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Table 2 Perceived insufficient sleep among U.S. adults, aged ≥18 years, by selected characteristics: BRFSS, 2008.

From: Relationship between body mass index and perceived insufficient sleep among U.S. adults: an analysis of 2008 BRFSS data

   Number of Days (in Past 30 Days) ≥14 Days of Insufficient Sleep in Past 30 Days
  n1 Mean2 (95% CI) %2 (95% CI) OR2 (95% CI)
Total 384,541 8.6 (8.5-8.6) 27.9 (27.6-28.2)   
Sex        
   Men 150,407 8.0 (7.9-8.1) 25.9 (25.4-26.3) Referent
   Women 234,134 9.1 (9.0-9.2) 29.9 (29.5-30.4) 1.3 (1.2-1.3)
Race/Ethnicity        
   White, non-Hispanic 305,289 8.9 (8.9-9.0) 29.2 (28.8-29.5) Referent
   Black, non-Hispanic 29,745 8.5 (8.3-8.8) 27.3 (26.3-28.4) 0.9 (0.9-1.0)
   Hispanic 25,255 6.9 (6.6-7.1) 22.3 (21.3-23.3) 0.7 (0.6-0.7)
   Other/multiracial3 21,051 8.4 (8.1-8.7) 28.2 (26.9-29.5) 0.9 (0.9-1.0)
Age        
   18-24 12,794 10.2 (9.9-10.5) 33.9 (32.5-35.4) 3.1 (2.8-3.3)
   25-34 35,636 10.5 (10.3-10.7) 35.1 (34.2-36.0) 3.2 (3.1-3.4)
   35-44 57,994 9.7 (9.6-9.9) 32.1 (31.4-32.8) 2.8 (2.7-2.9)
   45-54 79,775 8.7 (8.6-8.8) 27.9 (27.3-28.4) 2.3 (2.2-2.4)
   55-64 82,897 7.2 (7.1-7.3) 23.0 (22.5-23.6) 1.7 (1.6-1.8)
   65+ 115,445 5.0 (4.9-5.1) 15.4 (15.0-15.8) Referent
Education Level        
   <High school diploma 36,522 8.3 (8.1-8.6) 27.3 (26.2-28.4) 1.0 (0.9-1.1)
   High school diploma or GED 115,468 8.4 (8.2-8.5) 27.2 (26.7-27.8) 1.0 (0.9-1.0)
   Some college 102,219 8.8 (8.7-9.0) 29.1 (28.6-29.7) 1.1 (1.0-1.1)
   College graduate 129,838 8.6 (8.5-8.7) 27.5 (27.0-28.1) Referent
Smoker        
   Current 65,956 9.9 (9.7-10.0) 32.7 (31.9-33.4) 1.4 (1.4-1.5)
   Former 114,800 8.6 (8.5-8.7) 28.3 (27.7-28.9) 1.1 (1.1-1.2)
   Never 202,463 8.1 (8.0-8.2) 26.0 (25.6-26.4) Referent
Physical Activity in Past Month        
   No 104,238 9.6 (9.5-9.8) 32.2 (31.6-32.8) 1.4 (1.3-1.4)
   Yes 279,924 8.2 (8.1-8.3) 26.4 (26.1-26.8) Referent
Frequent Mental Distress 4        
   No 340,634 7.8 (7.7-7.8) 24.5 (24.2-24.8) Referent
   Yes 39,088 15.6 (15.4-15.8) 55.9 (54.8-56.9) 4.2 (4.0-4.4)
BMI Category 5        
   Underweight 6,253 8.6 (8.0-9.2) 27.6 (25.2-30.0) 1.1 (1.0-1.3)
   Normal weight 131,009 7.9 (7.8-8.0) 25.2 (24.7-25.7) Referent
   Overweight 141,082 8.5 (8.4-8.6) 27.6 (27.1-28.1) 1.1 (1.1-1.2)
   Obese class I 67,084 9.3 (9.1-9.5) 30.8 (30.1-31.6) 1.4 (1.3-1.4)
   Obese class II 24,609 9.7 (9.4-10.0) 32.3 (31.1-33.5) 1.5 (1.4-1.6)
   Obese class III 14,504 10.5 (10.2-10.9) 34.9 (33.3-36.5) 1.7 (1.5-1.8)
  1. 1 Unweighted n's.
  2. 2 Weighted means, proportions, and odds ratios adjusted for all other variables in the table.
  3. 3 Asian, Native Hawaiian or Other Pacific Islander, American Indian/Alaska Native, or multiracial.
  4. 4 Frequent mental distress: Mental health, including stress, depression, and problems with emotions, was not good for ≥14 days in past 30 days.
  5. 5 Underweight (BMI < 18.5), normal weight (18.5 ≤ BMI < 25), overweight (25 ≤ BMI < 30), obese class I (30 ≤ BMI < 35), obese class II (35 ≤ BMI < 40), obese class III (BMI ≥ 40).