"variations in age" is a grammatically correct and commonly used phrase in written English.
It is typically used to describe the differences or range in ages among a group of people or things. Example: The study found significant variations in age among the participants, ranging from 18 to 65 years old.
Mother and son have reënacted it every five years since 2000, and the four versions, which reveal subtle and not so subtle variations in age, stoicism, and saliva formation, were featured in his show at the Palais de Tokyo.
There are no great variations in age and gender, but some differences in other risk factors.
If we had decided to buy one, the price would have been adjusted for variations in age and mileage from the model used in the price quot.
The plausibility of different age mixing models is tested by comparing observed temporal variations in age with those simulated using simple numerical models, and by examining plots comparing the concentrations of different age tracers.
Variations in age structure of sea mullet observed in this study also suggest the scales at which biological processes, such as larval dispersal, growth and migration, operate for this species and so will also assist in the design of future sampling to examine these processes in more detail.
Recently, I have been struck by the huge variations in age distributions of many public polls -- especially at the state level.
To study associations between severity stages of early and late age-related macular degeneration (AMD) and genetic variations in age-related maculopathy susceptibility 2 (andS2) and complement factor H (CFH) and to investigate potential interactions between smoking and ARMS2.
Alternatively, it could result from phenotypic variations in age-related thymic involution.
Notable geographical variations in age-specific HPV curves have recently been described (Franceschi et al, 2006).
The mean variations in age-standardized incidence rates were estimated using a Poisson regression adjusted for age for each gender and location.
This HDSS is also characterised by some long-standing variations in age-sex profiles between adjacent villages, possibly due to varying patterns of migration, retirement and other factors.
