Table 3 Results of the multinomial logistic regression analysis: adjusted odds ratios (ORs) and 95% confidence intervals (CIs) of situational factors for distal-forearm fracture, hip fracture, and vertebral fracture, respectively, compared to a soft-tissue injury ^a

 Outdoors

1.00

1.00

1.00

 Indoors

0.62 (0.42, 0.90)

0.012

1.28 (0.89, 1.83)

0.205

1.40 (0.91, 2.15)

0.111

 Fainting

1.00

1.00

1.00

 Slipping

11.0 (4.76, 25.4)

< 0.001

1.29 (0.77, 2.17)

0.335

2.42 (1.30, 4.50)

0.006

 Tripping

3.40 (1.42, 8.17)

0.006

1.35 (0.78, 2.34)

0.286

1.79 (0.91, 3.54)

0.094

 Leg-weakness

1.94 (0.70, 5.35)

0.202

1.27 (0.77, 2.07)

0.348

0.94 (0.46, 1.94)

0.870

 Step-down

4.95 (2.15, 11.4)

< 0.001

1.76 (1.13, 2.75)

0.012

2.53 (1.43, 4.48)

0.001

 Forwards

1.00

1.00

1.00

 Backwards

0.62 (0.41, 0.95)

0.027

3.16 (2.15, 4.64)

<  0.001

2.15 (1.39, 3.32)

0.001

 Sideways

1.73 (1.12, 2.67)

0.014

5.56 (3.67, 8.41)

<  0.001

1.49 (0.89, 2.51)

0.134

Hitting an object during the fall

0.67 (0.36, 1.26)

0.211

0.26 (0.13, 0.52)

<  0.001

0.75 (0.35, 1.60)

0.455

Protective response during the fall

0.72 (0.42, 1.25)

0.245

0.58 (0.36, 0.93)

0.022

0.98 (0.54, 1.79)

0.950