Table 3 Results of the Passing-Bablok regression analyses.
From: Equations for smartphone prediction of adiposity and appendicular lean mass in youth soccer players
Male players (N = 122) | Female players (N = 69) | |
|---|---|---|
Body fat % | ||
Linear model validity | ||
Cusum test for linearity | P = 0.18 | P = 0.29 |
Systematic differences | ||
Intercept | 27.4 | − 11.8 |
95% confidence interval | 42.2 to − 18.0 | − 25.8 to − 2.4 |
Proportional differences | ||
Slope | 2.4 | 1.3 |
95% confidence interval | 1.9 to 3.3 | 0.9 to 1.7 |
Total lean mass (kg) | ||
Linear model validity | ||
Cusum test for linearity | P = 0.37 | P = 0.65 |
Systematic differences | ||
Intercept | − 1.9 | 3.0 |
95% confidence interval | − 6.1 to 1.9 | − 2.7 to 8.1 |
Proportional differences | ||
Slope | 1.1 | 1.0 |
95% confidence interval | 1.0 to 1.2 | 0.9 to 1.1 |
Appendicular lean mass (kg) | ||
Linear model validity | ||
Cusum test for linearity | P = 0.37 | P = 0.29 |
Systematic differences | ||
Intercept | − 1.3 | − 5.8 |
95% confidence interval | − 3.8 to 1.0 | − 10.3 to − 1.7 |
Proportional differences | ||
Slope | 1.6 | 1.7 |
95% confidence interval | 1.5 to 1.7 | 1.5 to 2.0 |