic impairment, and affects the lives of patients and their families [
6].
Data from Western countries provide the most recent information on UI, with estimates of prevalence ranging from 3.9% to 24.4% among women [
7]. Reports on Japanese women over the age of 40 years (53.7% UI prevalence) and Taiwanese women aged 65 years or older (27.7% UI prevalence) have shown varying results [
8,
9]. Meanwhile, the prevalence of UI among Korean women has been reported to be 24.3%, and it is one of the most common disabling conditions in Korea [
10]. Although there are differences in UI definition, survey methods, questionnaire structures, and study populations, our data showed a comparable incidence of 23.8% among subjects aged 30 to 64 years. Most data indicate that the prevalence of UI rises with increasing age [
11,
12], similar to the increase in incidence from 13.0% in women aged 30 to 39 years to 28.9% in women aged 60 to 69 years observed in our study.
As the population of older individuals increases both in number and proportion, the estimated number of adults affected by UI has increased from 49 million in 2008 to 55 million in 2013 (11.1% increase); this number is expected to reach 60 million in 2018 (22.5% increase worldwide) [
13].
Because UI is associated with numerous comorbidities [
14,
15] and imparts a substantial burden on affected individuals, it is important to focus on coping strategies to preserve the daily activities and emotional well-being of women affected by UI [
16]. In other words, more data are needed about information sources and the effect of this information as they directly relate to people’s responses and communication behaviors associated with UI.
Obviously, UI information from the mass media is common; however, in our study, subjects older than 50 years (50–59 years, 51.1%; 60–64 years, 42.2%) and subjects who experienced UI (51.1%) received more information from friends (question 2).
A recent review article reported that only 1 in 4 women with UI in the United States and 1 in 3 women in Europe had sought medical care for UI [
17]. Altaweel and Alharbi [
18] reported that less than 50% women who had incontinence discussed their symptoms with healthcare professionals. A survey conducted in 4 European countries demonstrated that only 31% of incontinent women sought professional consultation [
19]. A study of UI in Japanese women showed that only 3% had ever consulted doctors or other healthcare professionals, and Chinese data show that the consultation rate was 25% [
8,
20]. This low consultation rate may be explained by the common misconception that UI is not a disease, but a natural consequence of aging, and that UI is not curable, as evidenced by question 8 in this study. Meanwhile, among subjects with UI, 23.2% had discussed the issue with doctors (questions 5 and 6), but a significantly higher portion of subjects (83.2%) who had not experienced UI were willing to discuss UI with doctors. This discrepancy was derived from a greater tendency to regard UI as a natural outcome of aging or childbirth among those who had experienced UI and a inadequate expectation for UI treatment in UI-naive subjects. Additional reasons for avoiding discussion about UI were as follows (question 7): people regarded it as a minor problem (64.6% in UI-experienced, 22.5% in UI-naive), felt ashamed (33.3% in UI-experienced, 62.5% in UI-naive), and worried about the negative image (2.1% in UI-experienced, 7.5% in UI-naive). Thus, we should focus on education to improve expectations about medical treatment, especially among those who have experienced UI, and provide psychological support for women to speak freely about UI as a proper coping mechanism.
UI is associated with impaired mobility, impairment of daily activity, pain/discomfort, and anxiety/depression. A cross-sectional study conducted in Turkey reported that 87.2% of women indicated that UI had a negative impact on their quality of life [
2].
Although there are a variety of individual responses or attitudes to symptoms of UI, individuals perceive social pressure from others to exhibit specific behaviors. For example, incontinent women may react to social pressure by isolating themselves or having low self-esteem [
18,
21]. These negative aspects of the psychosocial effect of UI lead to reduced help-seeking intentions, neglect to treat UI, and hesitation to buy protective products for UI. Women may also feel social incompetence and psychosocial distress which may lead to depression, and UI has been shown to have a significant negative impact on all aspects of quality of life [
22].
In our study result from questions 9 and 10, more than 50% of subjects reported a restriction of social activity because of UI. Social activity was much more restricted as the expectations of protective products or lifestyle modification diminished with age. Fortunately, actual external activity was relatively less decreased (21.1%–31.8%).
Korean women received most of their information on UI from the mass media, such as television or radio, but actual consultation rates were low even when UI-naive subjects were willing to discuss the issue doctors. This suggests that we should use the mass media more effectively to educate women and encourage positive healthcare-seeking behavior in Korea. Moreover, medical providers and governments should evaluate women’s emotions about being incontinent and should encourage women to learn more about UI practically. Currently, most incontinent women relied on self-coping strategies, as evidenced by answers to questions 11 and 12, but using absorbent pads and adult diapers does not practically improve UI [
23].
