Table 1. Mean height bias and confidence intervals, classical (top) and bootstrap (second row), between self-reported and measured heights by age for male subjects and female subjects in SLÁN 1998, SLÁN 2002 and SLÁN 2007.

Male	SLÁN 1998					SLÁN 2002					SLÁN 2007
	Height bias	N	SD	P	95% CI	Height bias	N	SD	P	95% CI	Height bias	N	SD	P	95% CI
<35	0.01	18	0.012	0.002	0.004, 0.016	0.018	26	0.021	0	0.009, 0.026	0.01	229	0.037	0	0.005, 0.015
					0.005, 0.015					0.01, 0.026					0.005, 0.014
35–44	0.005	18	0.025	0.364	−0.007, 0.018	0.025	35	0.028	0	0.015, 0.034	0.011	165	0.033	0	0.006, 0.016
					−0.007, 0.015					0.016, 0.034					0.006, 0.016
45–54	0.019	12	o.o3	0.048	0, 0.038	0.023	32	0.027	0	0.013, 0.032	0.014	177	0.027	0	0.01, 0.018
					0.005, 0.037					0.014, 0.032					0.01, 0.018
55–64	0.014	10	0.018	0.035	0.001, 0.027	0.023	31	0.044	0.007	0.007, 0.039	0.019	145	0.03	0	0.014, 0.024
					0.004, 0.025					0.008, 0.038					0.014, 0.024
65+	0.032	8	0.046	0.085	−0,006, 0.071	0.025	23	0.031	0.001	0.011, 0.038	0.034	193	0.043	0	0.028, 0.04
					0.004, 0.063					0.012, 0.037					0.028, 0.04
Female
	Height bias	N	SD	P	95% CI	Height bias	N	SD	P	95% CI	Height bias	N	SD	P	95% CI
<35	0.001	26	0.02	0.74	−0.007, 0.01	0.016	46	0.026	0	0.008, 0.024	0.004	262	0.036	0.12	−0.001, 0.008
					−0.07, 0.009					0.008, 0.023					−0.001, 0.008
35–44	0.004	52	0.025	0.286	−0.003, 0.011	0.01	51	0.027	0.012	0.002, 0.018	0.009	229	0.032	0	0.005, 0.013
					−0.003, 0.01					0.003, 0.017					0.005, 0.013
45–54	0.014	35	0.032	0.013	0.03, 0.026	0.007	42	0.034	0.174	−0.003, 0.018	0.013	256	0.036	0	0.009, 0.018
					0.005, 0.026					0.003, 0.017					0.008, 0.018
55–64	0	19	0.029	0.994	−0.014, 0.014	0.014	22	0.039	0.117	−0.004, 0.031	0.018	191	0.033	0	0.014, 0.023
					−0.013, 0.012					−0.004, 0.029					0.014, 0.023
65+	0.024	8	0.023	0.022	0.005, 0.043	0.046	23	0.039	0	0.029, 0.062	0.043	190	0.045	0	0.036, 0.049
					0.009, 0.039					0.03, 0.06					0.036, 0.049