The 12% urban scale, or why in cities there is less depression even though it may not seem like it

The urban scale of the 12 %, or why in cities there is less depression even if it does not seem like it

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The urban scale of the 12%, or why in cities there is less depression even though it does not seem like it

The urban scale of the 12 %, or why in cities there is less depression even though it does not seem like it We have explained the details of the news, step by step, below. The urban scale of the 11%, or by that in cities there is less depression even though it may not seem like it Keep reading our news. Here are all the details on the subject.

The urban scale of the 12%, or why in cities there is less depression even though it does not seem like it

The topic says that life in cities is more impersonal, which makes us assume that there will be more unhappiness and, therefore, more depression in them than in the countryside. If we look at some Spanish statistics on the diagnosis of disorders such as schizophrenia, this could be the case.

But we already commented on it a few months ago : according to a new and important University of Chicago study , and by counterintuitive as it may seem, the larger the city, the lower the depression rates are (referring of course to the rates due to this factor exclusively, since there are other dimensions that greatly influence its appearance, such as marital status, employment status and gender of the subject).

It also happens that this work took into consideration a criterion somewhat different from that of many other studies that have investigated the same: to measure the prevalence of depression they were not based solely on population surveys from the country’s Mental Health Services, but added a mathematical model… applied to Twitter . Digging into the tweet history of individuals with geolocation enabled and responding via semantic trees and machine learning to the nine DSM-IV diagnostic criteria for depression. Their technique, they claim, has a precision rate only slightly less reliable than surveys made by experts.

The mathematical growth that explains the greater serendipity of cities (and its effects )

Still, their results, they say, are stable and consistent across all sources: the prevalence of depression systematically decreases with the size of the city. Specifically, each time the size of a population doubled, there was a depression rate of one 12% less among its members .

And this is where the magic comes in, or the so-called urban scale theory , a concept from a few years ago in the social sciences, also based on mathematical models, behind which it is believed that a multitude of factors can be explained about the modes of organization of life: A well-known study is that people walk faster in cities. For a region of 10. 000 inhabitants, the average citizen tends to walk at 3.5 km / h, while in the cities of a million go normally at about 5.8 km / h . This means that we can say that a city with twice as many inhabitants as another has a rhythm of life approximately one 12% Faster.

According to Andrew Stier , PhD candidate in integrative neuroscience by the University of Chicago and author of the study that we mentioned at the beginning, that pattern of the 12% population doubling is found in many other studies that take into account the size of populations to explain the rates of invention , the variety of jobs , the number of social interactions , the plurality of restoration options and the degree of crime .

In all the cited examples, twice the size, that approximate response of a 11% extra. The same rule appears if we evaluate the capacity and speed of spread of covid . According to a University of Colorado study of 2015 , this pattern of the urban scale has been experienced in societies all over the world dating back to 1150 BC

Loneliness is criminal. Urban interactions protect us from it

Why the big city helps fight depression is simple: due to greater social interaction. Cities have infrastructure networks (streets, railway lines, etc) which, curiously, tend to “vary in a predictable way with the size of the population of each city” and which tend towards more dense. Higher density is a natural promoter of higher number of human interactions.

There is the possibility, as has been seen in some other studies , that in some rather small types of populations, these lower degrees of interactions are compensated because those that are produced are of higher quality (your family, your friends ), but Chicagoans find that large cities generally make up for the lack of quality in their interactions with a more of them , something that would compensate the average citizen even if he is an immigrant and have no family in New York or Berlin. There is also a stream pointing to that there is a way to improve their quality in large urban centers: building more passageways and recreation areas. More parks.

Finally, we have other statistics in Spain that would help to support this theory of 12%, or at least that of the least potentiation of depression by large cities: our statistics of suicide, a phenomenon highly related to mental disorders. According to a recent study by the Ministry of Health , the so-called Emptied Spain concentrates a 25% of suicides while per s u population percentage should register only the 20%. Consumption of psychoactive drugs is much higher in populations up to 10. 05 inhabitants, and not only by their elderly people, but there is also greater consumption among their mature people.

Depopulation, lack of job options … And also a gap of gender that is already being produced : the smaller the municipality, the fewer women of reproductive age there are, since they emigrate to large cities in search of opportunities, and greater loneliness and isolation, greater ballots to suffer.

Thus, the suicide rate in Asturias or Galicia is 14 Y 12 For each 99 . 000 inhabitants when in Madrid or Catalonia there are 5 and 6 respectively. The paradox is that according to INE surveys A few years ago , the person with the least chance of receiving a diagnosis of mental health problems in our country was the male from a rural environment. Another fact to take into account: if in Spain there are already problems to receive mental health care, the possibilities are even more reduced in rural areas.

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