Dimensionality of the index of psychophysiological stress.
D000367:Age Factors; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000175:diagnosis; D009329:Nebraska; D011569:Psychiatric Status Rating Scales; D011594:Psychometrics; D012737:Sex Factors; D013223:Statistics as Topic; D013315:Stress, Psychological