Table 1. General characteristics of the Ghanaian study sample (age≥50 years).

Individuals n	610
Households n	422
Age median (iqr) years	66	(56–74)
Male sex n (%)	169	(27.5)
Total fertility rate median (iqr) children per woman	7	(6–9)
Household property value median (iqr) US$	1,050	(500–1,936)
Individuals infected %
by malaria species	0077.5%
by helminths	0021.4%
by protozoa	0100.0%

A description of the general characteristics is given for the study sample aged 50 years and older that participated in the electrocardiographic investigations. Total fertility rate is expressed as the number of born children per woman aged 45 years or more. Iqr – interquartile range.