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Table 2 Incremental change in suicide rates after Network establishment

From: The effectiveness of an Australian community suicide prevention networks program in preventing suicide: a controlled longitudinal study

 

IRR

95% CI

p

Time (linear)a

0.9925

0.9876 to 0.9975

0.003

Time (quadratic)b

1.0001

1.0000 to 1.0002

0.001

Site (Network vs. control)

1.14

1.00 to 1.30

0.052

Season (Quarter in yeard)

   

1st

0.99

0.94 to 1.04

0.640

2nd

0.91

0.87 to 0.96

0.001

3rd

0.96

0.91 to 1.01

0.092

Time after Network establishmentc

   

1st quarter

0.96

0.78 to 1.18

0.677

2nd quarter

0.96

0.78 to 1.18

0.701

3rd quarter

0.83

0.71 to 0.98

0.030

4th quarter

0.90

0.75 to 1.09

0.281

5th quarter onwards

0.94

0.87 to 1.01

0.091

  1. a. Measured in elapsed quarters since January 2001, power is 1
  2. b. Measured in elapsed quarters since January 2001, power is 2
  3. c. Before Network establishment is the reference category
  4. d. Quarter 4 is the reference category