Table 1

Baseline characteristics of participants according to broader country of origin categories of Dutch, LMIC or HIC in the Netherlands

VariableNameTotal*%Dutch*%LMIC origin*%HIC origin*%
Migration background
Dutch origin13 18375.7
LMIC origin240313.8
HIC origin183510.5
Sex
Female876650.3661850.2119849.995051.8
Male865549.7656549.8120550.188548.2
Age categories (years)
< 5010 14258.2714554.2186577.6113261.7
50–5412877.410017.61546.41327.2
55–5912677.310177.71305.41206.6
60–6411446.69457.2953.91045.7
65–6910145.88546.5642.6965.3
70–749865.78476.4431.8965.2
75–796623.85724.3281.1623.4
80–844732.74053.1170.7512.8
85–892841.62511.960.3271.5
90–941260.71130.920.1110.6
95+360.2330.20030.2
Region of residence
Main municipal health regions486928.0300422.8121050.465535.7
Rest of Netherlands12 54972.010 17777.2119349.6118064.3
Residential care status
Residential care2701.52311.8140.6251.3
Non-residential care1871.11481.1230.9170.9
Not in care16 96497.412 80397.1236798.5179497.8
Household size (in persons)
1 person339619.5248118.843918.347726
2 people530930.5427932.545118.857931.5
3 people276715.9203115.443117.930516.6
4 people378121.7292022.25292233218.1
5 people +216712.4147111.2554231427.7
Household wealth (quantiles)
1 (highest)310317.8271420.61255.226414.4
2331819.0282921.5216927314.9
3337019.3277721.130312.629015.8
4321818.5242218.446719.432817.9
5 (lowest)339319.5200915.299441.439021.3
Unknown10205.94323.329812.429015.8
  • First, countries of origin were broadly classified based on World Bank’s ‘LMIC’ and ‘HIC’ categories. Second, the countries were classified into more specific subgroups, that is, five countries of origin with the largest number of inhabitants (Turkey, Morocco, Suriname, Dutch Antilles and Indonesia), and the remain groups into other LMIC origin and other HIC origin.

  • *Population per first March 2020 times 1000.

  • HIC, high-income countries; LMIC, low-income and middle-income country.