The COVID-19 pandemic and changes in physical activity patterns, mental health and academic performance in Swedish adolescents

The COVID-19 pandemic and secular changes in physical activity patterns, mental health and academic performance in Swedish adolescents: a cohort study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

ISRCTN

Registry ID

ISRCTN15689873

Enrollment

1139

Registered

2021-06-17

Start date

2021-03-25

Completion date

Unknown

Last updated

2024-07-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Physical activity patterns, mental health and academic performance before and during the COVID-19 pandemic in Swedish adolescents Not Applicable

Interventions

During the baseline measurements (autumn 2019) the participants answered a questionnaire with items covering mental health, dietary intake, stress, sleep, physical activity habits and screen-time. Fur

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Inclusion criteria at baseline: Inclusion criteria (schools): Schools within 2 hours of Stockholm, Sweden Inclusion criteria (students): Students attending grade 7 in the participating schools

Exclusion criteria

Exclusion criteria: Schools (at baseline): 1. Schools with less than 15 students in grade 7 2. Schools with a sports profile Participants (at baseline) Students not able to understand Swedish

Design outcomes

Primary

Measure	Time frame
1. Physical activity patterns measured by accelerometry at baseline and follow-up 2. Anxiety assessed with a questionnaire (SCAS-S) at baseline and follow-up 3. Health-related quality of life (HRQoL) measured using Kidscreen-10 at baseline and follow-up 4. Academic performance measured by grades (Swedish and mathematics) from registry data at baseline and follow-up Baseline: autumn 2019, follow-up: spring 2021	—

Measure

Time frame

1. Physical activity patterns measured by accelerometry at baseline and follow-up 2. Anxiety assessed with a questionnaire (SCAS-S) at baseline and follow-up 3. Health-related quality of life (HRQoL) measured using Kidscreen-10 at baseline and follow-up 4. Academic performance measured by grades (Swedish and mathematics) from registry data at baseline and follow-up Baseline: autumn 2019, follow-up: spring 2021

—

Secondary

Measure	Time frame
1. Stress measured using single-item stress question (SISQ) (questionnaire) at baseline and follow-up 2. Psychosomatic health assessed using the PsychoSomatic Problems Scale (PSP) at baseline and follow-up 3. Sleep quality and duration measured using an adapted version of Karolinska Sleep Questionnaire at baseline and follow-up 4. Self-reported screen-time measured using a questionnaire at baseline and follow-up 5. Participation in organized sports measured using a questionnaire at baseline and follow-up 6. Dietary habits measured using a questionnaire at baseline and follow-up 7. Current school situation (i.e. the amount of distance learning and resources at home) measured using a questionnaire at follow-up 8. Changes in behaviors during the pandemic measured using a scale developed by Kapetanovic et al (2021) at follow-up Baseline: autumn 2019, follow-up: spring 2021	—

Measure

Time frame

1. Stress measured using single-item stress question (SISQ) (questionnaire) at baseline and follow-up 2. Psychosomatic health assessed using the PsychoSomatic Problems Scale (PSP) at baseline and follow-up 3. Sleep quality and duration measured using an adapted version of Karolinska Sleep Questionnaire at baseline and follow-up 4. Self-reported screen-time measured using a questionnaire at baseline and follow-up 5. Participation in organized sports measured using a questionnaire at baseline and follow-up 6. Dietary habits measured using a questionnaire at baseline and follow-up 7. Current school situation (i.e. the amount of distance learning and resources at home) measured using a questionnaire at follow-up 8. Changes in behaviors during the pandemic measured using a scale developed by Kapetanovic et al (2021) at follow-up Baseline: autumn 2019, follow-up: spring 2021

—

Countries

Sweden

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 9, 2026