Table 1.
Comparison of demographic characteristics between normal sleepers and groups with insomnia
| Variables | Normal (n=17) | Paradoxical Insomnia (n=19) | Psychophysiological Insomnia (n=17) | P | |
|---|---|---|---|---|---|
| Age†, y | 40.76±10.1a | 43.26±6.45a | 38.47±16.36a | 0.466c | |
| Sex | Female | 4(23%) | 13(68.4%) | 8(25.0%) | 0.027b |
| Male | 13(76.5%) | 6(31.6%) | 9(52.90%) | ||
| BMI†, kg/m2 | 26.57±3.82a | 26.55±3.8a | 26.97±6.54a | 0.961c | |
†:
Mean±SD. Data compared by
c
ANOVA and
b
Chi-Square test. Means with the same superscript letters within a row are not significantly different (P>0.05). Abbreviations: Paradoxical Insomnia (Para-Insomnia); Psychophysiological Insomnia (Psych-insomnia).