Table 2

Characteristics of those reporting frequent nocturnal sweating (≥3× week) versus those reporting less frequent sweating (≤2× week) in the general population and OSA cohorts

 General population cohortOSA cohort
Frequent sweating (n=78)Seldom sweating (n=625)p ValueFrequent sweating (n=256)Seldom sweating (n=566)p Value
Age (years)55.5±9.956.5±11.20.4452.8±10.955.2±10.40.003
BMI (kg/m2)28.9±4.827.9±4.80.0934.0±4.933.3±6.00.08
Diabetes (%)
Physical quality of life (SF-12)48.1±9.151.4±7.50.000437.6±10.441.5±10.8<0.0001
Mental quality of life (SF-12)49.9±5.551.6±4.60.00345.9±11.849.4±10.3<0.0001
Snoring ≥3 days/week (%)
Difficulties initiating sleep ≥3× week (%)37.311.1<0.000121.113.10.003
Difficulties maintaining sleep ≥3× week (%)52.029.0<0.000168.453.7<0.0001
Epworth sleepiness scale6.6±4.36.0±3.90.1612.5±5.011.3±5.10.002
Feeling sleepy or drowsy 6–7× week (%)<0.0001
Restless legs syndrome symptoms (%)
Nocturnal GER symptoms ≥1× week9.05.50.2221.910.5<0.0001
Daytime GER symptoms ≥1× week5.84.30.5834.521.3<0.0001
  • Significant findings (p<0.05) are shown in italics.

  • BMI, body mass index; GER, gastroesophageal reflux; OSA, obstructive sleep apnoea. Diabetes was defined as a doctor diagnosis and treatment with medication.