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Table 3 Estimated probability of body part injuries: least square mean estimates, standard errors (SE), and pairwise comparisons

From: Injuries from falls by older adults in long-term care captured on video: Prevalence of impacts and injuries to body parts

Body part All falls, injury probability (SE) n = 2388 Body part impact Resident age Resident sex
Impact to body part, injury probability (SE) No impact to body part, injury probability (SE) pmpact Younger half, injury probability (SE) n = 1197 Older half, injury probability (SE) n = 1191 p Age Men, injury probability (SE) n = 1029 Women, injury probability (SE) n = 1359 psex
Head 0.22 (0.01)A n = 390 0.40 (0.01)A n = 333 0.05 (0.01)A n = 57  < .001 0.21 (0.01)A n = 179 0.23 (0.01)A n = 211 .032 0.22 (0.01)A n = 142 0.22 (0.01)A n = 248 .959
Torso/ shoulder 0.08 (0.01)B n = 220 0.11 (0.01)B n = 192 0.06 (0.01)A n = 28  < .001 0.08 (0.01)B n = 103 0.09 (0.01)B n = 117 .554 0.08 (0.01)B n = 91 0.09 (0.01)B n = 129 .732
Hip/ pelvis 0.04 (0.01)C n = 134 0.06 (0.01)D n = 131 0.02 (0.01)A n = 3 .101 0.04 (0.01)C n = 60 0.05 (0.01)C n = 74 .707 0.03 (0.01)D n = 45 0.05 (0.01)CD n = 89 .087
Knee/ shin 0.07 (0.01)B n = 151 0.11 (0.01)B n = 117 0.04 (0.01)A n = 34  < .001 0.07 (0.01)B n = 75 0.08 (0.01)B n = 76 .624 0.07 (0.01)BC n = 62 0.08 (0.01)BC n = 89 .629
Elbow/ forearm 0.07 (0.01)BC n = 174 0.09 (0.01)C n = 154 0.05 (0.01)A n = 20 .001 0.06 (0.01)B n = 81 0.07 (0.01)BC n = 93 .471 0.08 (0.01)B n = 90 0.06 (0.01)CD n = 84 .037
Hand/ wrist 0.05 (0.01)C n = 123 0.06 (0.01)D n = 97 0.04 (0.01)A n = 26 .088 0.04 (0.01)C n = 44 0.07 (0.01)BC n = 79 .016 0.05 (0.01)CD n = 53 0.05 (0.01)D n = 70 .832
  1. Superscripts by injury probability (SE) values indicate statistical comparisons between body parts for the column of interest. Body parts that differed significantly (p < .05) in injury probability are denoted by different letters; body parts where the probability of injury did not differ significantly (p > .05) are indicated by the same letter. The letter sequence is from highest to lowest least-square means