Table 2. Age- and sex-stratified means (±s.d.) of measured height, height predicted using equations based on knee height (Height_KH) and demispan (Height_demispan), BMI using measured height and BMI using predicted height (BMI_KH and BMI_demispan) for group 1 and 2 populations.

Group 1	Age	Height	HeightKH	BMI	BMIKH
Men	60–64	176.7±6.7	176.6±3.2	27.76±4.4	27.82±4.8
	65–69	175.8±6.4	176.5±2.3	27.39±3.8	27.16±4.1
	70–74	175.5±6.6	176.6±2.1	27.55±4.1	27.23±4.5
	75–79	173.1±6.3	175.9±2.6	26.81±3.5	25.91±3.5
	80–84	172.9±7.1	176.1±2.5	26.42±3.5	25.42±3.4
	⩾85	170.9±6.6	175.5±2.6	25.32±4.8	24.01±4.2
	All	174.8±6.9	176.3±2.7	27.06±4.1	26.61±4.4
Women	60–64	164.3±6.0	164.4±4.1	26.48±4.7	26.40±4.7
	65–69	163.1±5.6	164.3±3.9	27.19±4.7	26.79±4.6
	70–74	161.0±5.7	164.1±4.1	27.50±5.0	26.50±4.7
	75–79	159.9±6.1	163.7±3.8	26.90±4.8	25.71±4.5
	80–84	158.6±6.0	163.4±3.7	26.73±4.4	25.10±4.0
	⩾85	156.2±6.7	162.9±3.9	24.82±4.2	22.83±4.0
	All	160.7±6.7	163.8±3.9	26.52±4.7	25.54±4.6
Group 2	Age	Height	Heightdemispan	BMI	BMIdemispan
Men	60–64	177.4±6.7	177.5±5.5a	27.53±4.0a	27.54±4.0
	65–69	175.8±9.3	176.4±5.5	28.44±9.9	27.81±4.3
	70–74	175.1±6.3	176.5±10.3	27.48±3.9	27.14±3.9
	75–79	174.1±7.1	175.7±5.8	27.46±3.2	26.98±3.3
	80–84	172.9±6.5	175.5±5.6	26.72±3.5	26.10±3.3
	⩾85	170.9±7.1	172.7±14.1	27.51±2.5	26.80±3.7
	All	175.3±7.6	176.3±7.7	27.46±5.8	27.31±8.0
Women	60–64	163.3±6.4	163.3±3.9a	27.29±5.3a	27.26±5.5a
	65–69	163.5±6.0	163.7±4.2	27.32±5.2	27.27±5.0
	70–74	162.3±5.8	163.5±2.8	26.94±4.9	26.58±4.8
	75–79	159.5±5.6	162.8±2.8	29.66±16.9	28.40±15.2
	80–84	158.7±5.9	163.1±5.8	27.81±13.6	26.54±15.2
	⩾85	155.8±6.6	162.1±6.0	25.32±4.6	23.73±4.5
	All	161.3±6.7	163.2±4.4	27.20±8.1	26.69±8.3

Abbreviation: BMI, body mass index.

Units used were as follows: Height, Height_demispan and Height_KH in cm; BMI, BMI_KH and BMI_demispan in kg/m².

^aP⩽0.05, statistically significant difference of mean values across age groups (analysis of variance (ANOVA) test).