1. Introduction
School closures during the COVID-19 pandemic were implemented to reduce the introduction and transmission of SARS-CoV-2 [
1]. Though intended as a protective measure to restrict SARS-CoV-2 infections, school closures limited students’ access to learning and peer environments, with broad implications for adolescent development [
2]. Adverse effects of school closures include diminished opportunities for cognitive and social development [
3], as well as reduced participation in athletics, extracurricular and other valued activities [
2]. Of concern, these lost opportunities for development have been linked to problems in youth psychiatric adjustment, with distinct increases in symptoms of depression and anxiety from pre-pandemic levels [
4].
It is well established that adolescents with chronic pain experience disruptions in critical domains of adolescent development including school and extracurricular activities, as well as peer and family relationships [
5]. As such, school closures during the COVID-19 pandemic may have been especially harmful to these youth. In fact, adolescents with chronic pain are more likely to experience school difficulties than their pain-free counterparts, including impaired ability to cope with classroom demands, frequent absences, and decline in academic performance [
6,
7], with implications for psychological adjustment [
8].
Given the proliferation of online learning opportunities after the COVID-19 pandemic and its potential impact on youth with chronic pain, the current study was conducted as an exploratory investigation aiming to compare a cohort of youth who attended an Intensive Interdisciplinary Pain Treatment Program (IIPT) before the COVID-19 pandemic to an age- and gender-matched cohort of youth who attended after the pandemic on school attendance and learning format (e.g., in person, online, hybrid). We also aimed to examine the relationship of school attendance and format to internalizing symptoms and functional disability in these youths. Though the study was exploratory, it was hypothesized that adolescents who attended the IIPT post-pandemic would experience greater school absenteeism as well as higher levels of anxiety, depression, and functional disability than adolescents who attended the IIPT pre-pandemic.
2. Materials and Methods
2.1. Participants
Participants included adolescent patients (
n = 226), ages 13–18, (
M = 15.89,
SD = 1.46) who had been struggling with debilitating chronic pain and/or associated symptoms (e.g., dizziness, fatigue) enrolled in an IIPT. Debilitating chronic pain includes chronic pain that interferes with daily functioning, which can include school attendance or performance, social activities, extracurricular activities, physical activity, eating, sleep, driving, chores, and mood. Participants who were admitted between March 2019 and March 2020 were included in the pre-pandemic cohort (
n = 113). These participants were consecutively admitted to the IIPT. Participants who were admitted from November 2021 to November 2023 were age- (within 1 year) and gender-matched to the pre-pandemic cohort (post-pandemic cohort;
n = 113). There was one participant in the post-pandemic group we were not able to match: a 17-year-old male. Therefore, the final sample consisted of 113 participants in each group. Similarly to other studies on youth with chronic pain, the majority of participants identified as predominantly White/Caucasian (
n = 203, 89%) and female (
n = 162, 71.7%). Please see
Table 1 for other demographic and patient characteristics.
2.2. Treatment Program
Participants were enrolled on a rolling basis throughout the year in an IIPT that consisted of 15 days of intensive outpatient services that included pain medicine, pain psychology, physical therapy, occupational therapy, and recreational therapy. Details about this program have been published elsewhere [
9].
2.3. Procedure
Study procedures were approved by the Institutional Review Board (IRB # 004702) and patients (age 18 or older) or their parents (patient age < 18) signed informed consent to participate. Upon admission to the program, participants completed structured questions related to pain and school history including questions about school format and the number of missed days of school, as well as clinical measures. Patients responded to a structured question about the type of school they attend “What type of schooling are you enrolled in,” with response items including “regular full time, regular part time, online, homeschooled, homebound, and hybrid”. Missed days of school were self-reported by participants, “In the past 12 months, how many days of school did you miss because of your pain?”
2.4. Measures
Participants rated their current pain level using the Pain intensity Numerical Rating Scale (NRS), an 11-point rating scale ranging from 0 = “no pain” to 10 = “worst pain.” Youth rated symptoms of anxiety on the Spence Children’s Anxiety Scale (SCAS) [
10], a well-validated 38-item self-report measure of the frequency of various symptoms associated with anxiety. Depression was measured with the Center for Epidemiological Studies Depression Scale for Children (CESD) [
11], a 20-item self-report measure of depressive symptoms with acceptable reliability and validity for adolescents [
12]. Finally, participants rated their perception of their functional disability using the Functional Disability Inventory (FDI) [
13], a well-established, 15-item self-report measure that assesses difficulty in physical and psychosocial functioning due to health status [
14].