Through community services, women can learn more about the causes and treatments of UI. When misperceptions of UI are correct, more people may recognize that UI is not a natural result of aging or childbirth, and restriction of social activity may be prevented [
24]. Additionally, healthcare providers should encourage people with UI not to be ashamed or embarrassed. Acquiring more information, using pelvic muscle floor exercise protocols with lifestyle interventions (such as prompt voiding when the sensation of the need to void occurs, decreasing caffeine intake, stopping smoking, reducing body weight, and exercising), and gaining more knowledge about how they can take action to treat UI [
25].
In brief, most respondents tended to obtain information about UI through the mass media. UI-naive subjects expressed the intention to consult professionals if they developed UI, while the percentage of UI-experienced subjects who consulted professionals was very low. Thus, we should focus on education to increase medical consultations for UI.
This study has limitations because the methodological qualification using a questionnaire could be insufficient to represent UI-related issues. Data collection methods and reporting of the study materials may be inadequate. Providing the definition of UI by phone survey was demanding, as subtypes, such as urge and stress incontinence, could not defined specifically. Furthermore, we did not have subgroup analysis of UI based on the types of incontinence such as stress or urge UI.
Nevertheless, this results of this study are useful because women tend to be ashamed of UI in Korea, and this may be changed by providing efficient advertising with the right information and establishing a new perception of UI. And increasing women’s understanding of UI could help people to copy with UI. In addition, patients who discuss UI with their clinicians might help the clinicians better understanding of life and social management of UI patients.
ACKNOWLEDGEMENTS
This study was supported by a National Research Foundation of Korea (NRF) grant funded by the Korea Government (MSIP) (No. 2011-0020128). This study was based on a survey of the Korean Continence Society campaign supported by Yuhan-Kimberly (Seoul, Korea).
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Table 1.
Question 1 |
Age (yr)
|
Education level
|
Normal delivery
|
Total (n=500) |
30–39 (n=140) |
40–49 (n=140) |
50–59 (n=140) |
60–64 (n=80) |
Under high school (n=256) |
Over high school (n=244) |
Experienced (n=343) |
Naive (n=157) |
Have you ever heard of urinary incontinence? |
Yes |
98.2 |
98.6 |
100 |
97.9 |
95 |
96.9 |
99.6 |
98.0 |
98.7 |
No |
1.8 |
1.4 |
0 |
2.1 |
5 |
3.1 |
0.4 |
2.0 |
1.3 |
Table 2.
Question 2 |
Age (yr)
|
Urinary incontinence
|
Normal delivery
|
Total (n = 491) |
30–39 (n = 138) |
40–49 (n = 140) |
50–59 (n = 137) |
60–64 (n = 76) |
Experienced (n=117) |
Naive (n=374) |
Experienced (n = 336) |
Naive (n = 155) |
Have you received any kind of information about urinary incontinence within the past 3 months? |
Yes |
33.0 |
28.3 |
30.7 |
34.3 |
43.4 |
40.2 |
30.7 |
33.6 |
31.6 |
No |
67.0 |
71.7 |
69.3 |
65.7 |
56.6 |
59.8 |
69.3 |
66.4 |
68.4 |
Table 3.
Source |
Age (yr)
|
Urinary incontinence
|
Normal delivery
|
Total (n = 162) |
30–39 (n = 39) |
40–49 (n = 43) |
50–59 (n = 47) |
60–64 (n = 33) |
Experienced (n=47) |
Naive (n=115) |
Experienced (n = 113) |
Naive (n = 49) |
TV/radio |
83.3 |
84.6 |
93.0 |
83.0 |
69.7 |
78.7 |
85.2 |
80.5 |
89.8 |
Friends |
34.0 |
17.9 |
23.3 |
51.1 |
42.4 |
51.1 |
27.0 |
38.1 |
24.5 |
Magazine |
16.0 |
20.5 |
16.3 |
12.8 |
15.2 |
10.6 |
18.3 |
17.7 |
12.2 |
Internet |
14.8 |
25.6 |
14.0 |
17.0 |
- |
17.0 |
13.9 |
11.5 |
22.4 |
Family |
11.7 |
10.3 |
9.3 |
10.6 |
18.2 |
10.6 |
12.2 |
12.4 |
10.2 |
Hospital |
6.2 |
5.1 |
4.7 |
12.8 |
- |
6.4 |
6.1 |
5.3 |
8.2 |
E tc. |
2.5 |
2.6 |
- |
2.1 |
6.1 |
- |
3.5 |
2.7 |
2.0 |
Table 4.
