Table 4 Validation results of three binary logistic regression analyses with adjusted odds ratios (ORs) and 95% confidence intervals (CIs) of situational factors separately for each of distal-forearm fracture, hip fracture, and vertebral fracture, respectively, compared to the other types of fracture ^a

 Outdoors

1.00

1.00

1.00

 Indoors

0.56 (0.39, 0.80)

0.001

1.25 (0.90, 1.75)

0.187

1.43 (0.96, 2.13)

0.076

 Fainting

1.00

1.00

1.00

 Slipping

8.66 (3.81, 19.7)

< 0.001

0.73 (0.45, 1.17)

0.191

1.60 (0.89, 2.85)

0.114

 Tripping

2.74 (1.16, 6.52)

0.022

1.06 (0.64, 1.76)

0.820

1.53 (0.81, 2.89)

0.189

 Leg-weakness

1.79 (0.66, 4.88)

0.253

1.18 (0.75, 1.87)

0.477

0.85 (0.43, 1.68)

0.630

 Step-down

3.76 (1.66, 8.53)

0.002

1.16 (0.77, 1.75)

0.468

1.84 (1.08, 3.14)

0.025

 Forwards

1.00

1.00

1.00

 Backwards

0.46 (0.30, 0.69)

< 0.001

2.75 (1.79, 3.97)

< 0.001

1.70 (1.12, 2.57)

0.013

 Sideways

1.11 (0.74, 1.68)

0.615

4.63 (3.16, 6.78)

< 0.001

0.75 (0.46, 1.22)

0.239

Hitting an object during the fall

0.83 (0.44, 1.54)

0.546

0.29 (0.15, 0.56)

< 0.001

0.98 (0.47, 2.07)

0.965

Protective response during the fall

0.82 (0.49, 1.37)

0.451

0.61 (0.40, 0.93)

0.022

1.32 (0.76, 2.29)

0.323