Medication Adherence and Coping Strategies in Patients with Rheumatoid Arthritis: A Cross-Sectional Study

Table 4

Factors associated with medication adherence.

Factor	Odds ratio	95% Confidence interval; (for the Odds/ExpB)
Sex
Male	1	Referent
Female	4.57	1.14 – 18.42
Age categories
<45 years	1	Referent
45-65 years	9.2	2.06 – 40.79
>65 years	6.93	1.17 – 40.87
Marital status
Single	1	Referent
Married	1.45	0.31 – 6.85
Divorced/living separated	3.01	0.49 – 18.53
Widowed	2.26	0.27 – 18.83
Monthly net income
< 1.000€ (1120$)	1	Referent
1.001–2000€ (1121 -2240$)	0.31	0.08 – 1.24
2001–3000€ (2241-3360$)	0.06	0.01 – 0.43
> 3000€ (>3361$)	0.49	0.05 – 4.84
Disease duration
>10 years	1	Referent
5-10 years	3.53	1.04 – 11.95
1-4 years	3.71	1.02 – 13.52
<1 year	2.50	0.30 – 21.29
Number of other medications
No other medications	1	Referent
1-2 other medications	1.78	0.56 – 5.66
3-4 other medications	0.22	0.37 – 1.27
>4 medications	1.55	0.34 – 7.22
Coping strategy (per point)
Depressive coping	1.06	0.89 – 1.27
Active coping	1.06	0.91 – 1.24
Diversion and self-encouragement	1.15	0.96 – 1.38
Religiousness	0.87	0.73 – 1.05
Minimizing problems	0.86	0.71 – 1.05

Odds Ratios of medication nonadherence for all participants. Odds were calculated with binary logistic regression and all variables mutually adjusted for the others.
means statistically significant at α=0.05 level.