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

TABLE 1.

Anthropometric characteristics of South Africa children by sex and age categories.

Gender	Age	Sample size	Body mass (kg)		BMI (kg/m²)		TMI (kg/m³)		WHtR		WHpR		TSKF (mm)		SSKF (mm)		ΣSKF
Gender	Age	Sample size	M	s.d.	M	s.d.	M	s.d.	M	s.d.	M	s.d.	M	s.d.	M	s.d.	M	s.d.
Boys	9	113	27.5	5.42	15.9	1.95	12.2	1.41	0.41^*	0.03	0.81^*	0.04	9.24^*	3.54	5.50^*	3.05	14.7^*	6.38
	10	170	31.5	6.36	17.1	2.35	12.6	1.63	0.42^*	0.04	0.79^*	0.04	10.4^*	4.15	6.30^*	3.01	16.8^*	7.14
	11	172	34.9	8.17	17.5	3.13	12.5	2.11	0.41	0.04	0.79^*	0.04	10.9^*	4.38	6.91^*	3.73	17.8^*	7.90
	12	144	39.6^*	9.37	18.6^*	4.41	12.8^*	3.83	0.42	0.05	0.77^*	0.05	11.8^*	5.08	7.93^*	4.21	19.7^*	9.11
	13	84	46.1^*	9.65	20.0^*	3.84	13.3^*	3.08	0.43^*	0.05	0.77^*	0.05	13.4^*	5.50	9.47^*	4.31	22.9^*	9.59
Girls	9	95	27.4	4.79	16	1.75	12.3	1.29	0.42^*	0.03	0.85^*	0.04	7.54^*	3.46	4.50^*	3.48	12.1^*	6.74
	10	145	31.1	6.25	17.2	2.98	12.7	2.29	0.43^*	0.04	0.83^*	0.04	8.57^*	3.51	5.20^*	2.66	13.7^*	6.03
	11	171	33.1	10.3	17.3	4.72	12.5	3.30	0.42	0.04	0.83^*	0.04	8.12^*	3.25	4.90^*	2.58	13.0^*	5.64
	12	153	35.3^*	7.71	17.3^*	2.59	12.2^*	1.71	0.42	0.03	0.83^*	0.05	8.43^*	3.61	5.30^*	2.95	13.7^*	6.43
	13	114	40.3^*	7.32	18.0^*	2.21	12.1^*	1.49	0.42^*	0.03	0.82^*	0.05	9.76^*	4.70	6.02^*	3.17	15.8^*	7.67

kg, kilogram; BMI, body mass index; kg/m², kilogram per meter square; TMI, tri-ponderal index; kg/m³, kilogram per meter cubic; WHtR, waist-to-height ratio; WHpR, waist-to-hip ratio; TSKF, triceps skinfold; mm, millimetre; SSKF, subscapular skinfold; ΣSKF, sum of skinfolds; M, mean; s.d., standard deviation.

, Statistically significant (p ≤ 0.05).