Table 2.
Changes in physical activity, sitting time, and screen time.
| Variable | Before COVID-19 Lockdown | During COVID-19 Lockdown | Difference | Cohen’s d | p |
|---|---|---|---|---|---|
| Mean (95% CI a) | Mean (95% CI a) | Delta % | |||
| Moderate PA b (min/day) | |||||
| Total | 99.0 (93.0; 105.0) | 56.3 (51.1; 61.5) | −37.30% | −0.42 | <0.001 |
| Argentina | 92.9 (85.2; 100.7) | 55.7 (48.6; 62.8) | −32.60% | −0.39 | <0.001 |
| Chile | 103.7 (95.0; 112.5) | 56.7 (49.3; 64.2) | −41.40% | −0.45 | <0.001 |
| Vigorous PA b (min/day) | |||||
| Total | 44.1 (39.4; 48.7) | 22.1 (18.9; 25.2) | −49.50% | −0.33 | <0.001 |
| Argentina | 36.6 (31.0; 42.2) | 16.2 (13.1; 19.3) | −54.50% | −0.35 | <0.001 |
| Chile | 49.9 (43.0; 56.9) | 26.7 (21.6; 31.8) | −45.60% | −0.32 | <0.001 |
| Sitting Time (min/day) | |||||
| Total | 341.8 (332.7; 350.9) | 506.1 (494.4; 517.9) | 73.30% | 0.91 | <0.001 |
| Argentina | 377.2 (363.0; 391.4) | 549.6 (533.0; 566.2) | 71.20% | 0.99 | <0.001 |
| Chile | 314.0 (302.5; 325.4) | 471.9 (455.9; 487.9) | 74.90% | 0.85 | <0.001 |
| Screen Time (min/day) | |||||
| Total | 258.0 (248.8; 267.2) | 470.4 (457.8; 483.0) | 130.60% | 1.11 | <0.001 |
| Argentina | 272.6 (258.1; 287.0) | 489.2 (470.9; 507.4) | 129.10% | 1.17 | <0.001 |
| Chile | 246.5 (234.6; 258.4) | 455.6 (438.3; 473.0) | 131.70% | 1.07 | <0.001 |
| Before COVID-19 Lockdown | During COVID-19 Lockdown | ||||
| n (%) | 95% CI | n (%) | 95% CI a | ||
| PA b ≥ 150 min/week | |||||
| Total | 1029 (78.9%) | 76.6–81.1% | 743 (56.9%) | 54.2–59.6% | <0.001 |
| Argentina | 473 (82.3%) | 79.1–85.4% | 367 (63.8%) | 59.9–67.8% | <0.001 |
| Chile | 556 (76.2%) | 72.9–79.2% | 376 (51.5%) | 47.8–55.2% | <0.001 |
| ST c < 7 h | |||||
| Total | 865 (66.3%) | 63.7–68.8% | 456 (34.9%) | 32.4–37.5% | <0.001 |
| Argentina | 353 (61.4%) | 57.4–65.4% | 142 (24.7%) | 21.2–28.2% | <0.001 |
| Chile | 512 (70.1%) | 66.7–73.4% | 314 (43.0%) | 39.4–46.7% | <0.001 |
a Confidence interval, b Physical activity, c Sitting time.