The final rationale a state could offer for distinguishing based on age of onset
is that those who have a normal developmental period but later lose certain cognitive abilities do not suffer from the same functional deficits as those who never developed those skills in the first place.
Age of onset
and childhood onset classification: Retrospective age of onset
reports were obtained using the methodology described by Breslau et al.
The disability literature is lacking in detailed information regarding the role that age of onset
of disability may play in education and employment outcomes.
In fact, 30 day usage and age of onset
are asked in the YRBS.
These figures are expected to increase as the population ages since average age of onset
is about 60.
The infantile type, or early-onset tibia vara, has an age of onset
between 1 and 3 years and is usually bilateral and symmetric.
The primary age of onset
of eating disorders, for both males and females, falls between 12 and 26 years with a peak onset age of 14 to 18 years (American Psychiatric Association, 2000; Phelps & Bajorek, 1991).
The average age of onset
of this disease used to be 40.
1,2) The age of our patient (45 yr) was consistent with the overall average age of onset
of this disease (47 yr).
If you were doing a study of youth smoking, had missing data for age of onset
for a male smoker, and knew through a review of the literature that males had an earlier age of onset
than females, it would he more appropriate to use the age of onset
of other males in your study rather than the entire group.
After reviewing the survey responses, MU found that among respondents, the average age of onset
of pancreatic cancer for females was age 69; for males, it was age 65.
In recent years, anecdotal evidence and limited survey research has suggested that the age of onset
of sexual maturation has declined among girls in the Western world.
What was the age of onset
of that specific illness?
Studies conducted prior to the availability of effective cholesterol lowering drugs have indicated that without treatment, the mean age of onset
of coronary heart disease in men with this genetic disorder is around the age of 40, and 10 to 15 years later for women.
The age of onset
is primarily the late 20s to late 30s (Friedberg, 1996).