Transcript DURATION Time Since First Occurrence of Pain

This Session
PAIN
EPIDEMIOLOGY
By Simon Strauss
PAIN PREVALENCE
Overseas Studies
• Canadian telephone survey of 500 Households: Are you or
any member of your family over 18 frequently troubled
with pain? Yes 11%
•
(Crook et al. Pain 1984)
Swedish postal survey of 980 individuals: Age range 18-84.
33% No pain problem. 22% continuous obvious pain
the majority with > 6months duration... (Brattberg et al. Pain 1989)
• Denmark postal survey, 4000 individuals: 30% persistent
pain (Anderson et al. Pain 1987)
The Prevalence of Pain Complaints
in a General Population:
An Australian Study
The results of a random telephone survey
Brisbane, Australia. 1986.
Simon Strauss, Fiona Guthrie and Fred Nicolosi
Numbers of Individuals and
Households Surveyed
268 Co-operative
500
Number of Households
Contact Attempted
82 Refusals
112 No Answer
38 Other
265
614
Co-operative Households
Total Number of
Individuals over 15
years old
Households plus Pain Responses
265
Co-operative Households
94
35% of Households with a least
one member with a pain condition
84
31.7% of Households with at least
one person with a pain condition
in the last two weeks
Individuals Plus Pain Responses
614
Total number of Individuals
117
19.1% of Individuals
with a pain condition
101
16.4% of Individuals
with a pain condition in
the last two weeks
Pain Prevalence by Age
45
40
35
%
30
25
Pain
20
15
10
5
0
15 - 30
31 - 40
41 - 50
Age
51 - 60
>60
PAIN PREVALENCE RATE
by Age and Sex
50
45
40
% in 35
Pain 30
25
20
15
10
5
0
Males
Females
15 - 30
31 - 40
41 - 50
Age
51 - 60
>60
PAIN PREVALENCE
by Household Size
70
60
50
40
%
30
20
10
0
One
Two
Three
Four
Household Size
Five
Seven
CAUSE of Pain
34
35
30
25
%
21.4
19.7
18.8
20
15
10
5
3.4
2.6
0
Pos
t
gica
r
u
S
l
rts
o
p
S
nt
i de
c
c
A
er
Oth
Wo
rk
Spo
n
eo
tan
us
LOCATION of Most Severe Pain
35
33
30
25
%
24.2
22.3
20
15
10
7.6
4.6
5
4.2
3.5
Hip
Arm
0
Back Head
Leg
Chest Other
PAIN INTENSITY
39
40
35
%
30
25
23
20
15
15.4
13
9.4
10
5
0
d
ing
i ng
t
s
Mil
r
s
e
o
mf
istr
o
c
D
s
Di
le
rib
r
o
H
r
Exc
ti
a
i
c
u
ng
DURATION
Time Since First Occurrence of Pain
70
67
60
50
%
40
30
20
17.1
10
2.6
3.3
2.6
1m
1 - 3m
3 - 6m
6.8
0
6 - 12m
1 - 3y >3 years
FREQUENCY of Pain Occurrence
30
30
25
%
23
20
19
14.5
15
13
10
5
1
0
Cont.
Daily
Weekly
Monthly
Yearly
Other
TYPE of Health Professional Consulted
80
70
60
50
%
40
30
20
10
0
80
2.5
5.5
7.5
t
t
r
s
s
e
i
i
t
r
p
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a
t
r
r
c
p
n
he
o
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u
ir
p
io
h
u
s
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C
h
Ac
P
4.5
er
h
t
O
r
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to
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o
Summary/Key Findings
•
•
•
•
•
•
•
•
Pain prevalence for households was one in three
Pain prevalence for individuals was one in five
As age increases pain prevalence increases
Females more than 30 years old have more pain than males
Back pain most common problem
Cause of pain usually spontaneous or unknown
45% severe pain, 55% mild - discomforting pain
The majority experienced pain, daily or continuously, for three
or more years.
• The majority received care from a medical practitioner
• The results of this survey are consistent with overseas studies.