Respiratory Disorders Related to e-Waste Exposure among Workers in the Informal Sector in a Sub-Saharan African City: An Exposed Nonexposed Study

Table 1

Definition criterion of lung function disorders adapted from ATS/ERS consensus.

Abnormalities	Definitions
Obstructive ventilatory disorder (OVD)	with
Suggestive restrictive ventilatory disorder (RVD)	with
Suggestive mixed ventilatory disorder (MVD)	with
Significant reversibility	FEV1 and/or FVC increase by at least 200 ml and at least 12% from baseline after bronchodilation
Normal spirometry	and

FEV1: forced expiratory volume in one second; FCV: forced vital capacity; LIN: lower limit of the normal.