Table 4 Unconstrained-continuation ratio regression models for healthcare utilisation (primary, somatic specialist and mental specialist healthcare). Odds ratio (OR) and 95% confidence interval (CI) shown for the exposure variable health anxiety

Primary healthcare, N:

Unadjusted: n = 18,499,

Adj. morbidity: n = 18,249

Fully adjusted: n = 16,603

Non-use

–

–

–

1st level of use

1st vs non-use

1.07**

1.05–1.08

1.05**

1.03–1.07

1.07**

1.05–1.09

2nd level of use

2nd vs 1st level or lower

1.10**

1.08–1.11

1.07**

1.06–1.09

1.08**

1.06–1.10

3rd level of use

3rd vs 2nd level or lower

1.14**

1.12–1.15

1.10**

1.09–1.12

1.11**

1.09–1.13

4th level of use

4th vs 3rd level or lower

1.20**

1.18–1.21

1.15**

1.14–1.16

1.15**

1.14–1.17

Somatic specialist healthcare, N:

Unadjusted: n = 18,311,

Adj. morbidity: n = 18,073

Fully adjusted: n = 16,389

Non-use

–

–

–

1st level of use

1st vs non-use

1.06**

1.04–1.07

1.04**

1.03–1.06

1.05**

1.03–1.06

2nd level of use

2nd vs 1st level or lower

1.09**

1.08–1.11

1.07**

1.06–1.09

1.09**

1.07–1.10

3rd level of use

3rd vs 2nd level or lower

1.10**

1.08–1.12

1.07**

1.05–1.09

1.08**

1.06–1.11

4th level of use

4th vs 3rd level or lower

1.16**

1.14–1.17

1.13**

1.11–1.14

1.14**

1.12–1.16

Mental specialist healthcare, N:

Unadjusted: n = 18,158,

Adj. morbidity: n = 16,636

Fully adjusted: n = 15,142

Non-use

–

–

–

1st level of use

1st vs non-use

1.15**

1.12–1.19

1.10**

1.06–1.14

1.07**

1.03–1.12

2nd level of use

2nd vs 1st level or lower

1.13**

1.08–1.17

1.06*

1.02–1.12

1.06*

1.01–1.11

3rd level of use

3rd vs 2nd level or lower

1.15**

1.11–1.19

1.07*

1.02–1.12

1.05*

1.01–1.11

4th level of use

4th vs 3rd level or lower

1.20**

1.16–1.24

1.09**

1.05–1.14

1.07*

1.02–1.13