Table 3 Multivariable logistic regression models for Norwegian GPs claiming reimbursement for minor surgery, major surgery and IUD-insertions in 2013

 Male (ref)

1

1

1

 Female

0.58 (0.45–0.74)

0.38(0.32–0.45)

6.28 (4.47–8.82)

  < =40 (ref)

1

1

1

 41–50

0.68 (0.46–1.02)

0.86(0.68–1.10)

1.17 (0.98–1.49)

 51–60

0.55 (0.38–0.81)

0.68(0.54–0.87)

1.10 (0.88–1.38)

  > 60

0.33 (0.22–0.48)

0.46(0.36–0.60)

0.92 (0.73–1.17)

  < 1000 (ref)

1

1

1

 1001–1200

0.97 (0.68–1.39)

1.21(0.97–1.52)

1.82 (1.42–2.39)

 1201–1500

0.92 (0.66–1.28)

1.44(1.15–1.79)

1.78 (1.39–2.28)

  > 1500

1.09 (0.73–1.62)

1.74(1.32–2.30)

2.46 (1.85–3.26)

  < 5000 (ref)

1

1

1

 5001–10,000

2.74 (1.50–5.01)

0.91(0.63–1.32)

1.41 (1.02–1.94)

 10.001–25.000

1.88(1.16–3.03)

0.84(0.60–1.17)

1.65 (1.23–2.21)

 25.001–100.000

1.24 (0.80–1.93)

0.55(0.40–0.76)

1.06 (0.80–1.41)

  > 100.000

0.65 (0.42–1.00)

0.39(0.28–0.54)

1.02 (0.76–1.37)