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Table 1 Univariate associations between ESS score > 10 and independent variables of interesta

From: Determinants of excessive daytime sleepiness in two First Nation communities

Variables ESS Score, n (%) Univariate OR (95% CI)
Normal (n = 738) Abnormal (n = 91)
Demographics    
 Sex    
  Female (reference) 369 (87.6) 52 (12.4) 1.00
  Male 369 (90.4) 39 (9.6) 0.76 (0.48–1.20)
 Age, in years    
  17–25 (reference) 266 (92.7) 21 (7.3) 1.00
  26–35 180 (88.2) 24 (11.8) 1.71 (0.90–3.26)
  36–45 119 (89.5) 14 (10.5) 1.45 (0.69–3.03)
  46–55 113 (91.1) 11 (8.9) 1.30 (0.58–2.90)
   > 55 60 (74.1) 21 (25.9) 4.46 (2.34–8.52)
 Educational level    
  Completed postsecondary education (reference) 103 (88.8) 13 (11.2) 1.00
  Completed university 89 (88.1) 12 (11.9) 1.02 (0.41–2.53)
  Completed high school 191 (92.7) 15 (7.3) 0.61 (0.26–1.43)
  Less than high school 354 (87.6) 50 (12.4) 1.12 (0.56–2.25)
 Marital status    
  Widowed/divorced/separated/single (reference) 430 (88.5) 56 (11.5) 1.00
  Married/common in law 288 (89.4) 34 (10.6) 0.88 (0.56–1.38)
 Body mass index, kg/m2    
  Normal (<25) (reference) 251 (90.0) 28 (10.0) 1.00
  Overweight (25–29.9) 213 (88.4) 28 (11.6) 1.14 (0.64–2.05)
  Obese (≥30) 258 (88.4) 34 (11.6) 1.15 (0.68–1.95)
 Smoke status    
  Non-smoker (reference) 68 (86.1) 11 (13.9) 1.00
  Ex-smoker 85 (84.2) 16 (15.8) 1.27 (0.51–3.16)
  Current smoker 585 (90.1) 64 (9.9) 0.72 (0.36–1.42)
 In past 12 months, had ≥5 drinks on one occasion    
  No (reference) 156 (88.1) 21 (11.9) 1.00
  Yes 579 (89.6) 67 (10.4) 0.84 (0.50–1.41)
 Employment status    
  Yes (reference) 388 (89.2) 47 (10.8) 1.00
  No 346 (88.7) 44 (11.3) 1.05 (0.67–1.64)
Doctor ever diagnosed:    
 Sinus trouble    
  No (reference) 470 (91.8) 42 (8.2) 1.00
  Yes 189 (83.3) 38 (16.7) 2.24 (1.42–3.54)
 Heart problem    
  No (reference) 674 (90.2) 73 (9.8) 1.00
  Yes 62 (78.5) 17 (21.5) 2.55 (1.47–4.41)
 Tuberculosis    
  No (reference) 597 (90.5) 63 (9.5) 1.00
  Yes 43 (78.2) 12 (21.8) 2.71 (1.30–5.63)
 Attack of bronchitis    
  No (reference) 466 (91.6) 43 (8.4) 1.00
  Yes 180 (82.9) 37 (17.1) 2.22 (1.38–3.56)
 Ever had asthma    
  No (reference) 616 (89.3) 74 (10.7) 1.00
  Yes 122 (87.8) 17 (12.2) 1.12 (0.64–1.95)
Questionnaire ascertained conditions    
 Chronic Lung Diseaseb    
  No (reference) 554 (91.6) 51 (8.4) 1.00
  Yes 184 (82.1) 40 (17.9) 2.35 (1.51–3.64)
 SOB    
  No (reference) 367 (94.3) 22 (5.7) 1.00
  Yes 365 (84.1) 69 (15.9) 3.15 (1.92–5.18)
 Loud snoring    
  No (reference) 626 (89.9) 70 (10.1) 1.00
  Yes 110 (84.0) 21 (16.0) 1.68 (1.02–2.77)
Socio-economic Status    
 Money left over at end of the month    
  Some (reference) 188 (86.2) 30 (13.8) 1.00
  Just enough 171 (90.5) 18 (9.5) 0.64 (0.34–1.22)
  Not enough 340 (90.2) 37 (9.8) 0.65 (0.37–1.15)
 Annual household income    
  $20,000 and over (reference) 199 (91.7) 18 (8.3) 1.00
  $10,000–$19,999 106 (86.9) 16 (13.1) 1.58 (0.76–3.27)
  Less than $10,000 188 (85.8) 31 (14.2) 1.75 (0.88–3.47)
  Refusal/not stated 245 (90.4) 26 (9.6) 1.09 (0.54–2.19)
 Home need repairing    
  No (reference) 205 (89.5) 24 (10.5) 1.00
  Minor 188 (85.1) 33 (14.9) 1.51 (0.82–2.80)
  Major 188 (85.1) 28 (8.7) 0.81 (0.46–1.43)
 Home crowded status (person per room)    
  one or less person per room (reference) 188 (85.1) 52 (9.7) 1.00
  More than one person per room 215 (86.3) 34 (13.7) 1.44 (0.88-2.36)
  1. aRow percentages are presented
  2. b“Chronic Lung Disease” includes groups of chronic cough, chronic phlegm, chronic bronchitis, emphysema and chronic obstructive pulmonary disease