Table 8.

Multivariate logistic regression analysis on factors associated with experiencing side effects of the vaccine.

Model	Unstandardised Coefficients		Standardised Coefficients	p-value
	B	Std. Error	Beta
(Constant)	6.224	0.848		0.000
Age	−0.750	0.141	−0.204	<0.001
Gender	−0.266	0.214	−0.048	0.215
Hypertension	−0.101	0.121	−0.036	0.401
Diabetes mellitus	−0.392	0.239	−0.173	0.324
Vaccination	−0.038	0.163	−0.009	0.814
Rheumatoid arthritis	0.592	0.216	0.322	0.068
Non inflammatory/mechanical RMDs	0.543	0.094	0.327	0.059
Axial SpA	0.214	0.101	0.611	0.143
Vasculitis	0.094	0.032	0.021	0.856
SLE	0.153	0.045	0.043	0.766
Disease Activity at time of vaccination	−0.231	0.453	−0.238	0.496
Drug exposure	−0.043	0.022	−0.032	0.231
Steroid	0.674	0.119	0.491	0.623
Steroid dose	0.083	0.084	0.045	0.322
TNF- inhibitors	0.043	0.112	0.074	0.123
Methotrexate	0.327	0.054	0.192	0.871
Azathioprine	0.656	0.210	0.439	0.073
Hydroxychloroquine	0.385	0.134	0.346	0.306
Rituximab	0.270	0.097	0.231	0.198
Leflunomide	0.328	0.178	0.411	0.174
Mycophenolate	0.376	0.044	0.276	0.099
Sulfasalazine	0.402	0.361	0.402	0.219
Cyclophosphamide	0.199	0.472	0.338	0.111
Cyclosporine	0.112	0.365	0.322	0.067

RMDs: rheumatic and musculoskeletal diseases; SpA: spondyloarthritis; SLE: systemic lupus erythematosus.