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. 2022 Aug 4;6(6):823–836. doi: 10.1007/s41669-022-00353-3

Table 1.

General characteristics of respondents and the Belgian general adult population

Characteristics Final sample (N = 892) Belgian general adult population Difference sample − population
N % (weighted) % Percentage points
Demographics (sex, age group)*
 Male, aged 18–29 84 9.3 9.3 0.0
 Male, aged 30–39 70 8.2 8.1 0.0
 Male, aged 40–49 70 8.6 8.5 0.0
 Male, aged 50–59 80 8.9 8.8 0.0
 Male, aged 60–69 63 7.0 7.0 0.0
 Male, aged 70–79 42 4.4 4.3 0.1
 Male, aged 80–89 18 2.1 2.2 –0.1
 Male, aged 90–99 1 0.1 0.3 –0.3
 Female, aged 18–29 84 9.2 9.2 0.0
 Female, aged 30–39 75 8.2 8.1 0.0
 Female, aged 40–49 72 8.4 8.3 0.0
 Female, aged 50–59 84 8.8 8.8 0.0
 Female, aged 60–69 70 7.7 7.3 0.3
 Female, aged 70–79 43 5.2 5.2 0.0
 Female, aged 80–89 31 3.6 3.6 0.1
 Female, aged 90–99 5 0.4 0.8 –0.4
Region of residence*
 Flanders 529 58.2 58.2 0.1
 Wallonia 293 31.6 31.7 –0.1
 Brussels 70 10.2 10.2 0.0
Educational attainment (highest degree)§
 No degree, primary or lower secondary 212 24.0 25.8 –1.8
 Secondary or post-secondary 303 34.0 36.5 –2.5
 Tertiary 370 42.0 37.7 4.3
Labour marker status§
 Employee 423 47.5 45.2 2.3
 Self-employed 53 6.2 6.0 0.2
 Unemployed 36 4.2 4.0 0.2
 Inactive (including students) 136 15.5 19.0 –3.5
 Retired 237 26.6 25.3 1.3
Self-assessed health§
 Very good 228 26.4 27.7 –1.3
 Good 438 49.0 46.3 2.7
 Fair 157 17.5 16.9 0.6
 Bad 54 6.1 7.5 –1.4
 Very bad 8 1.0 1.6 –0.6
Health status EQ-5D-5L#
 No problem reported (state 11111) 307 34.6 40.7 –6.1
 Problem with mobility 199 22.7 17.4 5.3
 Problem with self-care 59 6.2 5.7 0.5
 Problem with usual activities 195 21.6 18.0 3.6
 Problem with anxiety/depression 264 28.9 22.9 6.0
 Problem with pain/discomfort 517 57.9 53.0 4.9
N Mean score Mean score Difference in score
Visual Analog Scale (EQ-VAS) by age^
 Aged 15–24 93 85.9 82.9 3.0
 Aged 25–34 151 82.9 80.7 2.2
 Aged 35–44 126 80.5 78.3 2.2
 Aged 45–54 147 75.6 77.3 –1.7
 Aged 55–64 162 75.2 76.1 –0.9
 Aged 65–74 119 75.2 73.5 1.7
 Aged 75 or more 94 67.7 67.3 0.4

Six respondents had missing values regarding country-specific background questions (educational attainment, labour market status, self-assessed health)

EU-SILC EU Statistics on Income and Living Conditions, HIS Health Interview Survey

*Population characteristics from population data on 1 January 2017 provided by Statistics Belgium

§Population characteristics from EU-SILC data wave 2019

#Population characteristics from Belgian HIS wave 2018

^Population characteristics from Belgian HIS wave 2013