3.3. Adherence
HOLIDAY
There was a high adherence rate (76%), but it was lower in the second study site (Site 1 = 83%, Site 2= 69%), partly due to more illness absence and one session being scheduled right before a public holiday. Due to COVID-19, follow-up procedures and measurements were affected. To collect weight and blood pressure, some participants used their own devices (weight scale: IG = 4, CG = 6, blood pressure equipment IG = 3, CG = 3); missing data were seen in the 12-month physical performance test (6MWT); and three participants (IG: 