Table 5.

Stepwise linear regression analysis: Influences on mental and physical health.

	Physical health		Mental health
Variable+	regression coefficient	p	regression coefficient	P
Age	-0.142	0.000	---	---
Employment	0.145	0.000	---	---
Own expenses due to MG	-0.136	0.000	-0.147	0.000
Duration of MG	-0.078	0.007	---	---
Stability of MG	0.155	0.000	0.200	0.000
Walking problems	-0.233	0.000	-0.118	0.000
Swallowing problems	-0.075	0.033	-0.074	0.033
Muscle weakness at rest	-0.094	0.003	---	---
Muscle weakness after physical strain	-0.123	0.000	---	---
Neck weakness	-0.094	0.004	---	---
Chewing problems	-0.078	0.029	---	---
Miction disorders	-0.100	0.001	---	---
Defecation disorders	---	---	-0.088	0.006
Facial expression disorder	---	---	-0.082	0.013
Depression	-0.160	0.000	-0.407	0.000
Other immunological diseases	-0.065	0.026
Metabolic disorders	---	---	-0.089	0.004
Osteoporosis	---	---	-0.070	0.023
	Adjusted R2 = 0.609 intercept: 76,52		Adjusted R2 = 0.460 intercept: 69,78

--- Excluded variables.

⁺ Gender, size of household, size of area of residence, net income, handicapped person's pass, educational level, thymectomy, diplopia, ptosis, speech disorders, upper limb weakness, sexual disorders, cardiac diseases, joint problems, hormone disorders and malignancies were excluded in both calculations.