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Table 2 The prevalence of frequent insufficient sleep by selected characteristics, BRFSS, 2009

From: Association between perceived insufficient sleep, frequent mental distress, obesity and chronic diseases among US adults, 2009 behavioral risk factor surveillance system

Characteristic n1 Frequent insufficient sleep (≥14 days/the past 30 days), % (95% CI)2
Total 375,653 27.4 (27.1-27.7)
Age, years
  18-24 11,038 29.3 (27.9-30.8)
  25-34 31,443 35.6 (34.7-36.6)
  35-44 52,819 32.6 (31.8-33.3)
  45-64 161,886 26.1 (25.7-26.5)
  ≥65 118,467 14.1 (13.7-14.4)
Sex
  Men 147,785 24.9 (24.4-25.4)
  Women 227,868 29.9 (29.5-30.3)
Race/ethnicity
  Non-Hispanic White 305,878 27.3 (26.9-27.6)
  Non-Hispanic Black 28,539 29.4 (28.3-30.5)
  Hispanic 21,094 26.5 (25.3-27.7)
  Non-Hispanic others 20,142 27.3 (25.9-28.6)
Education attainment
  Less than a high school graduate 32,053 29.0 (27.8-30.1)
  High school graduate or GED 111,589 27.9 (27.3-28.5)
  Some college 102,119 29.7 (29.1-30.4)
  College graduate 129,892 24.7 (24.3-25.2)
Frequent mental distress (FMD, ≥14 days/30 days)
  Yes 38,957 61.8 (60.7-62.8)
  No 336,696 23.3 (23.0-23.6)
Obesity (BMI ≥30 kg/m 2 )
  Yes 106,660 32.0 (31.4-32.6)
  No 268,993 25.6 (25.2-25.9)
  1. 1Unweighted sample size.
  2. 2Percentages and 95% CI were calculated using sampling weights.