Volume 31, Supplement—December 2025
SUPPLEMENT ISSUE
Supplement
Functional Limitations and Illness-Related Absenteeism among School-Aged Children with and without Long COVID, United States, 2022–2023
Table 3
Illness-related absenteeism among children in a study of functional limitations and illness-related absenteeism among school-aged children with and without long COVID, United States, 2022–2023*
| Absenteeism | Weighted no. (%) [95% CI] |
p value† | |
|---|---|---|---|
| Had long COVID | Never had long COVID | ||
| Total analytic sample | 1,538,000 | 105,255,000 | |
| No. sick days | <0.001 | ||
| 0 | 311,000 (20.3) [13.5–28.5] | 33,808,000 (32.4) [31.3–33.6] | |
| 1–5 | 421,000 (27.4) [20.4–35.4] | 47,782,000 (45.9) [44.8–47.0] | |
| 6–17 | 588,000 (38.3) [29.7–47.6] | 18,873,000 (18.1) [17.2–19.0] | |
| 18–29 | 49,000 (3.2) [1.1–7.1] | 2,203,000 (2.1) [1.8–2.5] | |
| >30 | 165,000 (10.7) [5.7–18.0] | 1,530,000 (1.5) [1.2–1.8] | |
| Chronic absence‡ |
214,000 (13.9) [8.5–21.1] |
3,733,000 (3.5) [3.1–4.0] |
<0.001 |
| Subsample of children with prior COVID-19 | 1,538,000 | 41,511,000 | |
| No. sick days | <0.001 | ||
| 0 | 311,000 (20.3) [13.5–28.5] | 9,473,000 (23.0) [21.6–24.6] | |
| 1–5 | 421,000 (27.4) [20.4–35.4] | 18,950,000 (46.1) [44.3–47.8] | |
| 6–17 | 588,000 (38.3) [29.7–47.6] | 10,659,000 (25.9) [24.4–27.5] | |
| 18–29 | 49,000 (3.2) [1.1–7.1] | 1,201,000 (2.9) [2.4–3.6] | |
| >30 | 165,000 (10.7) [5.7–18.0] | 844,000 (2.1) [1.6–2.6] | |
| Chronic absence‡ | 214,000 (13.9) [8.5–21.1] | 2,045,000 (4.9) [4.2–5.7] | <0.001 |
*Data are from the National Health Interview Survey (5,6). Numbers are weighted, are rounded to the nearest thousand, and might vary because of missing data. All estimates are weighted, account for complex sampling, and meet National Center for Health Statistics data standards. Parents of children with prior COVID-19 (mild, moderate, or severe symptoms or unknown symptom severity during acute illness [2022] and all children with prior COVID-19 irrespective of acute illness symptom severity [2023]) were asked about ongoing symptoms using the question “Did [NAME] have any symptoms lasting 3 months or longer that [she/he] did not have prior to having COVID-19?” Children with an affirmative response were classified as having long COVID. Children who never had COVID-19 and those who had COVID-19 but never had ongoing symptoms were classified as never having long COVID. NA, not applicable. †p values are for Rao-Scott χ2 tests for sociodemographic and health characteristics comparing children who ever and never had long COVID. ‡Chronic absence from school for health reasons was defined as missing >18 days of school due to illness or injury during the 12 months preceding the survey.
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