Table 1.

Demographic characteristics and prevalence of select respiratory outcomes among 303 children from the ISA Population at children’s age 5, Matina County, Costa Rica 2015–2016

	N	%
Child’s characteristics
Child’s sex
Female	147	49
Male	156	51
Child current nutritional status
Underweight or below	3	1
Normal	228	75
Overweight	46	15
Obese	23	8
Missing	3	1
Low birth weight (<2500 grams)
Yes	9	3
No	289	95
Missing	5	2
Breast feeding duration
Less than 6 months	76	25
6 months or more	227	75
Current cotinine detected in urine (>1 μg/L)
Yes	55	18
No	238	79
Missing	10	3
Mother’s characteristics
Parity ≥1	195	64
Maternal smoking during pregnancy	15	5
Cotinine detected in urine during pregnancy (>1 μg/L)	45	15
Maternal smoking history
Never	278	92
Past	15	5
Current	10	3
Current cotinine detected in urine (maternal)	45	15
Maternal history of asthma	70	23
Current work in agriculture
Yes	49*	14
No	250	83
Missing	10	3
Partner currently works in agriculture
Yes	154	51
No	139	46
Missing	10	3
Household characteristics
Current smoking inside house	32	11
Income per capita at enrolment
Above poverty line	102	34
Poverty	112	37
Extreme poverty	88	29
Missing	1	0
Food security‡
Low	194	64
Marginal	69	23
High	30	10
Missing	10	3
Daily exposure to smoke of waste burning	50	17
Vector control by ministry of health during last 12 months	169	56
Pesticide use inside home during last 12 months	152	50
Residential distance to banana plantation (metres)
<50	56	19
50–500	170	56
≥500	77	25

^*46 out of 49 mothers currently worked on banana plantations.

^†138 out of 154 partners currently worked on banana plantations.

^‡Defined using the U.S. Department of Agriculture Food Security Scale.

ISA, Infants’ Environmental Health Study.