The phrase "a higher proportion that" is not correct in standard written English.
It seems to be a fragment and lacks clarity without additional context.
Example: "A higher proportion that of the participants preferred option A over option B."
Alternatives: "a greater share of" or "a larger percentage of".
And more than 61percentt of immigrants over the age of 16 were employed in 2013, a higher proportion than that of native-born Americans.
On average, around 38percentt of all claims for asylum are granted at the initial decision stage; but there's a high proportion that are rejected and successfully appealed because the wrong decision has been made.
Despite maternal vitamin D deficiency in the UAE, infants in both sexes had a mean vitamin D status in the sufficient range, unlike older children, who had a high proportion that was vitamin D deficient.
That is a higher proportion than in either France (18.2%) or America (16.8%).
These were most likely to be schools with lots of pupils on free school meals and a high proportion that speak English as an additional language.
He said that 235 of the 353 SARS patients who were in Beijing hospitals on Friday were in military facilities, a high proportion that no one has explained but could indicate that patients were placed there to avoid their inclusion in civilian disease reports.
A higher proportion of those that made 4 health facility visits renewed their membership than those that made 2 health facility visits.
The objective here is to determine which models have a higher proportion of descriptors that contribute non-redundant information for the prediction (modeling) of the property.
We found a higher proportion of species that showed some degree of association with snags in burned forests of the Rocky Mountains than in the Mediterranean Basin.
