Table I.

Participant Demographics by Transfusion Status

	Overall	Regularly transfused	Intermittently transfused	Not transfused in the past year
	n = 252	n = 201 (80%)	n = 14 (6%)	n = 37 (15%)
Age (years)
Mean ± Standard deviation	28.8 ± 11.8	28.2 ± 10.4	35.8 ± 14.4	29.5 ± 16.2
Median (min - max)	27 (12 – 71)	27 (12 – 57)	38.5 (12 – 55)	25 (12 – 71)
Gender
Male	115 (46%)	84 (42%)	8 (57%)	23 (62%)
Female	137 (54%)	117 (58%)	6 (43%)	14 (38%)
Diagnosis
β-Thalassaemia	204 (81%)	182 (91%)	8 (57%)	14 (38%)
E-β-Thalassaemia	28 (11%)	16 (8%)	4 (29%)	8 (22%)
Haemoglobin H disorders	16 (6%)	0 (0%)	2 (14%)	14 (38%)
Other	4 (2%)	3 (1%)	0 (0%)	1 (3%)
Marital status
Married/Relationship	79 (31%)	60 (30%)	6 (43%)	13 (35%)
Single/Separated/Divorced	173 (69%)	141 (70%)	8 (57%)	24 (65%)

Note: Percentages may not add up to 100 due to rounding.