TABLE 1

Sociodemographic characteristics, personal and family history of 264 participants followed-up for 6 months or until first asthma attack recurrence, stratified by recurrence status at 6 months

	Total cohort	Second asthma attack within 6 months
	Total cohort	Yes	No	p-value
Subjects n	264	121	143
Sociodemographic characteristics
Age years	8 (6–11)	7 (5–10)	9 (7–11)	<0.001
Male	59	60	59	0.900
Ethnicity
Afro-Ecuadorian	54	52	55	0.963
Mestizo	43	45	42
White	2	2	1
Other	2	2	2
BMI kg·m⁻²	16.6 (15.1–19.4)	16.4 (15.0–19.2)	16.9 (15.1–19.7)	0.265
At least one sibling	90	89	91	0.547
Years of study by mother + years of study by father	24 (18–28)	24 (18–28)	24 (19–29)	0.304
Pets at home	43	45	42	0.708
Second-hand smoke exposure	18	17	21	0.474
Humid household	47	4	51	0.137
Urban setting	66	60	70	0.094
Intense traffic near house	30	30	30	1.000
Monthly household income USD	400 (255–700)	400 (260–700)	350 (250–700)	0.981
Personal and family history
Early-life respiratory illness	49	59	40	0.013
Allergic rhinitis ever	72	74	70	0.490
Allergic rhinitis diagnosis	21	20	21	0.878
Eczema ever	13	14	12	0.713
Eczema diagnosis	4	7	2	0.119
Paternal/maternal asthma	46	53	41	0.175
Paternal/maternal asthma/rhinitis/ eczema	68	70	66	0.788

Data are presented as median (interquartile range) or %, unless otherwise stated. Bold type represents statistically significant difference (p<0.05). BMI: body mass index.