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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)