Table A.2.
Comparison of Serial demanders, Serial non-demanders and Uniform samples to the Non-Uniform sample.
| Respondents characteristics |
Total (n = 1458) |
Non-uniform (n = 711) |
Uniform (n = 747) |
Serial non-demanders (n = 88) |
Serial demanders (n = 659) |
|---|---|---|---|---|---|
| Column percentage | |||||
| Individual characteristics | |||||
| Age | |||||
| 12–13 years old | 37.7 | 36.9 | 38.6 | 40.9 | 38.2 |
| 14 years old | 47.1 | 48.7 | 45.7 | 42.1 | 46.1 |
| 15–17 years old | 15.2 | 14.5 | 15.8 | 17.1 | 15.6 |
| Gender | |||||
| Girl | 53.5 | 55.7 | 51.4 | 51.1 | 51.4 |
| Boy | 46.5 | 44.3 | 48.6 | 48.9 | 48.6 |
| Middle school ID | ** | *** | |||
| School 1 | 8.0 | 9.4 | 6.6 | 18.2 | 5.0 |
| School 2 | 26.6 | 25.2 | 28.0 | 15.9 | 29.6 |
| School 3 | 10.8 | 12.2 | 9.4 | 22.7 | 7.6 |
| School 4 | 28.0 | 27.4 | 28.5 | 17.1 | 30.1 |
| School 5 | 26.7 | 25.7 | 27.6 | 26.1 | 27.8 |
| Education level of the parents | *** | ||||
| Inferior or equal to French baccalaureat | 19.2 | 19.8 | 18.6 | 17.1 | 18.8 |
| Superior to French baccalaureat for at least one parent | 50.7 | 49.9 | 51.4 | 29.6 | 54.3 |
| I don't know, non-applicable | 30.1 | 30.2 | 30.0 | 53.4 | 26.9 |
| Language spoken with parents | * | * | ** | ||
| Only French | 75.3 | 72.6 | 77.8 | 60.2 | 80.1 |
| Also another language | 24.7 | 27.4 | 22.2 | 39.8 | 19.9 |
| Attitudes towards vaccination | |||||
| In favour of vaccination (binary) | *** | *** | *** | ||
| Disagree or I don't know | 23.5 | 28.0 | 19.3 | 72.7 | 12.1 |
| Agree or strongly agree | 76.5 | 72.0 | 80.7 | 27.3 | 87.9 |
| Overall stated vaccine status | *** | *** | *** | ||
| Mostly no | 5.7 | 5.4 | 6.1 | 18.2 | 3.6 |
| Mostly I don't know | 72.2 | 68.0 | 76.7 | 69.3 | 67.8 |
| Mostly yes | 22.1 | 26.6 | 17.2 | 12.5 | 28.5 |
| "It is useful to get vaccinated" | *** | *** | |||
| Disagree | 3.2 | 3.6 | 3.0 | 10.2 | 2.0 |
| Agree | 91.9 | 90.5 | 93.3 | 67.1 | 96.8 |
| I don't know | 4.8 | 6.0 | 3.8 | 22.7 | 1.2 |
| "Getting vaccinated can protect others" | *** | ** | |||
| Disagree | 7.2 | 7.8 | 6.6 | 13.6 | 5.6 |
| Agree | 81.9 | 80.5 | 83.2 | 53.4 | 87.2 |
| I don't know | 10.9 | 11.7 | 10.2 | 33.0 | 7.1 |
| "Vaccination scares me because of the needle" | * | ||||
| Disagree | 60.9 | 60.3 | 61.5 | 50.0 | 63.1 |
| Agree | 34.6 | 34.9 | 34.5 | 39.8 | 33.7 |
| I don't know | 4.4 | 4.8 | 4.0 | 10.2 | 3.2 |
| "Vaccination scares me because of the substances in the vaccine" | * | ||||
| Disagree | 64.3 | 62.2 | 66.4 | 54.6 | 67.9 |
| Agree | 24.3 | 26.6 | 22.1 | 30.7 | 21.0 |
| I don't know | 11.4 | 11.2 | 11.5 | 14.8 | 11.1 |
| "Do you find it easy to get trustworthy information on vaccination?" | *** | * | *** | ||
| Difficult | 19.6 | 23.2 | 16.2 | 18.1 | 15.9 |
| Easy | 52.4 | 47.3 | 57.2 | 37.4 | 59.8 |
| I don't know | 28.0 | 29.5 | 26.6 | 44.6 | 24.3 |
NU: non-uniform sample; U: uniform sample; SND: serial non-demanders; SD: serial demanders; *: p-value compared to NU < 0.05; **: p-value compared to NU < 0.01; ***: p-value compared to NU < 0.001. For the overall stated vaccine status: mostly “no” corresponds to a score from 5 to 8, mostly “I don’t know” from 9 to 12, and mostly “yes” from 13 to 15.