An Epidemiological Study of Neuropathic Pain Symptoms in Canadian Adults
Table 1
Sociodemographic and comorbidity characteristics of the study sample weighted to total population of Canadian adults (26,423,076) and stratified by likely or possible neuropathic pain status.
Sample ()
Sample weighted
2011 Census
Likely or possible NP (S-LANSS) (population ,030,351)
Likely or possible NP (DN4) (population ,027,521)
Mean age (standard deviation)
57.6 (14.2)
51.6 (14.7)
NA
55.0 (13.1)
51.5 (14.8)
%
%
%
%
Gender
Male
818
48.5
48.7
6.5
13.6
Female
686
51.5
51.3
8.8
9.5
Age groups
18–39 years
162
20.5
36.0
3.5
9.9
40–49 years
220
28.8
18.8
7.5
12.3
50–65 years
660
30.5
26.5
10.8
12.2
66–93 years
462
20.2
18.6
7.6
10.7
Region
British Columbia
173
13.4
14.6
9.5
14.4
Alberta
123
10.7
11.5
2.7
11.9
Saskatchewan, Manitoba
100
6.5
7.0
8.6
11.3
Ontario
647
38.3
41.7
6.6
9.1
Quebec
403
24.0
25.7
8.2
11.7
Eastern provinces
58
7.2
7.6
15.0
17.2
Education
High school or less
364
22.6
45.7
9.6
17.3
CEGEP, trade or professional certificate, or others
406
31.4
29.1
9.2
12.8
Some university, degree, or graduate degree
585
42.0
25.2
5.7
8.2
Own/mortgage home
Yes
1308
86.0
69.4
6.9
9.6
No
196
14.0
30.6
12.3
23.0
Income
<$50,000
567
32.0
40.1
14.1
18.0
$50,000–$99,999
557
36.9
33.2
5.6
11.2
$100,000+
380
31.1
25.9
3.6
5.0
Marital status
Married or living as married
1077
70.3
57.7
7.7
10.6
Single, widowed, separated, or divorced
427
29.7
42.3
7.6
13.5
Employment status
Working full- or part-time
774
63.0
60.9
5.6
8.4
Retired
522
22.7
NA
8.6
11.6
Looking for, incapable of, or not looking for work
208
14.3
NA
15.6
24.9
Smoking status
Never smoked
710
52.7
NA
5.4
7.6
Previously smoked
577
31.7
NA
11.4
14.6
Current/occasional smoker
188
14.2
NA
8.3
19.6
Comorbid conditions
Stroke
12
0.6
NA
13.5
30.3
Gastrointestinal condition
32
2.2
NA
22.4
22.4
Respiratory (not asthma)
48
2.5
NA
13.3
19.7
Anxiety
56
4.7
NA
16.0
36.1
Heart disease
68
3.1
NA
21.6
24.2
Mood disorder
82
5.7
NA
16.8
28.9
Bowel disorder
85
5.6
NA
26.5
22.2
Asthma
99
7.9
NA
10.0
12.4
Diabetes
130
6.1
NA
28.8
33.4
Hypertension
307
16.0
NA
17.2
24.7
Language of questionnaire
English
1091
74.7
56.9/85.0
7.6
11.5
French
411
25.3
21.3/30.1
7.9
11.1
Survey mode
Paper
1395
91.5
NA
6.5
11.4
Online
109
8.5
NA
8.8
11.8
Statistics Canada. 2011 National Household Survey. Based on Canadian population aged 15 and older (except age and sex which are based on age 18 and over). Likely or possible neuropathic pain diagnosis and ≥12 on the Self-Report Leeds Assessment of Neuropathic Symptoms and Signs. Likely or possible neuropathic pain diagnosis and ≥3 on the Douleur Neuropathique 4. Eastern provinces include New Brunswick, Nova Scotia, Prince Edward Island, and Newfoundland and Labrador. Collège d’Enseignement Général et Professionnel (General and Vocational College). Employment rate in 2011. Data not available. Mother tongue/working knowledge. Includes 2 questionnaires completed via telephone.