Question 4 |
Age (yr)
|
Normal delivery
|
Total (n = 491) |
30–39 (n = 138) |
40–49 (n = 140) |
50–59 (n = 137) |
60–64 (n = 76) |
Experienced (n = 336) |
Naive (n = 155) |
Have you experienced urinary incontinence in the past 6 months? |
Yes |
23.8 |
13.0 |
23.6 |
32.1 |
28.9 |
29.8 |
11.0 |
No |
76.2 |
87.0 |
76.4 |
67.9 |
71.1 |
70.2 |
89.0 |
Table 5.
Data on questions 8 to 12
Questions 8 to 12 |
Age (yr)
|
Urinary incontinence
|
Normal delivery
|
Total (n=491) |
30–39 (n=138) |
40–49 (n=140) |
50–59 (n=137) |
60–64 (n=76) |
Experienced (n=117) |
Naive (n=374) |
Experienced (n=336) |
Naive (n=155) |
8. UI is a natural outcome of aging or childbirth |
Agree |
77.2 |
79.7 |
81.4 |
73.0 |
72.4 |
88.9 |
73.5 |
78.0 |
75.5 |
Disagree |
13.4 |
12.3 |
13.6 |
12.4 |
17.1 |
8.5 |
15.0 |
11.6 |
17.4 |
9. Normal activity including mild exercise is restricted by UI |
Agree |
77.0 |
77.5 |
77.9 |
74.5 |
78.9 |
70.9 |
78.9 |
75.6 |
80.0 |
Disagree |
16.7 |
18.1 |
20.0 |
13.9 |
13.2 |
23.1 |
14.7 |
17.9 |
14.2 |
10. Social activity is restricted by UI |
Agree |
48.7 |
35.5 |
42.9 |
57.7 |
67.1 |
50.4 |
48.1 |
48.8 |
48.4 |
Disagree |
42.8 |
58.7 |
50.0 |
29.9 |
23.7 |
41.9 |
43.0 |
42.6 |
43.2 |
11. UI could be handled by the use of protective products |
Agree |
60.3 |
74.6 |
67.1 |
48.9 |
42.1 |
62.4 |
59.6 |
58.0 |
65.2 |
Disagree |
24.2 |
18.1 |
20.7 |
33.6 |
25.0 |
28.2 |
23.0 |
24.1 |
24.5 |
12. UI could be overcome by the use of exercise or diet control |
Agree |
58.9 |
68.8 |
59.3 |
54.7 |
47.4 |
59.0 |
58.8 |
59.8 |
56.8 |
Disagree |
16.1 |
14.5 |
16.4 |
16.8 |
17.1 |
19.7 |
15.0 |
15.2 |
18.1 |
Table 6.
Data on questions 13 to 16
Questions 13 to 16 |
Age (yr)
|
Normal delivery
|
Total (n = 117) |
30–39 (n = 18) |
40–49 (n = 33) |
50–59 (n = 44) |
60–64 (n = 22) |
Experienced (n = 100) |
Naive (n = 17) |
13. Do you feel discomfort because of UI? |
Yes |
50.4 |
50.0 |
42.4 |
52.3 |
59.1 |
47.0 |
70.6 |
No |
47.0 |
50.0 |
57.6 |
43.2 |
36.4 |
50.0 |
29.4 |
14. Has your participation in activities decreased? |
Yes |
20.5 |
21.1 |
12.1 |
25.0 |
31.8 |
18.0 |
35.3 |
No |
76.9 |
88.9 |
84.8 |
72.7 |
63.6 |
80.0 |
58.8 |
15. Have you ever neglected your UI because of shame? |
Yes |
25.6 |
22.2 |
18.2 |
29.5 |
31.8 |
26.0 |
23.5 |
No |
72.6 |
77.8 |
78.8 |
70.5 |
63.6 |
72.0 |
76.5 |
16. Have you ever hesitated to buy protective products for UI? |
Yes |
12.0 |
21.1 |
- |
11.4 |
31.8 |
12.0 |
11.8 |
No |
54.7 |
72.2 |
75.8 |
36.4 |
45.5 |
54.0 |
58.8 |