Research Article

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 CensusLikely 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)NA55.0 (13.1)51.5 (14.8)

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Gender
 Male81848.548.76.513.6
 Female68651.551.38.89.5
Age groups
 18–39 years16220.536.03.59.9
 40–49 years22028.818.87.512.3
 50–65 years66030.526.510.812.2
 66–93 years46220.218.67.610.7
Region
 British Columbia17313.414.69.514.4
 Alberta12310.711.52.711.9
 Saskatchewan, Manitoba1006.57.08.611.3
 Ontario64738.341.76.69.1
 Quebec40324.025.78.211.7
 Eastern provinces587.27.615.017.2
Education
 High school or less36422.645.79.617.3
 CEGEP, trade or professional certificate, or others40631.429.19.212.8
 Some university, degree, or graduate degree58542.025.25.78.2
Own/mortgage home
 Yes130886.069.46.99.6
 No19614.030.612.323.0
Income
 <$50,00056732.040.114.118.0
 $50,000–$99,99955736.933.25.611.2
 $100,000+38031.125.93.65.0
Marital status
 Married or living as married107770.357.77.710.6
 Single, widowed, separated, or divorced42729.742.37.613.5
Employment status
 Working full- or part-time77463.060.95.68.4
 Retired52222.7NA8.611.6
 Looking for, incapable of, or not looking for work20814.3NA15.624.9
Smoking status
 Never smoked71052.7NA5.47.6
 Previously smoked57731.7NA11.414.6
 Current/occasional smoker18814.2NA8.319.6
Comorbid conditions
 Stroke120.6NA13.530.3
 Gastrointestinal condition322.2NA22.422.4
 Respiratory (not asthma)482.5NA13.319.7
 Anxiety564.7NA16.036.1
 Heart disease683.1NA21.624.2
 Mood disorder825.7NA16.828.9
 Bowel disorder855.6NA26.522.2
 Asthma997.9NA10.012.4
 Diabetes1306.1NA28.833.4
 Hypertension30716.0NA17.224.7
Language of questionnaire
 English109174.756.9/85.07.611.5
 French41125.321.3/30.17.911.1
Survey mode
 Paper139591.5NA6.511.4
 Online1098.5NA8.811.8

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.