Table 3 Body composition mean values (CI), mean difference (CI) and P-values between DDM and BIA among different age groups
Body composition means | ||||
|---|---|---|---|---|
DDM | BIA | Mean difference | P-value | |
Children (8–9 years) | ||||
FFM (kg) | 23.48 (21.72–25.23) | 24.13 (22.10–26.16) | −0.657 (−1.474–0.160) | 0.1071 |
FM (kg) | 4.84 (3.90–5.77) | 4.18 (3.48–4.88) | 0.657 (− 0.160–1.474) | 0.1071 |
%BF | 16.77 (14.66–18.88) | 14.61 (12.83–16.39) | 2.157 (−0.397–4.711) | 0.0920 |
Young adolescents (10–14 years) | ||||
FFM (kg) | 34.11 (32.88–35.34) | 33.89 (32.72–35.06) | 0.224 (− 0.111–0.559) | 0.1876 |
FM (kg) | 6.29 (5.61–6.96) | 6.51 (5.80–7.22) | −0.224 (− 0.559–0.111) | 0.1876 |
%BF | 14. 90 (13.74–16.06) | 15.34 (14.21–16.45) | −0.436 (− 1.239–0.367) | 0.2846 |
Older adolescents (15–19 years) | ||||
FFM (kg) | 43.78 (42.00–45.56) | 46.62 (45.05–48.19) | −2.841 (− 3.983 - -1.699) | < 0.0001 |
FM (kg) | 11.77 (9.97–13.58) | 8.93 (7.54–10.32) | 2.841 (1.699–3.983) | < 0.0001 |
%BF | 20.43 (17.64–23.71) | 15.42 (13.32–17.52) | 5.006 (3.068–6.944) | < 0.0001 |