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Numbers of Observations at Different Times Across the Longitudinal Study by Participant Group.
| Baseline | 5–6 months | 10–12 months | 15–16 months | 20–22 months | Total Observations | |
|---|---|---|---|---|---|---|
| DH | 121 | 117 | 114 | 109 | 96a | 557 |
| OT | 55 | NA | 52 | NA | 53 | 160 |
| Total | 176 | 117 | 166 | 109 | 149 | 717 |
Abbreviations: COVID-19, coronavirus disease; DH, dental hygiene; NA, not applicable; OT, occupational therapy.
Seventeen of the observations in the DH group were missed due to the impact of COVID-19.
