Before you trade in your faithful skinnies for a pair of this season's on-trend flares¹, you might want to think about what your choice of denim² really means.

在你正准备放弃你最爱的紧身裤拿去折价购买新款喇叭裤前，不妨想想，你对牛仔裤款式的选择其实有更深层次的意味。

According to a new survey by Qualtrics, the fit of our jeans affects confidence, mood and - bizarrely - our recycling habits.

Qualtrics最近进行了一次关于牛仔裤的调查，结果发现，牛仔裤的贴身程度会影响我们的信心，情绪，甚至环保习惯。

The research found that women who wear figure-hugging styles are nine per cent more likely to report high levels of happiness than someone who wears boyfriend or boot cut looks.

调查显示，相比那些穿宽松男友风或靴型牛仔裤的女士，穿贴身牛仔裤的女士感到十分快乐的几率要高9%。

The study also discovered that women who describe themselves as 'extremely or very confident' are 12 per cent more likely to be slim jeans devotees.

同时，喜欢穿紧身牛仔裤的女士认为自己“非常或十分自信”的几率比其他人高12%。

Skinny jeans became the go-to trouser in the early Noughties after being spotted³ on the likes of supermodel Kate Moss⁴ and reality star Kim Kardashian.

在本世纪的头几年，紧身牛仔裤受到超模凯特•摩斯（Kate Moss）和娱乐界名媛金•卡戴珊（Kim Kardashian）等人的青睐，因而受到众人热捧。

Speaking about the drainpipe trouser's widespread appeal The Fashion Police commented: 'You don't need to be skinny to wear skinny jeans: the word 'skinny' refers to the cut of the leg, not the shape of the wearer.

时尚警察（The Fashion Police）节目对瘦腿紧身裤裤的流行发表了以下评论：“并不是只有瘦人才可以穿紧身裤，‘紧身'指的不是穿者的身材，而是收紧裤腿。”

'Pay close attention to fit: these jeans are much less forgiving than other cuts of denim, which means you really can't afford to size down in them.

“要格外注意是否合身：紧身牛仔裤不像其他款式的牛仔裤那么好穿，尺寸小了真的不行。”

'Dark washes will look dressier than lighter⁵ ones, and will also be more slimming.'

“深色款比浅色款更百搭，而且会更显瘦。”

Weirdly⁶, Qualtrics also discovered a host of unusual facts about those who favour skinnies.

而且Qualtrics发现，喜欢穿紧身裤的女士们还有一些奇怪的共同点。

Wearers of tight jeans are more likely to sit in the aisle⁷ than by the window on aeroplanes and they are more likely to favour PC devices over Apple electronics.

她们坐飞机时不喜欢坐靠窗位置，更喜欢坐靠近过道的位置；她们更喜欢PC设备，而不是苹果的电子产品。

Sydney-born Berkshire-based entrepreneur Donna Ida Thornton runs innovative⁸ Denim Clinics, which provide a comprehensive masterclass in helping⁹ women find their perfect jeans match.

在悉尼出生，在伯克郡工作的企业家唐娜•艾达•桑顿（Donna Ida Thornton）专门开办了一家“牛仔诊所”——为女士们提供专家级的牛仔裤挑选指南。

If you have long legs she recommends wearing a 'low to mid rise'.

她建议腿长的女士可以选择低腰或中腰的牛仔裤。

She said: 'This cut keeps the waist at the right height, whereas petite girls look great in a high rise that accentuates¹⁰ the waist and elongates¹² the legs.'

她说：“这种款式可以保证裤腰的位置刚刚好。身材娇小的女士应该选择高腰裤，这样可以凸显腰部，并使腿显得更长。”

Donna advised: 'Pear shapes should look for skinny jeans with a high waist to elongate¹¹ the leg and apple shapes should look for plenty of stretch in a straight leg in a dark wash.'

她还建议：“梨形身材的女士应选择高腰紧身裤，来拉长腿的视觉效果。而苹果型身材的女士应选择深色有弹性的直筒裤。”

'Boyish shapes can wear most styles.'

“男式体型的女士，大多牛仔裤型就可以穿。”

The Qualtrics research found that people who wear super-tight trousers are less likely to be eco-warriors - recyclers are seven per cent less likely to wear skinny jeans.

Qualtrics的调查还发现，穿超级紧身裤的人不太可能是环保主义者——环保人士爱穿紧身裤的几率比其他人低7%。