"the common reason for" is correct and usable in written English.
You can use it when you are trying to indicate a general cause or explanation. For example, "The common reason for traffic jams in this city is a lack of infrastructure."
Lack of awareness was the common reason for non - vaccination (50%); of them.
The common reason for not reaching a dose of 25 mg/week was adverse effects (Table 2).
With the development of biopsies and bronchoalveolar lavage fluid (BALF) collection technology in the late 1980s, it is now recognized that the common reason for airway obstruction in asthma is chronic airway inflammation [ 2].
The common reason for susceptibility to malignant ventricular tachyarrhythmias in short QT is likely the large dispersion of ventricular refractoriness caused by the inhomogeneous abbreviation of the action potential within the ventricle and within different layers of the ventricular wall (Gaita et al., 2003; Borggrefe et al., 2005).
Although only the design parameter pair epdalt = 0.4, epdnul = 0.6 was considered in the paper which applied their rules [ 17], both the DESR and the stopping rules of Zee et al stop the first 15 trials at stage I and reject Hnul after stage II in the remaining trials, with high EPD rates being the common reason for early stopping.
Trauma is one of the common reasons for death and hospitalization in Malaysia.
Obesity and overlying surgical emphysema are the common reasons for technically inadequate examination causing false-negative scans.
TB is one of the common reasons for visits to health facilities in Angola.
The common reasons for missing data were loss to follow-up and weight >300 lb.
The common reasons for this treatment ranged from 'delaying to undress the child' for vaccination to 'missing previous vaccination appointments'.
In accordance with literature, the common reasons for false positives were prevalent cancers or misclassification of cancer type [ 4].
