In the 1950s, men were the first generation to go to the gym.
In 1970, women did too, according to Dr. Nancy Dillingham, an associate professor of sociology at the University of Michigan.
Nowadays, women aren’t as keen on wearing skirts.
And men are still more likely to wear suits and ties than they were even a few decades ago.
That’s according to a new study that analyzed the fashion of American men and women from the 1950 to the present.
“We’re seeing men and boys wearing their suits and tie at a much higher rate than women,” Dillinggham said.
“They’re just less inclined to wear it, which suggests that men and masculinity are on the decline.”
The study, released Tuesday in the journal Sociology, looked at the fashion trends of men and their peers from across the United States from 1967 to 2009.
It found that the percentage of men who wear suits or ties has declined from 46% to 35% since the 1960s.
It also found that men have more confidence in wearing suit and tie than women, with almost three-quarters of men saying they are comfortable wearing them.
In addition, more than one-quarter of men say they prefer men who are dressed casually.
“What we’ve seen is that men are less likely to feel comfortable in their own skin, and this is true for both sexes,” said David Cottrell, a sociologist at the State University of New York at Stony Brook who wasn’t involved in the study.
“It’s not just the women who are wearing suits and tuxes, it’s the men as well.
That is, they feel less comfortable wearing what they like to wear, and the suits are seen as a way of covering up what they do like to do.”
Men were more likely than women to say they don’t care about the fashion industry’s message of the value of men.
They’re also less likely than their female peers to feel confident about their looks.
“The men we’re talking about don’t necessarily have a good relationship with fashion,” Cottrel said.
They just like to be liked.
“There’s something very comforting about seeing a man dressed in a suit and a tie.”
This is also true of the more masculine men who want to dress up.
“I feel very comfortable in a black suit, a white shirt, a black tie,” said a 34-year-old man who asked that his last name not be used because he’s not authorized to speak about his personal life.
“This is an opportunity for me to show off my strength and my masculinity.”
In addition to being more comfortable in themselves, these men are also more likely for their partners to see them as more confident in their masculinity.
“Men tend to feel like they have the luxury of being themselves, and a man who is able to express that confidence and be self-confident is a man that a woman would be attracted to,” said Dr. Jennifer McKean, a social scientist at the College of William and Mary.
“And they’re also more comfortable with a man wearing a suit than a woman, because it feels more masculine.”
In fact, a recent study found that a man in a red suit is more likely, on average, to be seen as more masculine than a man of the same height and weight.
A man of a similar height and body type who wears a suit is seen as less masculine.
Men are also less confident about expressing their own sexuality.
In a 2014 study, Dr. Jeffrey M. Rachleff, an assistant professor of social work at University of California, San Diego, and his colleagues found that women who reported having sex with men who have a high body mass index were more than twice as likely to have a negative view of their own bodies.
And women who said they were attracted to men who were more physically attractive were more attracted to women of similar attractiveness, regardless of whether they had sex with them.
That could explain why some men feel uncomfortable wearing dresses, especially in hot weather.
“People don’t like it when you’re wearing a sweater, but we have to have clothing that doesn’t expose too much,” said one man who did not want to give his last names.
“A lot of the guys I work with don’t wear dresses.
It doesn’t feel right.
They feel like the women wear skirts.”
This survey was conducted online in March 2017 among 1,063 adults in the U.S. and Canada who were 18 or older.
It has a margin of sampling error of plus or minus 3.9 percentage points.
This story has been updated to reflect new data.