Table 1.
Description of individual characteristics of included and excluded participants.
| Included | Excluded | p-Value | |
|---|---|---|---|
| N | 25,772 | 1426 | |
| Sex | 0.0005 | ||
| Men | 6966(27.03) | 326(22.86) | |
| Women | 18,806(72.97) | 1100(77.14) | |
| Age, years | 56.05 ± 14.49 | 56.07 ± 15.13 | 1.0 |
| Educational level | 0.05 | ||
| Primary | 4657(18.07) | 311(18.18) | |
| Secondary | 3377(13.10) | 274(16.01) | |
| Post-secondary | 17,671(68.57) | 1096(64.06) | |
| Missing | 67(0.26) | 30(1.75) | |
| Occupational activity | 0.02 | ||
| Managerial staff | 5806(22.53) | 358(25.11) | |
| Others | 19,876(77.12) | 1062(74.47) | |
| Missing | 90(0.35) | 6(0.42) | |
| Monthly income per household unit | 0.3 | ||
| <900 € | 1851(7.18) | 103(7.22) | |
| 900 €–2700 € | 13,053(50.65) | 665(46.63) | |
| >2700 € | 7353(28.53) | 409(28.68) | |
| Missing | 3515(13.64) | 249(17.46) | |
| Marital status | 0.3 | ||
| In couple | 17,989(69.80) | 971(68.09) | |
| Single/divorced/widowed | 6785(26.33) | 390(27.35) | |
| Missing | 998(3.87) | 65(4.56) | |
| Household composition | 0.7 | ||
| Adults only | 18,254(70.83) | 994(69.71) | |
| Adults and young children | 3792(14.71) | 222(15.57) | |
| Adults and teenagers | 1700(6.60) | 94(6.59) | |
| Adults and young children and teenagers | 1033(4.01) | 51(3.58) | |
| Missing | 993(3.85) | 65(4.56) | |
| Smoking status | 0.8 | ||
| Non-smokers | 12,490(48.46) | 687(48.18) | |
| Former smokers | 9253(35.90) | 514(36.04) | |
| Smokers | 3033(11.77) | 159(11.15) | |
| Missing | 996(3.86) | 66(4.63) | |
| Body Mass Index (BMI), kg/m2 | 0.002 | ||
| <18.5 | 1245(4.83) | 92(6.45) | |
| 18.5–24 | 15,667(60.79) | 892(62.55) | |
| 25–30 | 6216(24.12) | 320(22.44) | |
| ≥30 | 2561(9.94) | 114(7.99) | |
| Missing | 83(0.32) | 8(0.56) | |
| Self-estimated diet quality a | |||
| Very healthy diet | 2960(11.49) | ||
| Healthy diet | 21,665(84.06) | ||
| Unhealthy diet | 1054(4.09) | ||
| Very unhealthy diet | 93(0.36) | ||
| Self-estimated nutrition knowledge level a | |||
| I am very knowledgeable about nutrition | 3585(13.91) | ||
| I am somewhat knowledgeable about nutrition | 14,137(54.85) | ||
| I am not very knowledgeable about nutrition | 7304(28.34) | ||
| I do not know anything about nutrition | 746(2.89) | ||
| Grocery shopping involvement a | |||
| No | 1898(7.36) | ||
| Yes | 17,002(65.97) | ||
| Shared task | 6872(26.66) |
a Excluded participants did not answer to these questions.