The phrase "a usual source of" is correct and usable in written English.
It can be used to describe something that is commonly or typically a source of a particular outcome or effect.
Example: "The internet is a usual source of information for many students conducting research."
Alternatives: "a common source of" or "a typical source of".
Trial enrollees had a usual source of primary care, elevated body mass index (BMI) and type 2 diabetes.
Previous studies find that lack of health insurance and not having a usual source of care are major barriers to screening for breast and cervical cancer.
Other contributions came in small amounts from donors across the nation — not a usual source of money for upstate legislative candidates.
Because a usual source of care is associated with better health care outcomes, we argue that policymakers should consider ways to reduce mixed coverage among children and families.
In terms of outcomes, children living in sibships with mixed coverage have significantly lower odds of having a usual source of health care.
In addition, 10.9percentt of children in working poor families did not have a usual source of healthcare, such as a regular doctor or community clinic, compared with 3.9percentt of children in nonworking poor families.
The study found that these children were far more likely to be uninsured and less likely to have a usual source of health care than were children from nonworking poor and nonpoor families.
Many patients (62%) do not have a usual source of care, nor do they know where to go if the clinic is not open (61%).
BACKGROUND: Even though 86% of adult Latinos have a usual source of care, there is a paucity of literature on primary care-based interventions to promote cancer prevention and control in this population.
Two percent reported lacking a usual source of care because "no doctors take my insurance".
Those who have health insurance are more likely to have a usual source of health care than those without it and have better health outcomes.
