. 2023 Dec 20;18(12):e0295919. doi: 10.1371/journal.pone.0295919

Table 2. Estimates of growth curve parameters for body mass index trajectories.

Male aged over 60	Intercept, kg/m²		Linear Slope, kg/m²		Group membership, %
Male aged over 60	Estimate	95% CI	Estimate	95% CI	Group membership, %
Obesity, stable	30.1	26.5, 33.7	0.001	-0.029, 0.031	7.3
Overweight, stable	25.9	23.6, 28.2	0.01	-0.004, 0.023	36.1
Mid-normal weight, stable	22.5	20.2, 24.7	-0.007	-0.02, 0.006	42.7
Low-normal weight, stable	18.8	16.2, 21.4	0.008	-0.016, 0.031	13.9
Male aged 40–60	Intercept, kg/m²		Linear Slope, kg/m²		Group membership, %
Male aged 40–60	Estimate	95% CI	Estimate	95% CI	Group membership, %
Obesity, increasing	31.1	27.1, 35.0	0.026	0.014, 0.038	6.1
Overweight, increasing	26.7	24.4, 29.0	0.035	0.03, 0.041	31.5
Mid-normal weight, increasing	23.5	21.2, 25.7	0.025	0.021, 0.029	46.6
Low-normal weight, increasing	19.9	17.4, 22.5	0.031	0.024, 0.038	15.7
Female aged over 60	Intercept, kg/m²		Linear Slope, kg/m²		Group membership, %
Female aged over 60	Estimate	95% CI	Estimate	95% CI	Group membership, %
Obesity, increasing	32.7	28.4, 36.9	0.043	0.004, 0.082	5.8
Overweight, stable	27.6	24.9, 30.3	0.018	-0.002, 0.039	28.1
Mid-normal weight, stable	23.7	21.2, 26.3	0.0002	-0.015, 0.016	47.2
Low-normal weight, stable	19.8	16.9, 22.8	-0.017	-0.048, 0.006	18.9
Female aged 40–60	Intercept, kg/m²		Linear Slope, kg/m²		Group membership, %
Female aged 40–60	Estimate	95% CI	Estimate	95% CI	Group membership, %
Obesity, increasing	32.5	27.7, 37.3	0.079	0.064, 0.095	4.4
Overweight, increasing	27.3	24.6, 30.1	0.051	0.044, 0.058	21.9
Mid-normal weight, increasing	23.6	21.2, 25.9	0.032	0.027, 0.037	44
Low-normal weight, increasing	20.2	17.8, 22.7	0.012	0.007, 0.018	29.7

Abbreviations: CI, confidence interval.