. 2019 Aug 14;11(1):1949. doi: 10.4102/phcfm.v11i1.1949

TABLE 4.

Spearman’s rho correlation matrix showing interrelationships between selected body composition variables and tri-ponderal mass index and body mass index in estimating body fat levels in South African children (n = 1361).

Variables	Weight (kg)	WHtR	WHpR	TSKF (mm)	SSKF (mm)	ΣSKF	BMI (kg/m²)	TMI (kg/m³)
Weight (kg)	1.000	0.280^**	−0.292^**	0.567^**	0.634^**	0.609^**	0.813^**	0.402^**
WHtR	0.280^**	1.000	0.372^**	0.336^**	0.380^**	0.360^**	0.598^**	0.727^**
WHpR	−0.292^**	0.372^**	1.000	−0.338^**	−0.318^**	−0.341^**	−0.222^**	−0.090^**
TSKF (mm)	0.567^**	0.336^**	−0.338^**	1.000	0.870^**	0.979^**	0.627^**	0.500^**
SSKF (mm)	0.634^**	0.380^**	−0.318^**	0.870^**	1.000	0.949^**	0.673^**	0.514^**
ΣSKF	0.609^**	0.360^**	−0.341^**	0.979^**	0.949^**	1.000	0.662^**	0.519^**
BMI (kg/m²)	0.813^**	0.598^**	−0.222^**	0.627^**	0.673^**	0.662^**	1.000	0.840^**
TMI (kg/m³)	0.402^**	0.727^**	−0.090^**	0.500^**	0.514^**	0.519^**	0.840^**	1.000

BMI, body mass index; kg, kilogram; ΣSKF, sum of skinfolds; SSKF, subscapular skinfolds; TMI, tri-ponderal mass index; TSKF, triceps skinfold; WHpR, waist-to-hip ratio; WHtR, waist-to-height ratio.

^**

, Correlation is significant at the 0.01 level (two-tailed).