Table I.

Baseline characteristics by gender

	Female	Male	Difference (95% CI of the difference)	p value
	(n = 49)	(n = 41)
Age, years
Mean (standard deviation)	43.0 (7.5)	44.2 (7.2)	−1.15 (−4.2; 1.9)	0.46
Education level (n, %)				0.13*
None/Primary	23 (46.9)	12 (30.0)
Secondary or more	26 (53.1)	28 (70.0)
Age at migration, years
Median (25–75% IQR)	14.5 (8–20)	15 (11–20)		0.42**
History of Chest pain (n, %)†	29 (59.2)	17 (41.5)	0.18 (−0.03; 0.39)	0.096

Continuous variables are presented at means (±standard deviation) and non-normally distributed variables are presented as medians [interquartile ranges (IQR)]. Student´s t-test was used for the analysis unless where stated otherwise.

^*Chi-squared test was used.

^**Mann-Whitney test was used.

^†History of chest pain was self-reported.