Goitre Prevalence and Urinary Iodine Concentration in School-Aged Children in the Ashanti Region of Ghana

Table 2

Multiple linear regression of age, height, weight, BMI, and BSA with thyroid volume and UIC.

Variable		Female children		Male children
		TH VOL	UIC	TH VOL	UIC
Model	R	0.634	0.107	0.672	0.356
	R^2	0.402	0.011	0.452	0.126
Constant	B (SE)	−1.516 (3.943)	447.870 (545.919)	−7.201 (4.179)	−237.532 (731.547)
	value	0.701	0.412	0.086	0.746
Age	B (SE)	0.198 (0.042)	−3.890	0.144 (0.029)	−18.599 (5.132)
	β	0.268	−0.049	0.235	−0.219
	value	<0.001	0.507	<0.001	<0.001
Height	B (SE)	0.049 (0.077)	0.576 (10.634)	0.056 (0.049)	7.818 (8.640)
	β	0.487	0.054	0.598	0.602
	value	0.528	0.957	0.257	0.366
Weight	B (SE)	0.0252 (0.274)	7.352	−0.037 (0.130)	13.677 (22.911)
	β	1.264	0.343	−0.239	0.633
	value	0.357	0.846	0.774	0.547
BMI	B (SE)	−0.011 (0.123)	−8.476	0.155 (0.131)	−3.388 (22.911)
	β	−0.018	−0.132	0.335	-0.053
	value	0.931	0.620	0.236	0.883
BSA	B (SE)	−10.220 (16.198)	−329.442 (2242.683)	0.130 (7.504)	−693.243 (1313.506)
	β	−1.245	−0.373	0.019	−0.747
	value	0.528	0.883	0.986	0.598

BMI: body mass index; BSA: body surface area; TH VOL: thyroid volume; UIC: urinary iodine concentrations. Bold values denote statistically significant prediction.