Ebsco Farezadi Chronic pain and psychological well being

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Simposium Sains Kesihatan Kebangsaan ke 7
Hotel Legend, Kuala Lumpur, 18 – 19 Jun 2008 : 202 – 204

Chronic pain and psychological well-being

Farezadi, Z.

1

, *Normah, C. D.

1

, Zubaidah, J.

2

& Maria, C.

3

1

Health Psychology Unit, Faculty of Allied Health Sciences, Universiti Kebangsaan Malaysia,

Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Malaysia

2

Department of Psychiatry, Faculty of Medicine, Universiti Putra Malaysia,

Serdang, Selangor Darul Ehsan

3

Department of Anaesthesiology, Hospital Selayang, Selangor Darul Ehsan

*Corresponding author: Tel: +603-92897048; Fax: +603-26911052; Email address: normah@medic.ukm.my

Chronic pain and psychological distress have been found to
frequently co-occur. The aim of this study is to evaluate the
relationship between pain intensity, physical disability, self-
efficacy, active coping, catastrophizing and psychological
distress (stress/tension, anxiety, and depressive symptoms.
Data were collected from 88 chronic pain patients who were
referred to the pain clinic in Selayang Hospital. The data
collected include sociodemographic data, pain intensity using
the Numeric Rating Scale (NRS), physical disability by using
the Physical Disability Questionnaire (PDQ), psychological
distress assessed by the Depression Anxiety Stress Scale
(DASS-42), pain self-efficacy assessed by the Pain Self-
Efficacy Questionnaire (PSEQ) and catastrophizing thoughts
by using the Pain Responses Self-Statement (PRSS).Self-
efficacy showed negative correlation with both physical and
psychological variables while catastrophizing have positive
correlation with physical and psychological aspect of pain.
Active coping have negative correlation with physical profiles
but showed positive association with psychological aspects of
pain. This study provides information about variables and
factors associated with psychological well-being of chronic
pain sufferers and provide implications on the aspects of
treatment modalities in managing chronic pain patients.

Introduction

Pain, particularly chronic pain, is one of the most common threat
to the quality of life (QOL) worldwide and will become more so
as the age increases. The burden of unrelieved pain is also a major
problem for health services throughout the world.

Pain is a widespread human experience. The International

Association for the Study of Pain defined pain as “an unpleasant
sensory and emotional experience associated with actual or
potential tissue damage, or described in terms of such
damage“(Merskey, 1986). Current understanding and concepts of
pain are based on the developments from the Gate Control Theory
of Pain suggested by Melzack and Wall (1965). The internal
biopsychosocial variables that may influence the pain responses
include the autonomic, immune, stress regulation, and
endogenous opioid system. The psychological variables that may
influence the pain responses include cultural factors, past
experiences, personality, attention, motivational and cognitive
factors (Melzack, 1999a).

Chronic pain does not have any clear biological function and

is usually associated with negative impact on the physical,
psychological and social well-being of the individual (Stembach,
1989). Bonica (1990) defined chronic pain as “pain that persists
beyond the usual course of an acute disease; or persists more than
a reasonable time for an injury to heal or is associated with a
chronic pathological process that causes continuous pain; and
recurs at intervals for months or years”. Its origin, duration,

intensity, and specific symptoms vary. In terms of duration,
chronic pain has been defined as pain lasting longer that three or
six months (Merskey & Bogduk, 1994).

Pain that is not controlled can generate serious physical,

psychological and social effects and can have a disruptive impact
on a person’s daily life. The physical effects may include
progressive physical deterioration such as general fatigue and
debility caused by disturbance of sleep, appetite, decreased
physical activity, side effects from excessive medication (Von
Korff & Simon, 1996).

Most patients with chronic pain experience emotional

distress to a varying degree. The emotional impacts of chronic
pain include reactive depression, hopelessness, despair and
dependency, loss of sleep, loss of self-worth, loss of mobility,
anxiety over the pain itself and also how the patient is perceived
by their family and peers, loss of employment, anger directed
outward in generalized manner, and in some cases, suicide. A
variety of factors such as the nature and prognosis of the
condition, coping abilities, social support, attitudes and behaviors
of health professionals and patient’s beliefs can contribute to the
extent of emotional distress (Skevington, 1995). Other factors
include locus of control, stress level, self-efficacy and negative
thoughts. Active coping strategies were related to reduce pain
severity, lower levels of depression and less functional
impairment while the reverse applied to passive coping strategies
(Nicholas, 1987). Negative thinking such as catastrophizing has
always been found to be significantly related to heightened pain
severity in a variety of chronic pain conditions and related to
lower pain thresholds and pain tolerance levels in normals
(Sullivan et al, 2001). Self-efficacy refers to the ability to cope
effectively or exert control over pain. Self-efficacy was found to
have significant inverse correlation with pain intensity and
interference with life (Lin, 1998).

The aim of this study is to evaluate the relationships between

pain intensity, physical disability, self-efficacy, active coping,
catastrophizing and psychological distress (stress/tension, anxiety,
and depressive symptoms.

Methods

Participants

Participants were 88 chronic pain patients recruited from
Selayang Hospital, Selangor. of the 88 patients, 54.5% were
females and 45.5% were males, The average age was 48 ± 12
years old. The majority of patients were married (64.8%),
working (67%) and aged above 41 years old (77.3%). In terms of
ethnicity, 39.8% were Malay, 18.2% Chinese, and 6.8% were
other races (Table 1).

