Table 5

Measurements performed in the child and pregnancy panel studies

Measurement	No. of subjects in child panel study*	No. of subjects in pregnancy panel study*	Description	Measurement point/period
Geolocation and mobility	146	126	Smartphone GPS with ExpoApp application installed	7 days in each study period
Physical activity	145	148	Smartphone and Actigraph accelerometer	7 days in each study period
NO₂	154	158	Passive samplers for NO₂ installed in the home	7 days in each study period
BTEX	154	158	Passive samplers for BTEX installed in the home	7 days in each study period
PM_2.5	92	90	Active PM_2.5 Cyclone pumps (BGI-400–4), carried by participants in backpack and installed in the home	Last 24 hours of each of the two study periods
Black carbon	89	66	MicroAthelometer (AE51) for continuous monitoring	Last 24 hours of each of the two study periods
UV	69	141	Electronic wrist band UV dosimeters47	7 days in each study period
Phthalates, phenols, organophosphate pesticides	152	–	Pool of bedtime and first morning urine	4 separate days in one study period
Phthalates, phenols, organophosphate pesticides, cotinine	152	154	Pool of daily urine samples (2 or 3 per day) during 1 week	One pool in each of the two study periods
Phthalates	–	44	All morning and bed time urines during 1 week	7 days in one study period
¹H NMR metabolomics	22	–	All morning and bed time urines during 1 week	7 days in one study period
Lung function	62	–	Spirometry	Last day of period 1 and 2
Blood pressure	157	154	OMRON 705-CPII automated oscillometric device	Last day of period 1 and 2
Height and weight	157	145		Last day of period 1 and 2

*With data in both periods.
BTEX, benzene, toluene, ethylene and meta-xylene, para-xylene and ortho-xylene; ¹H NMR, proton nuclear magnetic resonance; NO₂, nitrogen dioxide; PM _2.5, mass concentration of particles <2.5 µm in aerodynamical diameter; UV, ultraviolet.