Objective: The use of face veil called niqab by women to cover their faces at public places is a common practice in some Muslim communities. The long-term effect of niqab use on ventilatory function (VF) has not previously been reported. The aim of this cross-sectional study was to compare VF between niqab wearing and non-niqab wearing healthy Saudi females. Methodology: Thirty eight healthy adult Saudi females participated in this study. Nineteen subjects were regular niqab users and the other nineteen were either not using niqab at all or used it for less than one hour per day. Forced vital capacity (FVC), forced expiratory volume in one second (FEV1), FEV1/FVC (%), and maximal voluntary ventilation (MVV) were recorded using a digital spirometer. Results: Mean values of FVC, FEV1, FEV1/FVC (%) and MVV for niqab wearers were significantly lower than the corresponding values for non-niqab wearers. Significant negative correlation was found between the FVC and FEV1 values and the number of hours of the use of face veil per day. Conclusions: Long-term use of traditional niqab use can affect VF.
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