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Table 5 Subgroup analysis of home care clients with and without dizziness or lightheadedness in the HNHB health region, Jan 1-Mar 31, 2018

From: Associations with rates of falls among home care clients in Ontario, Canada: a population-based, cross-sectional study

  Has Dizziness or Lightheadedness (n = 2795) Does Not Have Dizziness or Lightheadedness (n = 7791)
IRR 95% CI P Value IRR 95% CI P Value
Demographic Characteristics
 Male 1.00 1.00 1.00 1.00 1.00 1.00
 Female 0.80 0.72, 0.90 <  0.001 0.84 0.78, 0.91 <  0.001
Age
  < 60 1.00 1.00 1.00 1.00 1.00 1.00
 60–69 0.85 0.68, 1.07 0.164 0.91 0.77, 1.07 0.243
 70–79 0.61 0.49, 0.76 <  0.001 0.78 0.67, 0.92 0.002
 80–89 0.56 0.45, 0.70 <  0.001 0.77 0.66, 0.90 0.001
 90–99 0.58 0.45, 0.74 <  0.001 0.75 0.63, 0.89 0.001
  ≥ 100 0.90 0.38, 2.40 0.824 0.50 0.30, 0.84 0.008
Marital Status
 Never Married 1.11 0.89, 1.39 0.365 0.88 0.76, 1.02 0.097
 Married 1.00 1.00 1.00 1.00 1.00 1.00
 Widowed 1.02 0.90, 1.16 0.744 0.96 0.88, 1.05 0.366
 Separated 1.24 0.91, 1.72 0.176 1.26 1.02, 1.55 0.296
 Divorced 1.05 0.87, 1.27 0.621 1.06 0.92, 1.22 0.386
 Other 1.59 1.11, 2.31 0.012 1.03 0.78, 1.37 0.842
Functional Characteristics
 Cognitive Skills for Daily Decision-Making
  Independent 1.00 1.00 1.00 1.00 1.00 1.00
  Modified Independence 1.12 0.97, 1.28 0.110 1.17 1.06, 1.29 0.001
  Minimally Impaired 1.23 1.05, 1.43 0.008 1.33 1.20, 1.48 <  0.001
  Moderately Impaired 1.28 1.04, 1.58 0.017 1.45 1.27, 1.65 <  0.001
  Severely Impaired 1.55 1.14, 2.10 0.004 1.16 0.99, 1.36 0.065
Activities of Daily Living Decline 1.41 1.25, 1.60 <  0.001 1.65 1.53, 1.79 <  0.001
 Primary Modes of Locomotion (Indoors)
  No Assistive Device 1.00 1.00 1.00 1.00 1.00 1.00
  Cane 1.38 1.15, 1.66 <  0.001 1.45 1.27, 1.67 <  0.001
  Walker/Crutch 1.46 1.25, 1.60 <  0.001 1.51 1.36, 1.67 <  0.001
  Scooter 2.12 1.00, 4.83 <  0.052 2.37 1.32, 4.43 0.004
  Wheelchair 1.62 1.32, 1.99 <  0.001 1.28 1.12, 1.45 <  0.001
  Activity Did Not Occur 0.54 0.27, 1.08 0.081 1.16 0.88, 1.54 0.282
 Stair Climbing
  Up and Down Stairs No Help 1.00 1.00 1.00 1.00 1.00 1.00
  Up and Down Stairs with Help 1.19 1.00, 1.41 0.057 1.22 1.08, 1.38 0.001
  Not Go Up and Down Stairs 1.20 1.03, 1.41 0.023 1.23 1.10, 1.37 <  0.001
Polypharmacy and Health Conditions
 Drugs
  0–2 1.00 1.00 1.00 1.00 1.00 1.00
  3–4 1.21 0.85, 1.72 0.292 1.19 0.99, 1.44 0.064
  5–7 1.18 0.86, 1.61 0.301 1.07 0.91, 1.26 0.435
   ≥ 8 1.23 0.91, 1.67 0.174 1.18 1.01, 1.39 0.038
Stroke (CVA) 0.88 0.77, 1.00 0.053 0.92 0.83, 1.01 0.069
Congestive Heart Failure (CHF) 0.92 0.79, 1.06 0.246 0.84 0.75, 0.94 0.002
Hypertension (HTN) 0.95 0.85, 1.07 0.428 1.00 0.93, 1.09 0.951
Irregular Pulse 1.08 0.95, 1.23 0.217 0.95 0.86, 1.05 0.314
Peripheral Vascular Disease (PVD) 0.96 0.81, 1.14 0.661 0.97 0.85, 1.10 0.608
Chest Pain/Pressure at Rest or on Exertion 1.01 0.84, 1.21 0.937 1.26 1.01, 1.57 0.037
Edema 0.95 0.86, 1.06 0.403 1.02 0.95, 0.86 0.566
Shortness of Breath 0.93 0.84, 1.04 0.217 1.26 1.01, 1.57 0.018
Alzheimer’s 0.91 0.70, 1.18 0.467 0.75 0.64, 0.87 <  0.001
Dementia 1.15 0.99, 1.34 0.071 0.96 0.87, 1.06 0.395
Multiple Sclerosis (MS) 1.18 0.77, 1.83 0.453 1.05 0.80, 1.40 0.175
Parkinsonism 1.22 0.98, 1.53 0.074 1.59 1.35, 1.88 <  0.001
Arthritis 0.97 0.87, 1.09 0.637 1.07 0.99, 1.15 0.090
Hip Fracture 0.89 0.68, 1.15 0.357 1.22 1.04, 1.44 0.014
  1. IRR Incident Rate Ratios, 95% CI 95% Confidence Interval