2.5. Statistical Analyses
To compare differences between cohorts on pain intensity, pain duration, days of missed school, and scores on the SCAS and CESD, we conducted independent t-tests. We conducted a chi-square test to examine differences in type of school for participants who participated in the IIPT before the pandemic compared to after the pandemic. To explore potential differences between type of school and functioning for post-pandemic participants, we conducted a post hoc analysis using independent t-tests to examine differences between those who attended in person school to those who attended an online format on missed days of school, and scores on the SCAS, CESD and FDI. Post hoc analyses were not a part of the original analysis plan, and were exploratory in nature to further investigate the impact of increased availability of online schooling options post-pandemic in a youth chronic pain population.
3. Results
Analyses
There were no differences between the pre- and post-pandemic groups for pain intensity (
t (224) = −0.41,
p = 0.34), pain duration (
t (224) = −1.38,
p = 0.09) or functional disability (
t (224) = 0.44,
p = 0.33). See
Table 2. Participants in the pre-pandemic group reported significantly more missed days of school compared to the post-pandemic group (
t (218) = 1.75,
p <0.05). There were no significant differences between the pre- and post-pandemic groups for depressive symptoms (CESD;
t (224) = −1.03,
p = 0.15) or anxiety symptoms (SCAS;
t (224) = 0.31,
p = 0.38). See
Table 2. There was a significant difference in type of school attended between pre- and post-pandemic groups (c
2 (6, 226) = 17.64,
p < 0.01), with an increase in online and home-schooling options post-pandemic, and a decrease in homebound and in-person, part-time schooling options post-pandemic. See
Table 1 for means and percentages.
Exploratory analyses suggested that participants in the post-pandemic cohort who attended online school had significantly more missed days of school (t (69) = −2.78, p < 0.01) and higher functional disability than those attending full time in person school (FDI; t (69) = −1.82, p <0.05). There were no differences between these groups for depression symptoms (CESD; t (69) = −0.59, p = 0.28) or anxiety symptoms (SCAS; t (69) = −0.43, p = 0.33).
4. Discussion
The aim of this cross-sectional study was to investigate the impact of the COVID-19 pandemic on school attendance in adolescents with chronic pain attending an IIPT. As expected, adolescents attending the program after the pandemic were more likely to be enrolled in online school than those who attended the IIPT before the pandemic. Yet, compared to youth in the pre-pandemic cohort, youth in the post-pandemic cohort reported fewer missed days of school. There were no differences in internalizing symptoms or functional disability between the groups. Exploratory analyses found that youth in the post-pandemic cohort who attended online school reported more school absences and higher levels of functional disability than individuals attending who attended school in person.
Though these findings might suggest that for youth coping with chronic pain, online school facilitates school attendance without detriment to youth psychological adjustment, scores on measures of depressive symptoms were quite high in both groups. As such, ceiling effects may account for the lack of a relationship between school format and internalizing symptoms. In fact, exploratory analyses in the post-pandemic cohort show that online options were associated with a significant increase in both missed days of school and functional disability. These findings are consistent with the fear avoidance model, as online schooling options can serve as a reinforcer for school avoidance and inhibit return to functioning/increase functional disability [
15].
The current study demonstrates that more youth with chronic pain in the post-pandemic era are choosing online options. However, the results also indicate this option is associated with greater school absence and higher levels of functional impairment. As such, the results support evidence-based treatment for pediatric chronic pain which emphasizes a gradual return to full functioning, including a return to in-person schooling and daily activities. Given the proliferation and widespread acceptance of online schooling options and their implications for functional disability, future research should examine ways to support youth with chronic pain in returning to in-person school.
This study is limited by the cross-sectional design, post hoc analyses, and multiple t-tests. Multiple comparisons increase the occurrence of finding a statistically significant result purely by chance and thus runs the risk of type I error. As this study is correlational, it is also limited in its implications, as a clear causal pathway cannot be inferred. Thus, there may be alternative explanations for the association between increased functional impairment and online schooling, such as youth with more severe impairment self-selecting into online schooling options. This study is also limited due to its ethnically and racially homogenous sample of youth with high-impact chronic pain, which limits our ability to generalize the findings to more diverse populations of youth and those with less severe symptoms and disability. Finally, the data in this study showed a clear trend toward musculoskeletal pain and conversion disorder in the post-pandemic cohort. It is not clear if this is indicative of broader secular changes or shifts in referral patterns, however this shift in primary concern could potentially impact the generalizability and outcomes of this study.
These preliminary findings raise important questions about how the COVID-19 pandemic may lead to sustained changes in the way adolescents with chronic pain attend school, potentially contributing to school drop out for youth already at risk. Future research should examine both the positive and negative effects of these format changes for adolescents who experience chronic pain/symptoms. This research will be paramount in addressing school absence and enhancing functioning in this vulnerable population.
