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Table 4 General characteristics of fall-related head injury by severity in the older adults

From: Characteristics of fall‐related head injury versus non‐head injury in the older adults

 

Odds Ratio

95 % Confidence Interval

P

Univariate logistic regression analysis

 Age group, years old

  60 ~ 69

1.0

  

  70 ~ 79

1.362

1.200-1.547

0.000

  ≥ 80

1.331

1.153–1.536

0.000

 Male, sex versus female

1.395

1.247–1.560

0.000

 Season of injury occurrence

  Winter

1.0

  

  Spring

0.946

0.811–1.105

0.486

  Summer

0.968

0.829–1.130

0.679

  Autumn

0.916

0.789–1.063

0.247

 Time of injury occurrence

  00:00–05:59

1.0

  

  06:00–11:59

0.923

0.768–1.109

0.392

  12:00–17:59

0.913

0.777–1.074

0.272

  18:00–23:59

0.780

0.662–0.919

0.003

 Location of injury occurrence

  Residential facility

1.0

  

  Medical facility

0.923

0.654–1.303

0.650

  Sports facility or work place

1.028

0.721–1.468

0.877

  Transportation area

0.648

0.571–0.736

0.000

  Public or commercial facility

0.887

0.733–1.074

0.219

  Other outdoor area

0.904

0.660–1.238

0.528

 Outdoor fall injury versus indoor fall injury

0.866

0.776–0.967

0.010

 Activity during injury occurrence

  Daily activity

1.0

  

  Paid work

1.247

0.875–1.778

0.222

  Unpaid work

0.793

0.579–1.087

0.149

  Sports or leisure activity

0.819

0.703–0.954

0.010

 Alcohol ingestion

0.825

0.708–0.961

0.014

 Mechanism of fall

  Others including fall over

1.0

  

  Fall from stairs

1.889

1.623–2.198

0.000

  Slip down on same level

1.339

1.183–1.517

0.000

 Non-slippery, condition of floor versus slippery

1.275

1.023–1.590

0.031

 Concrete, type of floor versus others

0.936

0.806–1.086

0.383

 Sloping floor versus flat

1.499

1.298–1.731

0.000

 Existing of obstacles on floor

1.456

1.248–1.697

0.000

Multivariate logistic regression analysis

 Age group, versus 60 ~ 69

  70 ~ 79

1.344

1.155–1.563

0.000

  ≥ 80

1.310

1.096-1.565-

0.003

 Male, sex versus female

1.626

1.414–1.869

0.000

 18:00–23:59, time of injury occurrence versus 00:00–05:59

0.799

0.656–0.973

0.025

 Transportation area, location of injury occurrence versus residential facility

0.581

0.470–0.719

0.000

 Indoor fall injury versus outdoor fall injury

1.258

1.046–1.514

0.015

 Unpaid work, activity during injury occurrence versus daily activity

0.648

0.452–0.930

0.018

 Mechanism of fall, versus others including fall over

  Fall from stairs

1.835

1.372–2.453

0.000

  Slip down on same level

1.547

1.321–1.812

0.000

 Non-slippery, condition of floor versus slippery

1.399

1.093–1.792

0.008

 Existing of obstacles on floor

1.298

1.061–1.588

0.011