The phrase "age substitute" is correct and usable in written English.
It can be used in contexts where one thing is being used in place of another to represent or reflect a certain age or stage of life.
Example: "In this study, we used a toy as an age substitute to assess children's cognitive development."
Alternatives: "age equivalent" or "age proxy".
In England, the Marvelman series was published during the interregnum between the Golden and Silver Ages, substituting for the British reprints of the Captain Marvel stories after Fawcett stopped publishing the character's adventures.
At nine different ages, substituting one copy of allele A by allele G at rs14491030 site would cause 0.444 to 0.618 SD/allele increase in egg weight, in which the SD represents the standard deviation of EW at corresponding age.
The mean age of substitute decision makers was 62.8±10.0 SD) years; seven were male.
The mean age of substitute decision makers was older in Japan (62.8 vs. 56.5 years), and the percentage of knowledge questions answered correctly after using the decision aid was lower in the present study than in the previous study (62.1% vs. 84.0%).
In her speeches and writings — including her autobiography, "Dust Tracks on a Road," which is liberally quoted by the film's narrator, S. Epatha Merkerson — Hurston shaved a decade from her age and substituted the all-black town of Eatonville, Fla., where she grew up, for her actual birthplace in Alabama.
To increase the number of maternal samples, DNA methylation results for blood collected at 28 weeks gestational age was substituted for the failed samples.
If age was substituted by the in vivo measured lens transmission of blue light in the correlation analysis, the pupil response change to blue light was only found significant for the early poststimulus AUC at high intensity stimulus conditions.
As White women have a higher prevalence of obesity than Blacks after age 74, substituting the Black obesity prevalence (vs. White) decreases cases and deaths among the oldest women.
In fact, calorie restriction, which deactivates mTOR and decelerates aging, partially substitutes for the loss of p53 in mice.
Considering these concerns, scientific organizations recommend the use of an age-appropriate milk substitute in children younger than 2 years of age and food counseling.
