Table 6.

Coefficients derived from multivariable linear regression analysis

	Coefficient*	95% CI	P values
Q.2 Diagnosis
Non- haemophilia	Control	N/A	N/A
Haemophilia	− 0.22	− 0.25 to − 0.18	<0.001
Q.17 Severity of haemophilia
Mild-moderate	Control	N/A	N/A
Severe	− 0.003	− 0.03 to 0.03	0.83
Q.18 Current inhibitor
No	Control	N/A	N/A
Yes	− 0.04	− 0.14 to 0.05	0.34
Q.19 Number of bleeds in past year
0 bleed	Control	N/A	N/A
1 bleed	0.04	− 0.03 to 0.10	0.29
2–3 bleeds	− 0.06	− 0.11 to 0.001	0.06
4–7 bleeds	− 0.07	− 0.12 to − 0.01	0.02
8–10 bleeds	− 0.10	− 0.16 to − 0.03	0.002
11–15 bleeds	− 0.14	− 0.20 to 0.08	<0.001
16–30 bleeds	− 0.15	− 0.21 to − 0.09	<0.001
>30 bleeds	− 0.19	− 0.24 to − 0.13	<0.001
Q.20 Bleed in the past 2  weeks
No	Control	N/A	N/A
Yes	− 0.09	− 0.12 to − 0.07	<0.001
Q.25 Target joint
No	Control	N/A	N/A
Yes	− 0.09	− 0.13 to − 0.06	<0.001
Q.26 Spontaneous joint bleeding
No	Control	N/A	N/A
Yes	− 0.09	− 0.12 to − 0.05	<0.001
Q.27 having reduced range of motion
No	Control	N/A	N/A
Yes	− 0.14	− 0.19 to − 0.11	<0.001
Q.28 Life threatening bleed
No	Control	N/A	N/A
Yes	− 0.10	− 0.13 to − 0.06	<0.001

*Adjusted from age and sex.

N/A; not applicable.