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Table 3 Average effects of the interventions on hip fractures per 100.000 person-years for the entire sample and various age and sex-specific groups

From: The impact of community-based interventions for the older population: a quasi-experimental study of a hip-fracture prevention program in Norway

Sample Effect measure Controls
Age group Sex DD CE IRR n
65+ years Both −14.3
(−98.8, 70.3)
−21.6
(− 149.3, 106.1)
0.99
(0.92, 1.06)
4
80+ years Both − 274.7
(− 595.2, 45.8)
− 135.8
(− 294.2, 22.7)
0.90
(0.80, 1.02)
1
65+ years Men − 131.0
(− 314.0, 52.1)
−90.7
(− 217.4, 36.0)
0.85
(0.66, 1.09)
1
80+ years Men − 222.8
(− 705.8, 260.2)
−39.7
(− 125.6, 46.3)
0.85
(0.66, 1.09)
3
65+ years Women −1.3
(− 138.3, 140.8)
−1.1
(− 118.1, 115.9)
1.0
(0.91, 1.09)
5
80+ years Women − 126.1
(− 422.2, 170)
−39.6
(− 132.5, 53.4)
0.96
(0.87, 1.06)
13
  1. Notes: *Significant at the 5%-level. DD = difference-in-differences estimate (in rate per 100.000 person-years), CE = cumulative effect (in number of hip fracture patients), IRR = incidence rate ratio effect. The number of controls to include in each analysis is determined via cross-validation (see text for details)