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Table 1 Demographic information and sample characteristics

From: Measuring the impact of apnea and obesity on circadian activity patterns using functional linear modeling of actigraphy data

Variable N (%) Mean ± std
(N Total 395)
Female 196(49.87%)
Race African-American 134 (35.08%)
  Caucasian 237 (62.04%)
Presenting Symptoms Snoring 279 (70.63%)
  Gasping 93 (23.54%)
  Morning headache 67 (16.96%)
  RLS symptoms 26 (6.58%)
  PLMS 3 (0.76%)
  Witnessed apneas 146 (36.96%)
  Insomnia 42 (10.63%)
  Excessive day sleepiness 91 (23.04%)
  Nonrestorative sleep 9 (2.28%)
Mallampati score Class 4 145 (41.55%)
  Class 3 136 (38.97%)
  Class 2 53 (15.19%)
  Class 1 15 (4.30%)
Diagnosis Result OSA 292 (73.92%)
  RLS 5 (1.27%)
  Insomnia 8 (2.03%)
  Hypersomnia 20 (5.06%)
BMI > 30 241 (60.86%)
BMI   34.66 ± 8.88
(Median = 34)
Age(years)   47.9 ± 14.8
apnea 22.11 ± 28.11
(Median = 12.95)