|  |  | Body mass index (BMI) |  |  | |||
---|---|---|---|---|---|---|---|---|
 |  |  | Male participants | Female participants | Age | |||
Timepoint | Cohort | N (% female) | Mean | SD | Mean | SD | Mean | SD |
Wave 12 | FinnTwin12 | 651 (59%) | 17.7 | 2.8 | 17.6 | 2.4 | 11.4 | 0.3 |
Wave 14 | FinnTwin12 | 651 (59%) | 19.5 | 3.0 | 19.5 | 2.6 | 14.0 | 0.1 |
Wave 17 | FinnTwin12 | 651 (59%) | 21.8 | 2.9 | 21.2 | 2.8 | 17.6 | 0.2 |
(*) Wave 22 | FinnTwin12 | 651 (59%) | 23.9 | 3.4 | 22.6 | 3.6 | 22.4 | 0.7 |
Survey 5 | NTR | 412 (71%) | 22.0 | 2.9 | 21.2 | 2.7 | 20.7 | 2.3 |
Survey 6 | NTR | 484 (67%) | 22.5 | 2.8 | 21.6 | 2.7 | 23.2 | 2.4 |
Survey 7 | NTR | 501 (70%) | 23.3 | 3.2 | 21.9 | 2.9 | 25.4 | 2.5 |
(*) bb1—biobanking | NTR | 665 (69%) | 23.5 | 3.2 | 22.5 | 3.2 | 26.8 | 2.3 |
Growth factors | ||||||||
 Intercept | FinnTwin12 | 651 (59%) | 17.6 | 2.4 | 17.6 | 2.0 |  |  |
 Slope (nonlinear) | FinnTwin12 | 651 (59%) | 2.3 | 0.6 | 2.0 | 0.6 |  |  |
 Intercept | NTR | 665 (69%) | 21.9 | 2.4 | 21.2 | 2.2 |  |  |
 Slope (linear) | NTR | 665 (69%) | 0.3 | 0.1 | 0.2 | 0.1 |  |  |