id	keyword
assc-2166	cellphone
assc-2166	dependence
assc-2166	cellphone dependence
assc-2166	self
assc-2166	use
assc-2166	stress
assc-2166	hakoyama
assc-2166	esteem
assc-2166	texting
assc-2166	depression
assc-2166	women
assc-2166	time