highly significantp < 0.001
The Friedman test for related samples showed a statistically highly significant difference between the three measurement time points (χ 2 = 17.3; df = 2; p < 0.001).
The Friedman test for related samples showed a statistically highly significant difference between the three measurement time points (χ 2 = 17.3; df = 2; p < 0.001).