Table 2.
Characteristics of the participant child.
| Crude | Weighted | ||
|---|---|---|---|
| n * | % | % or mean (SD) | |
| Cohort | |||
| Epipage2 | 414 | 16.2 | 2.2 |
| Elfe | 2,141 | 83.8 | 97.8 |
| Sex | |||
| Female | 1,261 | 49.4 | 49.2 |
| Male | 1,294 | 50.6 | 50.8 |
| Respondent to the main questionnaire | |||
| Mother | 2,358 | 92.3 | 92.4 |
| Other parent | 196 | 7.6 | 7.6 |
| Age of the mother in 2020, mean (SD) | 2,358 | 40.2 (4.2) | 40.0 |
| Mother’s level of education at birth | |||
| No university degree | 510 | 20.2 | 21.2 |
| 2-year university degree | 638 | 25.2 | 23.7 |
| University degree of ≥3 years and higher | 1,383 | 54.6 | 55.1 |
| Mother’s country of birth | |||
| France | 2,404 | 95.0 | 92.4 |
| Other European country | 47 | 1.9 | 3.1 |
| Other | 79 | 3.1 | 4.5 |
| Father’s level of education at birth | |||
| No university degree | 857 | 34.9 | 33.4 |
| 2-year university degree | 538 | 21.9 | 20.9 |
| University degree of ≥3 year and higher | 1,062 | 43.2 | 45.7 |
| Region of residence during the lockdown | |||
| Ile-de-France | 386 | 15.3 | 16.8 |
| Grand Est | 259 | 10.3 | 10.1 |
| Nouvelle-Aquitaine | 214 | 8.5 | 9.1 |
| Other | 1,660 | 65.9 | 64.0 |
| City size | |||
| >100,000 inhab. | 326 | 12.9 | 12.9 |
| 20-000-100,000 | 455 | 18.1 | 18.4 |
| <20,000 inhab. | 619 | 24.6 | 25.4 |
| Rural | 1,118 | 44.4 | 43.3 |
| Number of persons living in the household | |||
| 2 or 3 | 362 | 14.4 | 12.7 |
| 4 or 5 | 1,976 | 78.4 | 78.7 |
| 6 and + | 182 | 7.2 | 8.6 |
*
n with available data for the considered characteristics.