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Table 4 Incidence rate ratios (IRR) of the number of triggered reminders by negative binomial regression models using a generalized estimation equation

From: Patient-specific computer-based decision support in primary healthcare—a randomized trial

 

Unadjusted

Adjustede

 

IRR (95% CI)

SEd

p-value

IRR (95% CI)

SEd

p-value

Indiv_MO12a

 Group

1.002 (0.895 – 1.121)

0.057

0.98

1.004 (0.903 – 1.116)

0.054

0.94

 Time

1.014 (1.001 – 1.023)

0.005

0.002

1.017 (1.008 – 1.026)

0.005

<0.001

 Time2

1.002 (1.001 – 1.003)

0.0003

<0.001

1.002 (1.001 – 1.003)

0.0003

<0.001

 Group × Time

1.001 (0.995 – 1.008)

0.003

0.73

1.002 (0.995 – 1.009)

0.003

0.56

Indiv_MO6b

 Group

1.011 (0.913 – 1.120)

0.053

0.84

1.008 (0.923 – 1.101)

0.045

0.86

 Time

1.038 (1.030 – 1.046)

0.004

<0.001

1.044 (1.036 – 1.052)

0.004

<0.001

 Group × Time

0.990 (0.980 – 1.001)

0.005

0.066

0.989 (0.978 – 0.9997)

0.005

0.044

Indiv_MO3c

 Group

0.990 (0.895 – 1.094)

0.051

0.84

1.013 (0.926 – 1.108)

0.046

0.77

 Time

1.036 (1.024 – 1.050)

0.007

<0.001

1.046 (1.031 – 1.062)

0.008

<0.001

 Group × Time

0.998 (0.980 – 1.017)

0.009

0.86

0.996 (0.975 – 1.018)

0.011

0.74

  1. aIndiv_MO12 for the study patients with 12 months’ individual follow-up using exchangeable working correlation structure.
  2. bIndiv_MO6 for the study patients with six months’ individual follow-up using exchangeable working correlation structure.
  3. cIndiv_MO3 for the study patients with three months’ individual follow-up using the auto-regressive (AR1) working correlation structure.
  4. dSemi-Robust Huber/White sandwich estimated standard errors.
  5. eAdjusted for age, gender, number of diagnoses and number of medications.