Author Contributions
Conceptualization, J.R.B., K.W., L.S. and C.H.-W.; methodology, J.R.B., K.W., L.S. and C.H.-W.; formal analysis, J.R.B.; writing—original draft preparation, J.R.B.; writing—review and editing, J.R.B., L.S., K.W. and C.H.-W. All authors have read and agreed to the published version of the manuscript.
Funding
This research received no external funding.
Institutional Review Board Statement
The study was conducted in accordance with the Declaration of Helsinki, and approved by the Institutional Review Board of Mayo Clinic (10-004702) on 12 October 2010. (The latest continuing approval date: 5 March 2025).
Informed Consent Statement
Informed consent was obtained from all subjects involved in the study.
Data Availability Statement
The participants of this study did not give written consent for their data to be shared publicly, so data cannot be made available.
Acknowledgments
We express gratitude towards Judy Gebhard, the research assistant who coordinated data collection, as well as to our participants and their families.
Conflicts of Interest
The authors declare no conflicts of interest.
Abbreviations
The following abbreviations are used in this manuscript:
| IIPT | Intensive Interdisciplinary Pain Treatment |
| NRS | Numerical Rating Scale |
| CESD | Center for Epidemiological Studies Depression Scale for Children |
| FDI | Functional Disability Inventory |
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Table 1.
Participant demographic and school-related characteristics.
Table 1.
Participant demographic and school-related characteristics.
| | Pre-Pandemic | Post-Pandemic |
|---|
| | M/n | SD/% | M/n | SD/% |
|---|
| Age | 15.88 | 1.48 | 15.89 | 1.44 |
| Gender | | | | |
| Female | 81 | 71.7 | 81 | 71.7 |
| Male | 28 | 24.8 | 28 | 24.8 |
| Other | 4 | 3.5 | 4 | 3.5 |
| Primary Condition | | | | |
| Musculoskeletal, limb, or joint pain | 16 | 14.2 | 36 | 31.9 |
| Orthostatic intolerance | 40 | 35.4 | 5 | 4.4 |
| Abdominal pain | 25 | 22.1 | 22 | 19.5 |
| Headache or Migraine | 21 | 18.6 | 19 | 16.8 |
| Conversion disorder | 2 | 1.8 | 27 | 23.9 |
| Complex Regional Pain Syndrome | 1 | 0.9 | 4 | 3.5 |
| Other | 7 | 6.2 | 0 | 0 |
| Race and Ethnicity | | | | |
| White/Caucasian | 101 | 89.4 | 102 | 90.3 |
| Black/African American | 1 | 0.9 | 1 | 0.9 |
| Asian | 0 | 0 | 2 | 1.8 |
| American Indian/Alaska Native | 1 | 0.9 | 0 | 0 |
| Multi-racial | 7 | 6.2 | 4 | 3.5 |
| Other | 2 | 1.8 | 1 | 0.9 |
| Chose not to answer | 1 | 0.9 | 0 | 0 |
| School Type | | | | |
| Regular full time | 45 | 39.8 | 44 | 38.9 |
| Regular part time | 18 | 15.9 | 12 | 10.6 |
| Online | 21 | 18.6 | 27 | 23.9 |
| Homeschool | 5 | 4.4 | 9 | 8.0 |
| Homebound instruction | 14 | 12.4 | 3 | 2.7 |
| Hybrid | 9 | 8.0 | 8 | 7.1 |
| Did not choose any option | 1 | 0.9 | 10 | 8.8 |
Table 2.
Differences in Pain, Missed Days of School, Functional Disability, and Internalizing Symptoms between pre- and post-pandemic cohorts.
Table 2.
Differences in Pain, Missed Days of School, Functional Disability, and Internalizing Symptoms between pre- and post-pandemic cohorts.
| | Pre-Pandemic | Post-Pandemic | | | |
|---|
| | M | SD | M | SD | t (224) | p | Cohen’s D |
|---|
| Pain Intensity | 4.81 | 2.28 | 4.94 | 2.25 | −0.41 | 0.34 | −0.6 |
| Pain duration | 3.50 | 3.53 | 4.22 | 4.23 | −1.38 | 0.09 | −0.18 |
| Missed Days of School | 73.59 | 58.01 | 60.87 | 48.97 | 1.75 | <0.05 | 0.24 |
| FDI | 26.97 | 10.66 | 26.34 | 10.89 | 0.44 | 0.33 | 0.06 |
| CESD | 28.36 | 14.25 | 30.21 | 12.64 | −1.03 | 0.15 | −0.14 |
| SCAS Total Score | 36.33 | 18.45 | 35.52 | 20.97 | 0.31 | 0.38 | 0.04 |
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