Research Design

Sihat2008

ISBN 978-983-43150-9-2

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Farezadi, Z. et al./Sihat2008 : 202 – 204

203

This is a retrospective study. Pain profiles were gathered from the
Pain Management Clinic, Selayang Hospital, Selangor from 2004
to 2007.

Measures

The data collected include the sociodemographic data, pain
intensity using the Numeric Rating Scale (NRS), physical
disability by using the Physical Disability Questionnaire
(PDQ)(Roland & Morris, 1983), psychological distress assessed
by the Depression Anxiety Stress Scale (DASS-42)(Lovibond &
Lovibond, 1995), pain self-efficacy assessed by the Pain Self-
Efficacy

Questionnaire

(PSEQ)(Nicholas,

1989)

and

catastrophizing thoughts by using the Pain Responses Self-
Statement (PRSS).

Result

Self-efficacy in general has significant negative correlation with
pain intensity (r = -.219, p < .05), physical disability (r = -.366, p
< .01), stress (r = -.279, p < .01), anxiety (r = -.251, p < .05), and
depression (r = -.380, p < .01)(Table 2). Catastrophizing in
general has significant positive correlation with pain intensity (r =
.416, p < .01), stress (r = .564, p < .01), anxiety (r = .485, p < .01),
and depression (r = .633, p < .01). Active coping in general has no
significant correlation with pain intensity, physical disability,
stress, anxiety and depression.

Discussion

Self-efficacy in general has significant negative correlation with
pain intensity, physical disability, stress, anxiety and depression.
This means that high self-efficacy reduced the pain instensity,
physical disability, stress, anxiety and depression. This result is
consistent with previous findings by other researchers (Arnstein et
al., 1999; Lynch et al., 1996; Sharloo & Kaptein, 1997).
Catastrophizing in general was found to have positive correlation
with pain intensity, stress, anxiety and depression but not with
physical disability. This means that high catastrophizing will
make the pain intensity and physical disability worse and increase
the level of stress, anxiety and depression. The result is supported
by previous research (Severeijns et al., 2001; Sullivan et al., 2001;
Turner et al., 2001).
Active coping in general has no significant correlation with pain
intensity, physical disability, stress, anxiety and depression. This
result was not supported by other research (Gatchel & Turk,
1999). The nonsignificant relationships can be related to the
coping strategies used which in any given situation are dependent
upon contextual factors and the individual’s appraisal of these. A
passive strategy in one instance may be in fact be adaptive in
another. Second, those with chronic conditions were more likely
to use a combination of various and varied coping responses to
manage their condition and adjust their life accordingly.

TABLE 1 Sociodemographic Data of Chronic Pain Patients

Variables

Frequency

Percent

Age

< 40 years old

20

22.7

> 41 years old

68

77.3

Gender

Male

40

45.5

Female

48

54.5

Ethnicity

Malay

35

39.8

Chinese

16

18.2

Others

6

6.8

Marital Status

Single

20

22.7

Married

57

64.8

Divorced/Widowed

11

12.5

Job Status

Working

59

67

Not Working

29

33

TABLE 2 Pearson Correlation between Self-Efficacy, Catastrophizing, and Active Coping with

Pain Intensity, Physical Disability, Stress, Anxiety and Depression

Pain Intensity

Physical Disability

Stress

Anxiety

Depression

Self-Efficacy

-.219*

-.366**

-.279**

-.251*

-.380**

Catastrophizing

.416**

.185

.564**

.485**

.633**

Active Coping

-.016

-.081

.034

.047

-.011

* p < .05, ** p < .01

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Farezadi, Z. et al./Sihat2008 : 202 – 204

204

Conclusion

Chronic pain was found to be associated with psychological well-
being and psychological distress chronic patients. However, this
association was explained by other features, which are known to
be associated with such pain. Chronic pain itself does not
necessarily predict psychological distress, rather, other mediating
factors such as self-efficacy, catastrophizing and coping strategies
might play important role in affecting psychological well-being of
chronic pain patients. The findings support the argument that it is
the interaction between chronic pain, physical, and psychological
factors that influence patients’ psychological well-being.
Therefore, factors such as self-efficacy and catastrophizing should
not be overlooked in the treatment of patients with chronic pain.
Any treatment modalities utilized in treating chronic pain patients
should not only focus on the physical aspects of the patients, but
social and psychological aspects as well. Health practitioners
handling chronic pain patients need to evaluate patients’
psychological aspects so that treatment can be provided
effectively, for example, conducting treatments with the aims of
maximizing self-efficacy and minimizing catastrophizing.
Consequently, this may help chronic patients to improve their
psychological well-being.

References

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Self-efficacy as a mediator of the relationship between pain
intensity, disability and depression in chronic pain patients.
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Bonica, J.J. 1990. Definition and taxonomy of pain. In: Bonica,

J.J. Ed. The Management of Pain, pp. 18-27. Pennsylvania:
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Gatchek, R.J., & Turk, D.C. 1999. Psychosocial Factors in Pain:

Critical Perspectives. New York: The Guilford Press.

Lovibond, S.H., & Lovibond, P.F. 1995. Manual for the

Depression Anxiety Stress Scales. Australia: The
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Lynch, R.T., Agre, J., Powers, J.M., & Sherman, J. 1996. Long-

term follow up of outpatient interdisciplinary pain
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Melzack, R., & Wall, P.D. 1965. Pain mechanisms: A new theory.

Science 150: 971-979.

Merskey, H., & Bogduk, N. 1994. Classification of Pain,

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Roland, M., & Morris, R. 1983. A study of natural history of back

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Martin, M., Bradley, L.A., & Lefebvre, J.C. 2001. Clinical
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